/* roulang page: index */
:root{
  --brand-500:#0FB9A6;--brand-600:#0A9C8C;--brand-050:#E6F7F5;
  --accent-500:#FF7A45;--accent-600:#E85F2A;
  --bg-dark:#0B1418;--bg-dark-2:#12212A;
  --bg-page:#F7F8F8;--bg-card:#FFFFFF;--bg-read:#FBFAF8;
  --ink-900:#0D1518;--ink-700:#2A3439;--ink-500:#5B666D;--ink-300:#9AA4AA;
  --ink-invert:#F2F6F6;
  --line:#E4E8EA;--line-strong:#CFD8D9;
  --success:#17A673;--danger:#E5484D;--warn:#E8A33D;
  --r-sm:8px;--r-md:12px;--r-lg:18px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(13,21,24,.06);
  --sh-2:0 8px 24px rgba(13,21,24,.08);
  --sh-3:0 16px 40px rgba(13,21,24,.12);
  --ease:cubic-bezier(.2,.7,.3,1);--dur:180ms;
  --container:1200px;--gutter:24px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.75;
  color:var(--ink-700);background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(15,185,166,.35);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.num{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;font-weight:600;font-size:15px;
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-primary{background:var(--accent-500);color:#fff}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border:1px solid var(--line-strong);color:var(--ink-900);background:transparent}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-050)}
.btn-ghost{padding:0;height:auto;color:var(--brand-600);font-weight:600}
.btn-ghost:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.btn-sm{height:36px;padding:0 14px;font-size:14px;border-radius:9px}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-onDark.btn-outline{border-color:rgba(242,246,246,.32);color:var(--ink-invert)}
.btn-onDark.btn-outline:hover{background:rgba(15,185,166,.16);border-color:var(--brand-500);color:#fff}
.btn.is-done{background:var(--success)}
.btn.is-done:hover{background:var(--success)}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:22px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1}
.badge-live{background:var(--accent-500);color:#fff}
.badge-live .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:breathe 1.2s infinite}
.badge-soon{background:var(--brand-500);color:#fff}
.badge-end{background:#EEF1F2;color:var(--ink-300)}
.badge-replay{background:var(--brand-050);color:var(--brand-600)}
@keyframes breathe{0%,100%{opacity:1}50%{opacity:.55}}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-050);color:var(--brand-600);font-size:13px;font-weight:600;line-height:1;
}
.chip:hover{background:#d5f1ed}
.chip.is-on{background:var(--brand-500);color:#fff}
.chip-ghost{background:rgba(242,246,246,.08);color:rgba(242,246,246,.82)}
.chip-ghost:hover{background:rgba(15,185,166,.2);color:#fff}

/* ---------- 头部导航 ---------- */
.site-header{position:relative;z-index:60}
.brandbar{background:var(--bg-dark);border-bottom:1px solid rgba(242,246,246,.07)}
.brandbar-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-500),#0B8C80);color:#fff;flex:0 0 auto;
}
.brand-mark svg{width:19px;height:19px}
.brand-text{font-size:17px;font-weight:700;color:var(--ink-invert);white-space:nowrap}
.search{
  flex:1 1 auto;max-width:440px;display:flex;align-items:center;gap:6px;
  background:rgba(242,246,246,.07);border:1px solid rgba(242,246,246,.12);
  border-radius:10px;height:40px;padding:0 6px 0 14px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(15,185,166,.18)}
.search input{flex:1;background:none;border:0;color:var(--ink-invert);font-size:14px;outline:none;min-width:0}
.search input::placeholder{color:rgba(242,246,246,.45)}
.search button{width:34px;height:30px;border-radius:8px;display:grid;place-items:center;color:rgba(242,246,246,.72)}
.search button:hover{background:rgba(15,185,166,.2);color:#fff}
.search svg{width:17px;height:17px}
.hotwords{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.brandbar-cta{flex:0 0 auto}
.nav-toggle{display:none;width:40px;height:38px;border-radius:10px;border:1px solid rgba(242,246,246,.16);color:var(--ink-invert);place-items:center}
.nav-toggle:hover{background:rgba(15,185,166,.16)}
.nav-toggle svg{width:20px;height:20px}

.navbar{position:sticky;top:0;z-index:60;background:rgba(11,20,24,.98);border-bottom:1px solid rgba(242,246,246,.07);transition:box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease)}
.navbar.is-stuck{background:rgba(11,20,24,.96);box-shadow:var(--sh-2);backdrop-filter:blur(6px)}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px;transition:height var(--dur) var(--ease)}
.navbar.is-stuck .navbar-inner{height:52px}
.channels{display:flex;align-items:center;gap:28px}
.channel{
  position:relative;display:inline-flex;align-items:center;height:56px;
  font-size:15px;color:rgba(242,246,246,.72);font-weight:500;
}
.navbar.is-stuck .channel{height:52px}
.channel::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px 3px 0 0;
  background:transparent;transition:background-color var(--dur) var(--ease);
}
.channel:hover{color:#fff}
.channel.is-active{color:#fff;font-weight:700}
.channel.is-active::after{background:var(--brand-500)}
.navbar-actions{display:flex;align-items:center;gap:10px}

.drawer{display:none;background:var(--bg-dark-2);border-bottom:1px solid rgba(242,246,246,.08)}
.drawer.is-open{display:block}
.drawer-inner{padding:16px var(--gutter) 22px;display:flex;flex-direction:column;gap:14px}
.drawer-group-title{font-size:12px;letter-spacing:1px;color:rgba(242,246,246,.42)}
.drawer-links{display:flex;flex-wrap:wrap;gap:10px}
.drawer-links a{color:rgba(242,246,246,.85);font-size:15px;padding:8px 12px;border-radius:9px;background:rgba(242,246,246,.06)}
.drawer-links a:hover{background:rgba(15,185,166,.2);color:#fff}

/* ---------- Hero ---------- */
.hero{
  position:relative;background:var(--bg-dark) url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  padding:64px 0 56px;overflow:hidden;
}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,20,24,.94) 0%,rgba(11,20,24,.86) 48%,rgba(11,20,24,.72) 100%)}
.hero-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.hero-copy{grid-column:1/-1;margin-bottom:8px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand-500);font-weight:600;margin-bottom:14px}
.hero-eyebrow span{display:inline-block;width:22px;height:2px;background:var(--brand-500);border-radius:2px}
.hero h1{
  font-size:clamp(28px,4.2vw,44px);line-height:1.3;color:#fff;margin-bottom:16px;font-weight:700;
}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(242,246,246,.76);max-width:760px}

.live-cover{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3);aspect-ratio:16/9;background:var(--bg-dark-2)}
.live-cover img{width:100%;height:100%;object-fit:cover}
.live-cover .badge{position:absolute;top:16px;left:16px;z-index:2}
.live-mask{
  position:absolute;left:0;right:0;bottom:0;padding:56px 24px 20px;
  background:linear-gradient(to top,rgba(11,20,24,.95),rgba(11,20,24,.55) 55%,transparent);
}
.live-mask h2{color:#fff;font-size:20px;line-height:1.45;margin-bottom:6px}
.live-mask p{font-size:14px;color:rgba(242,246,246,.72)}
.live-mask .replay{position:absolute;right:24px;bottom:20px;font-size:14px;font-weight:600;color:var(--brand-500);display:inline-flex;align-items:center;gap:6px}
.live-mask .replay:hover{color:#fff}

.countdown-card{
  background:var(--bg-dark-2);border:1px solid rgba(242,246,246,.1);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-3);
}
.countdown-card .label{font-size:12px;letter-spacing:1px;color:rgba(242,246,246,.5);margin-bottom:16px}
.cd-row{display:flex;align-items:flex-end;gap:8px;margin-bottom:8px}
.cd-cell{flex:1 1 0;text-align:center}
.cd-num{
  display:block;background:rgba(255,255,255,.08);border-radius:12px;padding:10px 0;
  font-size:clamp(26px,3.4vw,40px);font-weight:700;color:var(--brand-500);line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.cd-num.is-zero{color:var(--ink-300)}
.cd-name{display:block;margin-top:6px;font-size:12px;color:rgba(242,246,246,.5)}
.cd-card h3{color:#fff;font-size:17px;margin:14px 0 6px}
.cd-card .tip{font-size:13px;color:rgba(242,246,246,.6);line-height:1.7;margin-bottom:18px}
.cd-actions{display:flex;flex-direction:column;gap:10px}
.form-note{font-size:12px;color:rgba(242,246,246,.45);margin-top:10px;line-height:1.6}
.form-error{font-size:13px;color:var(--danger);margin-top:8px;display:none}
.form-error.is-show{display:block}

.points{grid-column:1/-1;margin-top:34px;border-top:1px solid rgba(242,246,246,.1);padding-top:8px}
.points-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.point{display:flex;gap:18px;padding:18px 0;border-bottom:1px solid rgba(242,246,246,.08)}
.point-no{font-size:24px;font-weight:700;color:rgba(15,185,166,.42);font-variant-numeric:tabular-nums;line-height:1.3;flex:0 0 auto}
.point h3{color:#fff;font-size:16px;margin-bottom:4px}
.point p{font-size:14px;color:rgba(242,246,246,.6);line-height:1.7}

/* ---------- 板块通用 ---------- */
.section{padding:64px 0}
.section-tight{padding:48px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:24px;line-height:1.4}
.section-head .desc{font-size:15px;color:var(--ink-500);margin-top:8px;max-width:640px}
.section-head .more{font-size:14px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.section-head .more:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:4px}

/* ---------- 频道快捷入口 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.channel-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 16px;box-shadow:var(--sh-1);display:block;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.channel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(15,185,166,.35)}
.channel-icon{
  width:38px;height:38px;border-radius:10px;background:var(--brand-050);color:var(--brand-600);
  display:grid;place-items:center;margin-bottom:12px;transition:background-color var(--dur) var(--ease);
}
.channel-card:hover .channel-icon{background:rgba(15,185,166,.16)}
.channel-icon svg{width:19px;height:19px}
.channel-card h3{font-size:15px;margin-bottom:4px}
.channel-card:hover h3{color:var(--brand-600)}
.channel-card p{font-size:13px;color:var(--ink-500);line-height:1.6}

/* ---------- 资讯列表 ---------- */
.news-layout{display:grid;grid-template-columns:8fr 4fr;gap:32px;align-items:start}
.headline-card{
  display:grid;grid-template-columns:240px 1fr;gap:20px;background:var(--bg-card);
  border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.headline-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(15,185,166,.35)}
.headline-card .thumb{aspect-ratio:16/10;border-radius:var(--r-md);overflow:hidden;background:var(--brand-050)}
.headline-card .thumb img{width:100%;height:100%;object-fit:cover}
.headline-card h3{font-size:19px;line-height:1.5;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.headline-card:hover h3{color:var(--brand-600)}
.headline-card p{font-size:14px;color:var(--ink-500);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-300);margin-top:12px}

.row-list{margin-top:16px;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden}
.row-card{
  display:grid;grid-template-columns:120px 1fr auto;gap:16px;align-items:center;
  padding:14px 18px;border-bottom:1px solid var(--line);
  transition:background-color var(--dur) var(--ease);
}
.row-card:last-child{border-bottom:0}
.row-card:hover{background:#F3F6F6}
.row-card .thumb{aspect-ratio:3/2;border-radius:var(--r-sm);overflow:hidden;background:var(--brand-050)}
.row-card .thumb img{width:100%;height:100%;object-fit:cover}
.row-card h3{font-size:16px;font-weight:600;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row-card:hover h3{color:var(--brand-600)}
.row-card p{font-size:13.5px;color:var(--ink-500);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:4px}
.row-card .time{font-size:13px;color:var(--ink-300);white-space:nowrap}
.empty-state{
  background:var(--bg-card);border:1px dashed var(--line-strong);border-radius:var(--r-md);
  padding:48px 24px;text-align:center;
}
.empty-state svg{width:56px;height:56px;color:var(--line-strong);margin:0 auto 14px}
.empty-state p{color:var(--ink-500);margin-bottom:16px}

/* ---------- 侧栏 ---------- */
.side-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1);margin-bottom:16px}
.side-card h3{font-size:16px;margin-bottom:14px}
.rank li{display:flex;gap:12px;align-items:center;padding:9px 6px;border-radius:8px;transition:background-color var(--dur) var(--ease)}
.rank li:hover{background:var(--bg-page)}
.rank .no{font-size:18px;font-weight:700;color:var(--ink-300);font-variant-numeric:tabular-nums;flex:0 0 24px}
.rank li:nth-child(-n+3) .no{color:var(--accent-500)}
.rank .txt{font-size:14px;color:var(--ink-700);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank li:hover .txt{color:var(--brand-600)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.subscribe-form{display:flex;align-items:center;gap:0;border:1px solid var(--line-strong);border-radius:var(--r-pill);padding:3px 3px 3px 14px;background:#fff;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.subscribe-form:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(15,185,166,.18)}
.subscribe-form input{flex:1;border:0;outline:none;font-size:14px;min-width:0;background:none}
.subscribe-form button{height:36px;padding:0 16px;border-radius:var(--r-pill);background:var(--accent-500);color:#fff;font-size:14px;font-weight:600}
.subscribe-form button:hover{background:var(--accent-600)}
.subscribe-form button.is-done{background:var(--success)}
.side-note{font-size:12px;color:var(--ink-300);margin-top:10px;line-height:1.6}

/* ---------- 亮点区 一大两小 ---------- */
.highlight{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-1)}
.highlight-grid{display:grid;grid-template-columns:6fr 6fr;gap:24px}
.big-card{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:320px;display:flex;flex-direction:column;justify-content:flex-end}
.big-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.big-card .overlay{position:relative;padding:28px;background:linear-gradient(to top,rgba(11,20,24,.94),rgba(11,20,24,.35) 70%,transparent)}
.big-card h3{color:#fff;font-size:21px;margin-bottom:8px;line-height:1.45}
.big-card p{color:rgba(242,246,246,.78);font-size:14.5px;line-height:1.75;margin-bottom:18px}
.strip-col{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.strip-card{
  display:flex;gap:16px;align-items:flex-start;background:var(--bg-page);
  border:1px solid var(--line);border-radius:var(--r-md);padding:22px;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.strip-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(15,185,166,.35)}
.strip-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-050);color:var(--brand-600);display:grid;place-items:center;flex:0 0 auto}
.strip-icon svg{width:22px;height:22px}
.strip-card h3{font-size:17px;margin-bottom:6px}
.strip-card p{font-size:14px;color:var(--ink-500);line-height:1.75}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1)}
.stat .value{font-size:30px;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums;line-height:1.2}
.stat .unit{font-size:15px;font-weight:600;color:var(--brand-600);margin-left:2px}
.stat .name{font-size:14px;color:var(--ink-700);margin-top:8px;font-weight:600}
.stat .sub{font-size:13px;color:var(--ink-300);margin-top:4px}

/* ---------- 反馈 / 评分 ---------- */
.voice-grid{display:grid;grid-template-columns:5fr 7fr;gap:28px;align-items:center}
.score-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1)}
.score-num{font-size:46px;font-weight:700;color:var(--ink-900);line-height:1;font-variant-numeric:tabular-nums}
.score-bar{height:8px;border-radius:var(--r-pill);background:var(--line);margin:16px 0 10px;overflow:hidden}
.score-bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--brand-500),var(--accent-500));border-radius:var(--r-pill);transition:width 900ms var(--ease)}
.score-card .cap{font-size:14px;color:var(--ink-500);line-height:1.75}
.quote-list{display:grid;gap:14px}
.quote{
  background:var(--bg-card);border:1px solid var(--line);border-left:3px solid var(--brand-500);
  border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--sh-1);
}
.quote p{font-size:15px;line-height:1.85;color:var(--ink-700)}
.quote .who{margin-top:10px;font-size:13px;color:var(--ink-300)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);
}
.faq-q:hover{color:var(--brand-600)}
.faq-q .icon{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;border:1px solid var(--line-strong);
  display:grid;place-items:center;color:var(--ink-500);transition:transform 240ms var(--ease),background-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.faq-item.is-open .faq-q .icon{transform:rotate(45deg);background:var(--brand-500);border-color:var(--brand-500);color:#fff}
.faq-q svg{width:14px;height:14px}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms ease}
.faq-a p{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--ink-500)}

/* ---------- CTA ---------- */
.cta{
  position:relative;background:var(--bg-dark) url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  overflow:hidden;
}
.cta::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,20,24,.95),rgba(11,20,24,.78))}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:52px 0 52px 26px}
.cta-inner::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:4px;border-radius:4px;background:var(--brand-500)}
.cta h2{color:#fff;font-size:24px;margin-bottom:8px;line-height:1.45}
.cta p{color:rgba(242,246,246,.72);font-size:15px}
.cta-actions{display:flex;gap:12px;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-dark);color:rgba(242,246,246,.7);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:9px}
.footer-brand strong{color:#fff;font-size:16px}
.footer-desc{font-size:14px;line-height:1.8;margin-bottom:18px;max-width:320px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(242,246,246,.68)}
.footer-links a:hover{color:var(--brand-500)}
.footer-form{display:flex;align-items:center;border:1px solid rgba(242,246,246,.16);border-radius:var(--r-pill);padding:3px 3px 3px 14px;background:rgba(242,246,246,.05)}
.footer-form:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(15,185,166,.18)}
.footer-form input{flex:1;border:0;background:none;color:#fff;font-size:14px;outline:none;min-width:0}
.footer-form input::placeholder{color:rgba(242,246,246,.4)}
.footer-form button{height:34px;padding:0 15px;border-radius:var(--r-pill);background:var(--accent-500);color:#fff;font-size:14px;font-weight:600}
.footer-form button:hover{background:var(--accent-600)}
.footer-form button.is-done{background:var(--success)}
.footer-bottom{
  border-top:1px solid rgba(242,246,246,.1);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px;color:rgba(242,246,246,.5);
}
.to-top{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(15,185,166,.5);color:var(--brand-500);
  display:grid;place-items:center;transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.to-top:hover{background:var(--brand-500);color:#fff}
.to-top svg{width:16px;height:16px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1100px}
  .channel-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  .search{display:none}
  .hotwords{display:none}
  .hero-inner{grid-template-columns:1fr;gap:26px}
  .points-grid{grid-template-columns:1fr}
  .news-layout{grid-template-columns:1fr;gap:24px}
  .highlight-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .voice-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .headline-card{grid-template-columns:200px 1fr}
}
@media (max-width:767px){
  :root{--gutter:16px}
  .channels{display:none}
  .navbar-actions .btn{display:none}
  .nav-toggle{display:grid}
  .brandbar-inner{gap:12px}
  .brand-text{font-size:15px}
  .brandbar-cta{display:none}
  .section{padding:44px 0}
  .section-tight{padding:36px 0}
  .hero{padding:40px 0 36px}
  .hero-sub{font-size:15.5px}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .headline-card{grid-template-columns:1fr;padding:16px}
  .row-card{grid-template-columns:84px 1fr;gap:12px;padding:14px}
  .row-card .time{display:none}
  .row-card p{display:none}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:40px 0 40px 20px}
  .cta h2{font-size:20px}
  .cta-actions{flex-wrap:wrap}
  .stats{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:520px){
  .channel-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr}
  .cd-num{font-size:26px}
  .headline-card h3{font-size:17px}
  .btn{width:100%}
  .cta-actions{width:100%}
  .navbar-actions{display:none}
}

/* roulang page: article */
/* ============================================================
   设计令牌
   ============================================================ */
:root{
  --brand-500:#0FB9A6;
  --brand-600:#0A9C8C;
  --brand-700:#087F73;
  --brand-050:#E6F7F5;
  --accent-500:#FF7A45;
  --accent-600:#E85F2A;
  --bg-dark:#0B1418;
  --bg-dark-2:#12212A;
  --bg-dark-3:#1A2C36;
  --bg-page:#F7F8F8;
  --bg-card:#FFFFFF;
  --bg-read:#FBFAF8;
  --ink-900:#0D1518;
  --ink-700:#2A3439;
  --ink-500:#5B666D;
  --ink-300:#9AA4AA;
  --paper:#F2F6F6;
  --line:#E4E8EA;
  --line-strong:#CFD8D9;
  --success:#17A673;
  --danger:#E5484D;
  --warn:#E8A33D;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,21,24,.06);
  --sh-2:0 8px 24px rgba(13,21,24,.08);
  --sh-3:0 16px 40px rgba(13,21,24,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:180ms;
  --container:1200px;
  --gutter:24px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ============================================================
   基础重置
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink-900);font-weight:700;line-height:1.4;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease),opacity var(--dur) var(--ease);}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;}
input{font-family:inherit;font-size:inherit;}
svg{display:block;}
:focus-visible{outline:3px solid rgba(15,185,166,.35);outline-offset:2px;border-radius:6px;}
.tabular{font-variant-numeric:tabular-nums;}

/* ============================================================
   容器与工具类
   ============================================================ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--gutter);
}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
.clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}

/* ============================================================
   头部：品牌行 + 频道行
   ============================================================ */
.site-header{position:relative;z-index:60;}
.topbar{background:var(--bg-dark);border-bottom:1px solid rgba(242,246,246,.08);}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:64px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(140deg,var(--brand-500),var(--brand-700));
  color:#fff;
  box-shadow:0 6px 16px rgba(15,185,166,.32);
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{
  font-size:18px;
  font-weight:700;
  letter-spacing:.2px;
  color:var(--paper);
  white-space:nowrap;
}
.brand-text em{font-style:normal;color:var(--brand-500);}
.brand:hover .brand-text{color:#fff;}

.search-box{
  position:relative;
  flex:1 1 auto;
  max-width:460px;
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  border-radius:10px;
  background:rgba(242,246,246,.07);
  border:1px solid rgba(242,246,246,.12);
  transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.search-box:focus-within{
  border-color:var(--brand-500);
  background:rgba(242,246,246,.11);
  box-shadow:0 0 0 3px rgba(15,185,166,.18);
}
.search-box svg{width:17px;height:17px;color:var(--ink-300);flex:0 0 auto;}
.search-box input{
  flex:1 1 auto;
  border:0;background:transparent;outline:none;
  color:var(--paper);
  font-size:14px;
  height:100%;
}
.search-box input::placeholder{color:rgba(242,246,246,.42);}

.hot-links{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.hot-links a{
  font-size:13px;
  color:rgba(242,246,246,.66);
  padding:5px 11px;
  border-radius:var(--r-pill);
  border:1px solid rgba(242,246,246,.14);
  white-space:nowrap;
}
.hot-links a:hover{
  color:#fff;
  border-color:rgba(15,185,166,.6);
  background:rgba(15,185,166,.16);
}

.navbar{
  position:sticky;
  top:0;
  z-index:70;
  background:rgba(11,20,24,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid rgba(242,246,246,.07);
  transition:box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.navbar.is-stuck{box-shadow:var(--sh-2);background:rgba(11,20,24,.98);}
.navbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:56px;
  transition:height var(--dur) var(--ease);
}
.navbar.is-stuck .navbar-inner{height:52px;}
.channels{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channels::-webkit-scrollbar{display:none;}
.channel{
  position:relative;
  flex:0 0 auto;
  font-size:15px;
  color:rgba(242,246,246,.72);
  padding:16px 0;
  white-space:nowrap;
}
.channel::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:8px;
  height:3px;
  border-radius:3px;
  background:var(--brand-500);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform var(--dur) var(--ease);
}
.channel:hover{color:#fff;}
.channel:hover::after{transform:scaleX(1);}
.channel.is-active{color:#fff;font-weight:700;}
.channel.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:10px;
  color:rgba(242,246,246,.72);
  border:1px solid rgba(242,246,246,.14);
}
.icon-btn:hover{color:#fff;border-color:rgba(15,185,166,.6);background:rgba(15,185,166,.14);}
.icon-btn svg{width:17px;height:17px;}
.pill-btn{
  height:34px;
  display:inline-flex;align-items:center;gap:6px;
  padding:0 16px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  color:#04201C;
  background:var(--brand-500);
  white-space:nowrap;
}
.pill-btn:hover{background:#22CBB8;transform:translateY(-1px);box-shadow:0 8px 18px rgba(15,185,166,.32);}
.menu-toggle{
  display:none;
  width:40px;height:40px;
  place-items:center;
  border-radius:10px;
  color:var(--paper);
  border:1px solid rgba(242,246,246,.16);
}
.menu-toggle svg{width:20px;height:20px;}

/* 移动抽屉 */
.drawer{
  display:none;
  background:var(--bg-dark-2);
  border-top:1px solid rgba(242,246,246,.08);
  padding:14px 0 20px;
}
.drawer.is-open{display:block;}
.drawer-group{margin-bottom:18px;}
.drawer-group h4{
  font-size:12px;
  letter-spacing:.08em;
  color:rgba(242,246,246,.42);
  font-weight:600;
  margin-bottom:10px;
}
.drawer-links{display:flex;flex-wrap:wrap;gap:10px;}
.drawer-links a{
  font-size:14px;
  color:rgba(242,246,246,.8);
  padding:8px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(242,246,246,.14);
}
.drawer-links a.is-active{background:var(--brand-500);border-color:var(--brand-500);color:#04201C;font-weight:600;}

/* ============================================================
   面包屑
   ============================================================ */
.crumb-bar{background:var(--bg-card);border-bottom:1px solid var(--line);}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--ink-300);
  padding:14px 0;
}
.crumb a{color:var(--ink-500);}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{color:var(--line-strong);}
.crumb .current{color:var(--brand-600);font-weight:600;}

/* ============================================================
   文章头部
   ============================================================ */
.article-head{
  background:
    radial-gradient(1100px 320px at 12% -40%, rgba(15,185,166,.10), transparent 62%),
    var(--bg-read);
  border-bottom:1px solid var(--line);
  padding:40px 0 34px;
}
.article-head .kicker{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--brand-600);
  background:var(--brand-050);
  border-radius:var(--r-pill);
  padding:5px 12px;
  margin-bottom:16px;
}
.article-head .kicker svg{width:13px;height:13px;}
.article-title{
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.4;
  letter-spacing:.2px;
  max-width:900px;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
  font-size:13px;
  color:var(--ink-300);
}
.article-meta .chip{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--brand-050);
  color:var(--brand-600);
  font-weight:600;
  font-size:12px;
}
.article-meta .dot{color:var(--line-strong);}

/* ============================================================
   正文 + 侧栏布局
   ============================================================ */
.layout{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:40px;
  padding:48px 0 64px;
  align-items:start;
}
.article-body{
  background:var(--bg-read);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:38px 44px 44px;
  max-width:820px;
  font-size:17px;
  line-height:1.9;
  color:var(--ink-700);
}
.article-body > * + *{margin-top:20px;}
.article-body p{margin:0;font-size:17px;line-height:1.9;color:var(--ink-700);}
.article-body h2{
  position:relative;
  font-size:22px;
  line-height:1.45;
  font-weight:700;
  color:var(--ink-900);
  margin:40px 0 0;
  padding-left:14px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:3px;
  background:var(--brand-500);
}
.article-body h3{
  font-size:18px;
  font-weight:600;
  color:var(--ink-900);
  margin:28px 0 0;
}
.article-body ul,.article-body ol{padding-left:0;margin:0;}
.article-body li{
  position:relative;
  padding-left:20px;
  line-height:1.85;
  color:var(--ink-700);
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:4px;top:13px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand-500);
}
.article-body ol{counter-reset:oli;}
.article-body ol li{counter-increment:oli;}
.article-body ol li::before{
  content:counter(oli);
  position:absolute;
  left:0;top:2px;
  font-size:13px;
  font-weight:700;
  color:var(--brand-600);
}
.article-body li + li{margin-top:8px;}
.article-body blockquote{
  margin:0;
  padding:16px 20px;
  border-left:3px solid var(--brand-500);
  background:rgba(15,185,166,.05);
  border-radius:0 var(--r-md) var(--r-md) 0;
  font-size:16px;
  color:var(--ink-500);
  line-height:1.85;
}
.article-body img{
  width:100%;
  height:auto;
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
}
.article-body figure{margin:0;}
.article-body figcaption{
  text-align:center;
  font-size:13px;
  color:var(--ink-300);
  margin-top:10px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
  border:0;
  overflow:hidden;
  border-radius:var(--r-md);
}
.article-body thead th{
  background:rgba(15,185,166,.08);
  color:var(--ink-900);
  font-weight:600;
  text-align:left;
  padding:12px 14px;
  border:0;
}
.article-body tbody td{
  padding:12px 14px;
  border:0;
  border-top:1px solid var(--line);
  color:var(--ink-700);
}
.article-body tbody tr:nth-child(even) td{background:rgba(247,248,248,.72);}
.article-body a{
  color:var(--brand-600);
  border-bottom:1px solid rgba(15,185,166,.35);
}
.article-body a:hover{color:var(--brand-500);border-bottom-color:var(--brand-500);}
.article-body strong{color:var(--ink-900);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:28px 0;}

/* 空态 */
.empty-state{
  text-align:center;
  padding:56px 20px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-lg);
  background:var(--bg-card);
}
.empty-state .icon{
  width:88px;height:88px;
  margin:0 auto 18px;
  display:grid;place-items:center;
  border-radius:50%;
  background:var(--brand-050);
  color:var(--brand-600);
}
.empty-state .icon svg{width:38px;height:38px;}
.empty-state h3{font-size:19px;margin-bottom:8px;}
.empty-state p{font-size:15px;color:var(--ink-500);margin-bottom:20px;}

/* 标签行 */
.tag-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.tag-row .label{font-size:13px;color:var(--ink-300);}
.tag{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--brand-050);
  color:var(--brand-600);
  font-size:13px;
  font-weight:600;
}
.tag:hover{background:#D2F0EC;}

/* 侧栏 */
.sidebar{position:sticky;top:80px;display:grid;gap:16px;}
.side-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px;
  box-shadow:var(--sh-1);
}
.side-card h3{
  font-size:15px;
  font-weight:700;
  color:var(--ink-900);
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3 svg{width:16px;height:16px;color:var(--brand-500);}
.toc-list{display:grid;gap:2px;}
.toc-list a{
  display:block;
  font-size:14px;
  color:var(--ink-500);
  padding:7px 10px;
  border-radius:var(--r-sm);
  border-left:2px solid transparent;
  line-height:1.6;
}
.toc-list a:hover{background:var(--bg-page);color:var(--brand-600);}
.toc-list a.is-current{
  color:var(--brand-600);
  font-weight:600;
  border-left-color:var(--brand-500);
  background:var(--brand-050);
}
.toc-list a.sub{padding-left:22px;font-size:13px;}
.side-note{font-size:12px;color:var(--ink-300);line-height:1.7;}
.mini-list{display:grid;gap:12px;}
.mini-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:4px;
  border-radius:var(--r-sm);
  transition:background-color var(--dur) var(--ease);
}
.mini-item:hover{background:var(--bg-page);}
.mini-thumb{
  width:74px;height:52px;
  flex:0 0 auto;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:var(--brand-050);
}
.mini-thumb img{width:100%;height:100%;object-fit:cover;}
.mini-item h4{
  font-size:14px;
  font-weight:600;
  line-height:1.55;
  color:var(--ink-900);
}
.mini-item:hover h4{color:var(--brand-600);}
.mini-item time{display:block;font-size:12px;color:var(--ink-300);margin-top:4px;}

/* ============================================================
   相关推荐
   ============================================================ */
.related{margin-top:8px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:22px;
}
.section-head h2{
  font-size:22px;
  font-weight:700;
}
.section-head p{font-size:14px;color:var(--ink-500);margin-top:6px;}
.related-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(15,185,166,.35);}
.card:hover h3{color:var(--brand-600);}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-050);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .card-cover img{transform:scale(1.04);}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-body h3{font-size:17px;font-weight:600;line-height:1.55;}
.card-body p{font-size:14px;color:var(--ink-500);line-height:1.7;}
.card-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-300);margin-top:auto;}
.card-meta .chip{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;
  border-radius:var(--r-pill);background:var(--brand-050);color:var(--brand-600);font-weight:600;
}
.related-grid .card:first-child{grid-column:span 2;flex-direction:row;}
.related-grid .card:first-child .card-cover{width:46%;aspect-ratio:auto;min-height:220px;}
.related-grid .card:first-child .card-body{padding:24px 26px;justify-content:center;}
.related-grid .card:first-child h3{font-size:20px;}

/* 底部分页导航 */
.post-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
  margin-top:32px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.post-nav .links{display:flex;gap:22px;flex-wrap:wrap;}
.post-nav .links a{
  font-size:14px;
  color:var(--ink-500);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.post-nav .links a:hover{color:var(--brand-600);border-bottom-color:var(--brand-500);}

/* ============================================================
   按钮
   ============================================================ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:10px;
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn svg{width:16px;height:16px;}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 6px 16px rgba(255,122,69,.28);}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border:1px solid var(--line-strong);color:var(--ink-900);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-050);}
.btn-sm{height:36px;padding:0 16px;font-size:13px;border-radius:9px;}
.btn-block{width:100%;}

/* ============================================================
   CTA 通栏
   ============================================================ */
.cta-band{
  position:relative;
  background:var(--bg-dark);
  border-radius:var(--r-lg);
  overflow:hidden;
  padding:40px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  margin:8px 0 64px;
}
.cta-band::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:6px;
  background:linear-gradient(180deg,var(--brand-500),var(--brand-700));
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-80px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(15,185,166,.22),transparent 68%);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(19px,2.2vw,24px);line-height:1.5;}
.cta-band p{color:rgba(242,246,246,.66);font-size:14px;margin-top:10px;max-width:560px;}
.cta-band .btn{position:relative;z-index:1;flex:0 0 auto;}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  background:var(--bg-dark);
  color:rgba(242,246,246,.72);
  padding:56px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:44px;
}
.footer{min-width:0;}
.footer h4{
  font-size:15px;
  color:#fff;
  font-weight:600;
  margin-bottom:16px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px;}
.footer-brand .brand-mark svg{width:16px;height:16px;}
.footer-brand strong{font-size:17px;color:#fff;font-weight:700;}
.footer-desc{font-size:13px;line-height:1.8;color:rgba(242,246,246,.56);margin-bottom:18px;}
.footer-form{
  display:flex;
  align-items:center;
  gap:0;
  background:rgba(242,246,246,.07);
  border:1px solid rgba(242,246,246,.14);
  border-radius:var(--r-pill);
  padding:4px 4px 4px 16px;
  max-width:330px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.footer-form:focus-within{
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(15,185,166,.18);
}
.footer-form input{
  flex:1 1 auto;
  min-width:0;
  border:0;background:transparent;outline:none;
  color:var(--paper);
  font-size:13px;
  height:34px;
}
.footer-form input::placeholder{color:rgba(242,246,246,.4);}
.footer-form button{
  flex:0 0 auto;
  height:34px;
  padding:0 18px;
  border-radius:var(--r-pill);
  background:var(--brand-500);
  color:#04201C;
  font-size:13px;
  font-weight:700;
  transition:background-color var(--dur) var(--ease);
}
.footer-form button:hover{background:#22CBB8;}
.footer-form button:disabled{opacity:.45;cursor:not-allowed;}
.footer-links{display:grid;gap:11px;}
.footer-links a{font-size:13px;color:rgba(242,246,246,.66);}
.footer-links a:hover{color:var(--brand-500);}
.footer .side-note{font-size:12px;line-height:1.75;margin-top:12px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  border-top:1px solid rgba(242,246,246,.1);
  padding:20px 0 26px;
  font-size:13px;
  color:rgba(242,246,246,.46);
}
.to-top{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid rgba(15,185,166,.55);
  color:var(--brand-500);
}
.to-top:hover{background:var(--brand-500);color:#04201C;}
.to-top svg{width:18px;height:18px;}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1100px){
  .container{max-width:100%;}
  .hot-links a:nth-child(n+3){display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}

@media (max-width:1023px){
  .layout{grid-template-columns:1fr;gap:28px;padding:36px 0 48px;}
  .article-body{max-width:100%;padding:30px 26px 34px;}
  .sidebar{position:static;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .related-grid .card:first-child{grid-column:span 2;flex-direction:column;}
  .related-grid .card:first-child .card-cover{width:100%;aspect-ratio:16/9;min-height:0;}
  .related-grid .card:first-child .card-body{padding:20px;}
  .related-grid .card:first-child h3{font-size:18px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px;}
  .topbar-inner{gap:14px;}
  .hot-links{display:none;}
  .search-box{max-width:none;}
}

@media (max-width:767px){
  :root{--gutter:16px;}
  .brand-text{font-size:15px;}
  .brand-mark{width:30px;height:30px;}
  .topbar-inner{height:58px;}
  .search-box{display:none;}
  .topbar .pill-btn{display:none;}
  .menu-toggle{display:grid;}
  .navbar-inner{height:52px;gap:12px;}
  .channels{gap:18px;mask-image:linear-gradient(90deg,transparent 0,#000 12px,#000 calc(100% - 12px),transparent 100%);}
  .channel{font-size:14px;padding:14px 2px;}
  .nav-actions .pill-btn{height:30px;padding:0 12px;font-size:12px;}
  .article-head{padding:26px 0 24px;}
  .article-title{font-size:24px;}
  .article-body{padding:24px 18px 28px;font-size:16px;}
  .article-body p{font-size:16px;}
  .article-body h2{font-size:20px;margin-top:32px;}
  .article-body h3{font-size:17px;}
  .article-body table{font-size:14px;}
  .related-grid{grid-template-columns:1fr;}
  .related-grid .card:first-child{grid-column:span 1;}
  .post-nav{flex-direction:column;align-items:flex-start;}
  .btn{height:48px;}
  .btn-sm{height:38px;}
  .cta-band{margin-bottom:44px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .site-footer{padding-top:40px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;}
  .footer-form{max-width:100%;}
}

@media (max-width:480px){
  .article-body{padding:20px 14px 24px;}
  .side-card{padding:16px;}
  .cta-band{padding:26px 20px;}
  .section-head{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --brand-500:#0FB9A6;
  --brand-600:#0A9C8C;
  --brand-050:#E6F7F5;
  --accent-500:#FF7A45;
  --accent-600:#E85F2A;
  --bg-dark:#0B1418;
  --bg-dark-2:#12212A;
  --bg-page:#F7F8F8;
  --bg-card:#FFFFFF;
  --ink-900:#0D1518;
  --ink-700:#2A3439;
  --ink-500:#5B666D;
  --ink-300:#9AA4AA;
  --line:#E4E8EA;
  --line-strong:#CFD8D9;
  --success:#17A673;
  --danger:#E5484D;
  --warn:#E8A33D;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,21,24,.06);
  --sh-2:0 8px 24px rgba(13,21,24,.08);
  --sh-3:0 16px 40px rgba(13,21,24,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:180ms;
  --container:1200px;
  --gutter:24px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.35;letter-spacing:.1px}
p{margin:0 0 20px}
p:last-child{margin-bottom:0}
svg{display:block}
:focus-visible{outline:3px solid rgba(15,185,166,.35);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.tabular{font-variant-numeric:tabular-nums}

/* ============ 顶部品牌行 ============ */
.topbar{background:var(--bg-dark);color:#F2F6F6;position:relative;z-index:70}
.topbar-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-600));
  display:grid;place-items:center;color:#04211D;
}
.brand-name{font-size:17px;font-weight:700;color:#FFFFFF;white-space:nowrap}
.search{
  flex:1;max-width:460px;position:relative;display:flex;align-items:center;
}
.search svg{position:absolute;left:14px;color:var(--ink-300);pointer-events:none}
.search input{
  width:100%;height:40px;border-radius:10px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);
  color:#F2F6F6;padding:0 14px 0 40px;font-size:14px;
  transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.search input::placeholder{color:rgba(242,246,246,.45)}
.search input:focus{border-color:var(--brand-500);background:rgba(255,255,255,.1);outline:none}
.topbar-side{display:flex;align-items:center;gap:12px;margin-left:auto}
.hot-chip{
  height:30px;padding:0 12px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:13px;
  color:rgba(242,246,246,.78);background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.08);
}
.hot-chip:hover{color:#fff;background:rgba(255,255,255,.14)}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  align-items:center;justify-content:center;color:#F2F6F6;
  border:1px solid rgba(255,255,255,.14);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:all var(--dur) var(--ease);
}
.btn-sm{height:36px;padding:0 14px;font-size:14px;border-radius:9px}
.btn-accent{background:var(--accent-500);color:#fff;border:1px solid var(--accent-500)}
.btn-accent:hover{background:var(--accent-600);border-color:var(--accent-600);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink-900);border:1px solid var(--line-strong)}
.btn-ghost:hover{color:var(--brand-600);border-color:var(--brand-500);background:var(--brand-050)}
.btn-text{color:var(--brand-600);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}

/* ============ 频道行 ============ */
.navbar{
  position:sticky;top:0;z-index:60;
  background:rgba(11,20,24,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:box-shadow var(--dur) var(--ease);
}
.navbar.is-stuck{box-shadow:var(--sh-2)}
.navbar-inner{display:flex;align-items:center;gap:20px;height:56px;transition:height var(--dur) var(--ease)}
.navbar.is-stuck .navbar-inner{height:52px}
.channels{display:flex;align-items:center;gap:28px;height:100%;overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:inline-flex;align-items:center;height:100%;
  font-size:15px;color:rgba(242,246,246,.7);white-space:nowrap;
}
.channel::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:var(--brand-500);border-radius:2px 2px 0 0;
  transform:scaleX(0);transform-origin:center;
  transition:transform var(--dur) var(--ease);
}
.channel:hover{color:#fff}
.channel:hover::after{transform:scaleX(.4)}
.channel.is-active{color:#fff;font-weight:700}
.channel.is-active::after{transform:scaleX(1)}
.pill-sub{
  margin-left:auto;flex-shrink:0;
  height:32px;padding:0 16px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:13px;font-weight:600;
  color:#04211D;background:var(--brand-500);
  transition:all var(--dur) var(--ease);
}
.pill-sub:hover{background:#12CDB8;transform:translateY(-1px)}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:90;display:none;
}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(11,20,24,.6)}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:82%;max-width:340px;
  background:var(--bg-dark-2);padding:24px 20px;overflow-y:auto;
  box-shadow:var(--sh-3);
}
.drawer-title{font-size:13px;color:rgba(242,246,246,.45);margin:0 0 12px;font-weight:600}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}
.drawer-links a{
  color:rgba(242,246,246,.85);font-size:16px;padding:12px 12px;border-radius:10px;
}
.drawer-links a:hover{background:rgba(255,255,255,.07);color:#fff}
.drawer-links a.is-active{background:var(--brand-050);color:var(--brand-600);font-weight:700}
.drawer-close{position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:10px;color:#F2F6F6;display:grid;place-items:center;background:rgba(255,255,255,.08)}

/* ============ 面包屑 ============ */
.crumb{padding:20px 0 0;font-size:13px;color:var(--ink-300)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--line-strong)}
.crumb a{color:var(--ink-500)}
.crumb a:hover{color:var(--brand-600)}
.crumb .current{color:var(--brand-600);font-weight:600}

/* ============ 分类 Hero ============ */
.cat-hero{
  margin-top:18px;
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:linear-gradient(100deg,rgba(11,20,24,.86) 0%,rgba(11,20,24,.62) 55%,rgba(11,20,24,.5) 100%),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#F2F6F6;
}
.cat-hero-inner{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:end;
  padding:52px 40px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(15,185,166,.2);color:#7FE7DA;
  font-size:12px;font-weight:700;letter-spacing:.3px;margin-bottom:16px;
}
.cat-hero h1{color:#fff;font-size:clamp(30px,4vw,40px);line-height:1.3;margin-bottom:14px}
.cat-hero p{color:rgba(242,246,246,.78);font-size:16px;line-height:1.8;max-width:620px;margin:0}
.hero-meta{display:flex;flex-wrap:wrap;gap:20px;margin-top:24px}
.hero-meta div{font-size:13px;color:rgba(242,246,246,.62)}
.hero-meta strong{display:block;font-size:22px;color:var(--brand-500);font-weight:700;font-variant-numeric:tabular-nums;line-height:1.4}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;max-width:280px}
.hero-chips a{
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:13px;
  color:rgba(242,246,246,.82);background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
}
.hero-chips a:hover{background:var(--brand-500);border-color:var(--brand-500);color:#04211D;font-weight:600}

/* ============ 锚点条 ============ */
.anchor-bar{
  display:flex;gap:10px;overflow-x:auto;padding:18px 0;
  border-bottom:1px solid var(--line);margin-bottom:8px;
  -ms-overflow-style:none;scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar a{
  flex-shrink:0;height:34px;padding:0 16px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:14px;color:var(--ink-500);
  background:#fff;border:1px solid var(--line);
}
.anchor-bar a:hover{color:var(--brand-600);border-color:rgba(15,185,166,.4);background:var(--brand-050)}

/* ============ 通用区块 ============ */
.section{padding:56px 0 0}
.section-head{margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.6vw,26px);margin-bottom:10px}
.section-head p{color:var(--ink-500);font-size:15px;margin:0;max-width:760px}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ============ 时间轴 ============ */
.timeline{display:grid;gap:28px}
.tl-item{display:grid;grid-template-columns:132px minmax(0,1fr);gap:24px}
.tl-date{position:relative;padding-left:26px;padding-top:4px}
.tl-date::before{
  content:"";position:absolute;left:0;top:8px;
  width:13px;height:13px;border-radius:50%;
  background:var(--brand-500);box-shadow:0 0 0 4px var(--brand-050);
}
.tl-item:not(:last-child) .tl-date::after{
  content:"";position:absolute;left:6px;top:26px;bottom:-28px;width:1.5px;
  background:var(--line);
}
.tl-item.is-past .tl-date::before{background:var(--ink-300);box-shadow:0 0 0 4px #EEF1F2}
.tl-day{font-size:17px;font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1.4}
.tl-time{font-size:13px;color:var(--ink-300);font-variant-numeric:tabular-nums;margin-top:2px}

.live-card{
  display:grid;grid-template-columns:minmax(0,240px) minmax(0,1fr);gap:20px;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:16px;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.live-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(15,185,166,.35)}
.live-card:hover .live-title a{color:var(--brand-600)}
.thumb{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9;background:var(--brand-050)}
.thumb img{width:100%;height:100%;object-fit:cover;object-position:center}
.thumb .badge{position:absolute;left:10px;top:10px}
.live-body{display:flex;flex-direction:column;min-width:0}
.live-title{font-size:18px;line-height:1.5;margin-bottom:8px}
.live-title a{color:var(--ink-900)}
.live-sum{font-size:14px;line-height:1.75;color:var(--ink-500);margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.live-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);flex-wrap:wrap}
.live-meta{font-size:13px;color:var(--ink-300);font-variant-numeric:tabular-nums}
.live-meta span+span::before{content:"·";margin:0 8px;color:var(--line-strong)}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:22px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;white-space:nowrap;
}
.badge-live{background:var(--accent-500);color:#fff}
.badge-live .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:breathe 1.2s infinite}
.badge-soon{background:rgba(255,122,69,.14);color:#C2470F}
.badge-end{background:#EEF1F2;color:var(--ink-500)}
@keyframes breathe{0%,100%{opacity:1}50%{opacity:.4}}

/* ============ 标签 ============ */
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;
  background:var(--brand-050);color:var(--brand-600);
}
.chip:hover{background:#D5F1ED}

/* ============ 观看准备 ============ */
.prepare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.prep-item{
  display:flex;gap:16px;padding:20px;background:var(--bg-card);
  border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.prep-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(15,185,166,.35)}
.prep-icon{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;color:var(--brand-600);background:var(--brand-050);
}
.prep-item h3{font-size:16px;margin-bottom:6px}
.prep-item p{font-size:14px;color:var(--ink-500);line-height:1.75;margin:0}

/* ============ CTA ============ */
.cta-band{
  margin-top:56px;border-radius:var(--r-lg);overflow:hidden;position:relative;
  background:linear-gradient(100deg,rgba(11,20,24,.94) 0%,rgba(11,20,24,.82) 60%,rgba(11,20,24,.7) 100%),url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.cta-inner{display:flex;align-items:center;gap:32px;padding:40px;flex-wrap:wrap}
.cta-bar{width:4px;align-self:stretch;min-height:56px;border-radius:4px;background:var(--brand-500);flex-shrink:0}
.cta-copy{flex:1;min-width:260px}
.cta-copy h2{color:#fff;font-size:clamp(20px,2.4vw,24px);margin-bottom:10px}
.cta-copy p{color:rgba(242,246,246,.72);font-size:15px;margin:0;max-width:560px}
.subscribe-form{display:flex;gap:10px;width:100%;max-width:420px}
.subscribe-form input{
  flex:1;height:46px;border-radius:10px;padding:0 16px;font-size:14px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#F2F6F6;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.subscribe-form input::placeholder{color:rgba(242,246,246,.42)}
.subscribe-form input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(15,185,166,.18)}
.form-hint{font-size:12px;color:rgba(242,246,246,.5);margin-top:10px}
.form-msg{font-size:13px;margin-top:8px;display:none}
.form-msg.is-ok{display:block;color:#5CE0CD}
.form-msg.is-err{display:block;color:#FF9B7A}

/* ============ FAQ ============ */
.faq-list{max-width:880px;display:grid;gap:12px}
.faq-item{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;transition:border-color var(--dur) var(--ease);
}
.faq-item[open]{border-color:rgba(15,185,166,.35)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:16px 20px;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:background-color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#F3F6F6}
.faq-item summary .plus{
  margin-left:auto;flex-shrink:0;width:22px;height:22px;color:var(--brand-600);
  transition:transform var(--dur) var(--ease);
}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-500)}

/* ============ 页脚 ============ */
.site-footer{margin-top:72px;background:var(--bg-dark);color:rgba(242,246,246,.72);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px}
.footer-brand strong{color:#fff;font-size:16px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(242,246,246,.6);margin:0 0 18px;max-width:300px}
.footer-form{display:flex;gap:8px;max-width:320px}
.footer-form input{
  flex:1;height:40px;border-radius:9px;padding:0 14px;font-size:14px;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#F2F6F6;
}
.footer-form input::placeholder{color:rgba(242,246,246,.4)}
.footer-form input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(15,185,166,.18)}
.footer-form button{
  height:40px;padding:0 18px;border-radius:9px;font-size:14px;font-weight:600;
  background:var(--brand-500);color:#04211D;
}
.footer-form button:hover{background:#12CDB8}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(242,246,246,.68)}
.footer-links a:hover{color:var(--brand-500)}
.side-note{font-size:12px;line-height:1.7;margin-top:12px}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom span{font-size:13px;color:rgba(242,246,246,.5)}
.to-top{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(15,185,166,.5);color:var(--brand-500);
  transition:all var(--dur) var(--ease);
}
.to-top:hover{background:var(--brand-500);color:#04211D;border-color:var(--brand-500)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .topbar-inner{gap:16px}
  .search{max-width:none}
  .hot-chip{display:none}
  .cat-hero-inner{grid-template-columns:1fr;padding:40px 28px;gap:24px;align-items:start}
  .hero-chips{justify-content:flex-start;max-width:none}
  .live-card{grid-template-columns:minmax(0,200px) minmax(0,1fr)}
  .prepare{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  :root{--gutter:16px}
  .search{display:none}
  .menu-toggle{display:flex}
  .navbar-inner{gap:12px}
  .channels{gap:20px;margin-right:-8px;padding-right:24px;
    -webkit-mask-image:linear-gradient(90deg,#000 88%,transparent);
    mask-image:linear-gradient(90deg,#000 88%,transparent);}
  .pill-sub{display:none}
  .cat-hero-inner{padding:32px 20px}
  .cat-hero p{font-size:15px}
  .section{padding:40px 0 0}
  .tl-item{grid-template-columns:1fr;gap:12px}
  .tl-date{padding-left:22px;padding-top:0}
  .tl-date::before{top:6px;width:11px;height:11px}
  .tl-item:not(:last-child) .tl-date::after{display:none}
  .live-card{grid-template-columns:1fr;gap:14px;padding:14px}
  .live-title{font-size:17px}
  .cta-inner{padding:28px 20px;gap:20px}
  .cta-bar{display:none}
  .subscribe-form{flex-direction:column;max-width:none}
  .subscribe-form input,.subscribe-form .btn{width:100%}
  .site-footer{margin-top:48px;padding-top:40px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .brand-name{font-size:15px}
  .cat-hero h1{font-size:26px}
  .hero-meta{gap:16px}
  .hero-meta strong{font-size:19px}
  .faq-item summary{padding:14px 16px;font-size:15px;gap:12px}
  .faq-answer{padding:0 16px 16px}
  .prep-item{padding:16px}
}

/* roulang page: category2 */
:root{
  --brand-500:#0FB9A6;
  --brand-600:#0A9C8C;
  --brand-050:#E6F7F5;
  --accent-500:#FF7A45;
  --accent-600:#E85F2A;
  --bg-dark:#0B1418;
  --bg-dark-2:#12212A;
  --bg-page:#F7F8F8;
  --bg-card:#FFFFFF;
  --bg-read:#FBFAF8;
  --ink-900:#0D1518;
  --ink-700:#2A3439;
  --ink-500:#5B666D;
  --ink-300:#9AA4AA;
  --ink-invert:#F2F6F6;
  --line:#E4E8EA;
  --line-strong:#CFD8D9;
  --success:#17A673;
  --danger:#E5484D;
  --warn:#E8A33D;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,21,24,.06);
  --sh-2:0 8px 24px rgba(13,21,24,.08);
  --sh-3:0 16px 40px rgba(13,21,24,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:180ms;
  --container:1200px;
  --gutter:24px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),opacity var(--dur) var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(15,185,166,.35);outline-offset:2px;border-radius:6px}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.4}
h1{font-size:clamp(28px,4vw,38px);line-height:1.35}
h2{font-size:clamp(22px,2.4vw,26px)}
h3{font-size:19px;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
svg{display:block}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 1px 2px rgba(232,95,42,.25)}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border:1px solid var(--line-strong);color:var(--ink-900)}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-050)}
.btn-solid-brand{background:var(--brand-500);color:#fff}
.btn-solid-brand:hover{background:var(--brand-600);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{padding:0;height:auto;color:var(--brand-600);font-weight:600}
.btn-ghost:hover{color:var(--brand-600);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.btn-sm{height:36px;padding:0 14px;font-size:14px;border-radius:9px}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:22px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.2px}
.badge-live{background:var(--accent-500);color:#fff}
.badge-live .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:breathe 1.2s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:1}50%{opacity:.35}}
.badge-soft{background:rgba(242,246,246,.16);color:var(--ink-invert);border:1px solid rgba(242,246,246,.24)}
.badge-ok{background:rgba(23,166,115,.12);color:var(--success)}
.chip{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:var(--r-pill);background:var(--brand-050);color:var(--brand-600);font-size:13px;font-weight:600;transition:background var(--dur) var(--ease),color var(--dur) var(--ease)}
.chip:hover{background:#d5f0ec}
.chip.is-on{background:var(--brand-500);color:#fff}
.chip-line{border:1px solid rgba(242,246,246,.34);background:rgba(242,246,246,.1);color:var(--ink-invert)}
.chip-line:hover{background:rgba(242,246,246,.2);color:#fff}

/* ---------- 头部 ---------- */
.site-header{position:relative;z-index:60;background:var(--bg-dark)}
.brandbar{background:var(--bg-dark);border-bottom:1px solid rgba(242,246,246,.08)}
.brandbar-inner{display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(140deg,var(--brand-500),#0A7F73);color:#fff;display:flex;align-items:center;justify-content:center}
.brand-mark svg{width:20px;height:20px}
.brand-text{color:var(--ink-invert);font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.search{flex:1 1 auto;max-width:520px;display:flex;align-items:center;background:rgba(242,246,246,.08);border:1px solid rgba(242,246,246,.14);border-radius:10px;padding:0 6px 0 14px;height:42px;transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease)}
.search:focus-within{border-color:var(--brand-500);background:rgba(242,246,246,.13)}
.search input{flex:1;border:0;background:transparent;color:var(--ink-invert);font-size:14px;outline:none;min-width:0}
.search input::placeholder{color:rgba(242,246,246,.45)}
.search button{width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--ink-invert);background:rgba(242,246,246,.1)}
.search button:hover{background:var(--brand-500)}
.search button svg{width:17px;height:17px}
.hotwords{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.hotwords a{font-size:13px;color:rgba(242,246,246,.66);padding:5px 9px;border-radius:var(--r-pill);border:1px solid rgba(242,246,246,.12)}
.hotwords a:hover{color:#fff;border-color:var(--brand-500);background:rgba(15,185,166,.14)}
.brandbar-cta{flex:0 0 auto}
.menu-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid rgba(242,246,246,.18);color:var(--ink-invert);align-items:center;justify-content:center;margin-left:auto}
.menu-toggle svg{width:20px;height:20px}

.channelline{position:sticky;top:0;z-index:55;background:var(--bg-dark);border-bottom:1px solid rgba(242,246,246,.08);transition:box-shadow var(--dur) var(--ease),background var(--dur) var(--ease)}
.channelline.is-scrolled{background:rgba(11,20,24,.96);box-shadow:var(--sh-2);backdrop-filter:blur(8px)}
.channelline-inner{display:flex;align-items:center;gap:20px;min-height:56px}
.channels{display:flex;align-items:center;gap:28px}
.channel{position:relative;display:inline-flex;align-items:center;height:56px;font-size:15px;color:rgba(242,246,246,.72);font-weight:500}
.channel::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px 3px 0 0;background:transparent;transition:background var(--dur) var(--ease)}
.channel:hover{color:#fff}
.channel.is-active{color:#fff;font-weight:700}
.channel.is-active::after{background:var(--brand-500)}
.channelline-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.pill-link{display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;border-radius:var(--r-pill);background:rgba(15,185,166,.14);border:1px solid rgba(15,185,166,.4);color:#8fe6db;font-size:13px;font-weight:600}
.pill-link:hover{background:var(--brand-500);color:#fff;border-color:var(--brand-500)}
.pill-link svg{width:15px;height:15px}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:90;display:none}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(11,20,24,.6)}
.drawer-panel{position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;background:var(--bg-dark);padding:22px 20px;overflow-y:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-head strong{color:var(--ink-invert);font-size:16px}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid rgba(242,246,246,.18);color:var(--ink-invert);display:flex;align-items:center;justify-content:center}
.drawer h5{margin:18px 0 10px;font-size:13px;font-weight:600;color:rgba(242,246,246,.45);letter-spacing:1px}
.drawer-links{display:flex;flex-direction:column;gap:2px}
.drawer-links a{display:block;padding:11px 12px;border-radius:10px;color:rgba(242,246,246,.82);font-size:15px}
.drawer-links a:hover,.drawer-links a.is-active{background:rgba(15,185,166,.16);color:#fff}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:14px 0;font-size:13px;color:var(--ink-300)}
.crumb a{color:var(--ink-500)}
.crumb a:hover{color:var(--brand-600)}
.crumb .sep{color:var(--line-strong)}
.crumb .now{color:var(--brand-600);font-weight:600}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  background-image:linear-gradient(105deg,rgba(11,20,24,.88),rgba(11,20,24,.58)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:var(--ink-invert);
  overflow:hidden;
}
.cat-hero::after{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--brand-500)}
.cat-hero-inner{padding:56px 0 52px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:end}
.cat-hero h1{color:#fff;text-shadow:0 2px 12px rgba(0,0,0,.35)}
.cat-hero .lede{margin-top:14px;max-width:640px;font-size:16px;line-height:1.85;color:rgba(242,246,246,.82)}
.cat-hero .hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.hero-meta{display:flex;gap:26px;flex-wrap:wrap}
.hero-meta-item{min-width:96px}
.hero-meta-item b{display:block;font-size:24px;font-weight:700;color:var(--brand-500);line-height:1.2}
.hero-meta-item span{font-size:12px;color:rgba(242,246,246,.6);letter-spacing:.4px}

/* ---------- 锚点条 ---------- */
.anchor-bar{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:20}
.anchor-inner{display:flex;align-items:center;gap:10px;padding:14px 0;overflow-x:auto;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{flex:0 0 auto;font-size:14px;font-weight:600;color:var(--ink-500);padding:7px 14px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff}
.anchor-inner a:hover{color:var(--brand-600);border-color:rgba(15,185,166,.4);background:var(--brand-050)}

/* ---------- 板块通用 ---------- */
.section{padding:64px 0}
.section.tight{padding:52px 0}
.section-alt{background:#fff}
.section-soft{background:var(--bg-page)}
.sec-head{max-width:820px;margin-bottom:34px}
.sec-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:1.2px;margin-bottom:12px}
.sec-head .eyebrow::before{content:"";width:18px;height:3px;border-radius:3px;background:var(--brand-500)}
.sec-head .sub{margin-top:12px;font-size:15px;color:var(--ink-500);line-height:1.85}

/* ---------- 版本信息条 ---------- */
.version-bar{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;margin-top:-38px;position:relative;z-index:30;
}
.version-cell{padding:26px 24px;border-right:1px solid var(--line)}
.version-cell:last-child{border-right:0}
.version-cell .label{font-size:13px;color:var(--ink-300);letter-spacing:.4px}
.version-cell .value{margin-top:8px;font-size:26px;font-weight:700;color:var(--ink-900);line-height:1.25}
.version-cell .value small{font-size:14px;font-weight:600;color:var(--ink-500);margin-left:4px}
.version-cell .dash{margin-top:8px;font-size:13px;color:var(--ink-500)}
.version-cell .okline{margin-top:8px;display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--success);font-weight:600}
.version-cell .okline svg{width:15px;height:15px}
.version-note{margin-top:18px;font-size:13px;color:var(--ink-500);display:flex;gap:8px;align-items:flex-start}
.version-note svg{width:16px;height:16px;flex:0 0 auto;margin-top:3px;color:var(--brand-600)}

/* ---------- 安装步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 20px 22px;box-shadow:var(--sh-1);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,185,166,.35)}
.step-no{width:38px;height:38px;border-radius:50%;background:var(--brand-050);color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;font-variant-numeric:tabular-nums}
.step h3{margin-top:16px;font-size:17px}
.step p{margin-top:9px;font-size:14px;line-height:1.8;color:var(--ink-500)}
.step .tip{margin-top:12px;font-size:13px;color:var(--brand-600);font-weight:600}
.step::after{content:"";position:absolute;top:43px;right:-14px;width:12px;height:2px;background:var(--line-strong);border-radius:2px}
.step:last-child::after{display:none}

/* ---------- 下载入口卡 ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.dl-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.dl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(15,185,166,.35)}
.dl-card-top{display:flex;align-items:center;gap:14px}
.dl-icon{width:48px;height:48px;border-radius:14px;background:var(--brand-050);color:var(--brand-600);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.dl-icon svg{width:24px;height:24px}
.dl-card h3{font-size:19px}
.dl-card .os{font-size:13px;color:var(--ink-300);margin-top:4px}
.dl-facts{display:flex;gap:26px;flex-wrap:wrap;margin:20px 0 6px;padding:16px 0;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line)}
.dl-facts div{font-size:13px;color:var(--ink-300)}
.dl-facts b{display:block;font-size:16px;color:var(--ink-900);font-weight:700;font-variant-numeric:tabular-nums;margin-top:4px}
.dl-desc{font-size:14px;line-height:1.85;color:var(--ink-500);margin-bottom:20px}
.dl-actions{margin-top:auto;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.verify{margin-top:14px;font-size:12.5px;color:var(--ink-300);line-height:1.75;word-break:break-all;background:var(--bg-read);border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 12px;font-variant-numeric:tabular-nums}

/* ---------- 系统要求 ---------- */
.req-layout{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:28px;align-items:start}
.req-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.req-row{display:grid;grid-template-columns:150px minmax(0,1fr);gap:16px;padding:18px 22px;border-bottom:1px solid var(--line)}
.req-row:last-child{border-bottom:0}
.req-row:hover{background:#F3F6F6}
.req-key{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:600;color:var(--ink-900)}
.req-key svg{width:17px;height:17px;color:var(--brand-600);flex:0 0 auto}
.req-val{font-size:14.5px;line-height:1.8;color:var(--ink-500)}
.req-val b{color:var(--ink-900);font-variant-numeric:tabular-nums}
.aside-card{background:var(--bg-dark);color:var(--ink-invert);border-radius:var(--r-lg);padding:26px}
.aside-card h3{color:#fff;font-size:18px}
.aside-card p{margin-top:12px;font-size:14px;line-height:1.85;color:rgba(242,246,246,.72)}
.aside-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.aside-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(242,246,246,.84);line-height:1.75}
.aside-list svg{width:17px;height:17px;color:var(--brand-500);flex:0 0 auto;margin-top:3px}
.aside-card .btn{margin-top:20px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.faq-item.is-open{border-color:rgba(15,185,166,.4);box-shadow:var(--sh-1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6}
.faq-q:hover{color:var(--brand-600)}
.faq-ico{flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:var(--brand-050);color:var(--brand-600);display:flex;align-items:center;justify-content:center;transition:transform 240ms var(--ease),background var(--dur) var(--ease)}
.faq-ico svg{width:14px;height:14px}
.faq-item.is-open .faq-ico{transform:rotate(45deg);background:var(--brand-500);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease)}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-500)}
.faq-a-inner p+p{margin-top:12px}
.faq-a-inner ul{margin-top:10px;display:flex;flex-direction:column;gap:8px}
.faq-a-inner li{position:relative;padding-left:16px}
.faq-a-inner li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand-500)}

/* ---------- CTA ---------- */
.cta-band{position:relative;background:var(--bg-dark);color:var(--ink-invert);overflow:hidden}
.cta-band::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--brand-500)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:56px 0;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(21px,2.4vw,26px)}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(242,246,246,.72);max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-dark);color:rgba(242,246,246,.72);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;padding-bottom:40px}
.footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:16px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(242,246,246,.62)}
.footer-form{margin-top:18px;display:flex;background:rgba(242,246,246,.08);border:1px solid rgba(242,246,246,.14);border-radius:var(--r-pill);padding:4px 4px 4px 14px;max-width:320px;transition:border-color var(--dur) var(--ease)}
.footer-form:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(15,185,166,.18)}
.footer-form input{flex:1;min-width:0;border:0;background:transparent;color:#fff;font-size:14px;outline:none}
.footer-form input::placeholder{color:rgba(242,246,246,.42)}
.footer-form button{height:36px;padding:0 16px;border-radius:var(--r-pill);background:var(--accent-500);color:#fff;font-size:14px;font-weight:600;transition:background var(--dur) var(--ease)}
.footer-form button:hover{background:var(--accent-600)}
.footer-form.is-ok button{background:var(--success)}
.footer-form.is-error{border-color:var(--danger)}
.side-note{margin-top:12px;font-size:12px;line-height:1.7;color:rgba(242,246,246,.42)}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(242,246,246,.66)}
.footer-links a:hover{color:var(--brand-500)}
.footer-bottom{border-top:1px solid rgba(242,246,246,.12);padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom span{font-size:13px;color:rgba(242,246,246,.5)}
.to-top{width:42px;height:42px;border-radius:50%;border:1px solid rgba(15,185,166,.55);color:var(--brand-500);display:flex;align-items:center;justify-content:center;transition:background var(--dur) var(--ease),color var(--dur) var(--ease)}
.to-top:hover{background:var(--brand-500);color:#fff;border-color:var(--brand-500)}
.to-top svg{width:19px;height:19px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1100px}
}
@media (max-width:1023px){
  .hotwords{display:none}
  .search{max-width:none}
  .cat-hero-inner{grid-template-columns:1fr;gap:26px;align-items:start}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .req-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .version-bar{grid-template-columns:1fr;margin-top:-26px}
  .version-cell{border-right:0;border-bottom:1px solid var(--line)}
  .version-cell:last-child{border-bottom:0}
}
@media (max-width:767px){
  :root{--gutter:16px}
  body{font-size:16px}
  .brandbar-inner{gap:12px}
  .search{display:none}
  .brandbar-cta{display:none}
  .menu-toggle{display:flex}
  .channelline-inner{min-height:52px;gap:12px}
  .channels{gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;flex:1;padding:6px 0}
  .channels::-webkit-scrollbar{display:none}
  .channel{height:38px;padding:0 14px;border-radius:var(--r-pill);border:1px solid rgba(242,246,246,.16);font-size:14px}
  .channel::after{display:none}
  .channel.is-active{background:var(--brand-500);border-color:var(--brand-500);color:#fff}
  .channelline-actions{display:none}
  .cat-hero-inner{padding:40px 0 40px}
  .cat-hero .lede{font-size:15px}
  .section{padding:40px 0}
  .section.tight{padding:34px 0}
  .steps{grid-template-columns:1fr;gap:14px}
  .dl-grid{grid-template-columns:1fr}
  .dl-facts{gap:18px}
  .req-row{grid-template-columns:1fr;gap:6px;padding:16px}
  .faq-q{font-size:15px;padding:16px 16px}
  .faq-a-inner{padding:0 16px 18px;font-size:14.5px}
  .cta-inner{padding:40px 0;gap:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:28px}
  .footer-form{max-width:none}
  .hero-meta{gap:18px}
}
@media (max-width:480px){
  .version-cell{padding:20px 18px}
  .version-cell .value{font-size:22px}
  .dl-card,.aside-card{padding:18px}
  .dl-actions .btn{width:100%}
  .brand-text{font-size:15px}
}

/* roulang page: category3 */
:root{
  --brand-500:#0FB9A6;
  --brand-600:#0A9C8C;
  --brand-050:#E6F7F5;
  --accent-500:#FF7A45;
  --accent-600:#E85F2A;
  --bg-dark:#0B1418;
  --bg-dark-2:#12212A;
  --bg-page:#F7F8F8;
  --bg-card:#FFFFFF;
  --ink-900:#0D1518;
  --ink-700:#2A3439;
  --ink-500:#5B666D;
  --ink-300:#9AA4AA;
  --ink-inverse:#F2F6F6;
  --line:#E4E8EA;
  --line-strong:#CFD8D9;
  --success:#17A673;
  --danger:#E5484D;
  --warn:#E8A33D;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,21,24,.06);
  --sh-2:0 8px 24px rgba(13,21,24,.08);
  --sh-3:0 16px 40px rgba(13,21,24,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:180ms;
  --container:1200px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg-page);
}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.4}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease),transform var(--dur) var(--ease)}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid rgba(15,185,166,.35);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部品牌行 ============ */
.site-header{position:relative;z-index:60}
.topbar{background:var(--bg-dark);border-bottom:1px solid rgba(242,246,246,.08)}
.topbar-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand-500),var(--brand-600));
  color:#03211d;flex-shrink:0;
}
.brand-mark svg{width:19px;height:19px}
.brand-text{color:var(--ink-inverse);font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.search{
  flex:1 1 auto;max-width:430px;display:flex;align-items:center;gap:8px;
  background:rgba(242,246,246,.07);border:1px solid rgba(242,246,246,.12);
  border-radius:10px;height:40px;padding:0 12px;
  transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.search:focus-within{border-color:var(--brand-500);background:rgba(242,246,246,.1)}
.search svg{width:17px;height:17px;color:rgba(242,246,246,.5);flex-shrink:0}
.search input{flex:1;background:none;border:0;outline:none;color:var(--ink-inverse);font-size:14px}
.search input::placeholder{color:rgba(242,246,246,.42)}
.hotwords{display:flex;align-items:center;gap:8px;flex-shrink:0}
.hotwords a{
  font-size:13px;color:rgba(242,246,246,.68);
  padding:5px 11px;border-radius:var(--r-pill);
  background:rgba(242,246,246,.06);border:1px solid transparent;white-space:nowrap;
}
.hotwords a:hover{color:var(--brand-500);border-color:rgba(15,185,166,.4);background:rgba(15,185,166,.08)}
.hamburger{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid rgba(242,246,246,.16);align-items:center;justify-content:center;color:var(--ink-inverse);
}
.hamburger svg{width:20px;height:20px}

/* ============ 频道行 ============ */
.navrow{
  position:sticky;top:0;z-index:55;
  background:rgba(11,20,24,.96);
  border-bottom:1px solid rgba(242,246,246,.08);
  transition:box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease);
  backdrop-filter:blur(6px);
}
.navrow.is-stuck{box-shadow:var(--sh-2);background:rgba(11,20,24,.98)}
.navrow-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:56px;transition:height var(--dur) var(--ease)}
.navrow.is-stuck .navrow-inner{height:52px}
.channels{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel{
  position:relative;font-size:15px;color:rgba(242,246,246,.72);
  padding:15px 0;white-space:nowrap;font-weight:500;
}
.channel::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:3px;border-radius:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.channel:hover{color:var(--ink-inverse)}
.channel:hover::after{transform:scaleX(.5)}
.channel.is-active{color:var(--ink-inverse);font-weight:700}
.channel.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-pill);display:none;
  align-items:center;justify-content:center;color:rgba(242,246,246,.75);
  border:1px solid rgba(242,246,246,.14);
}
.icon-btn svg{width:17px;height:17px}
.pill-btn{
  font-size:14px;font-weight:600;color:#04211d;background:var(--brand-500);
  padding:9px 18px;border-radius:var(--r-pill);white-space:nowrap;
}
.pill-btn:hover{background:#12cdb8;transform:translateY(-1px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;font-size:15px;font-weight:600;
  transition:all var(--dur) var(--ease);white-space:nowrap;
}
.btn svg{width:17px;height:17px}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 6px 18px rgba(255,122,69,.24)}
.btn-accent:hover{background:var(--accent-600);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(0)}
.btn-ghost{background:transparent;border:1px solid var(--line-strong);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-050)}
.btn-line{background:transparent;border:1px solid rgba(242,246,246,.28);color:var(--ink-inverse)}
.btn-line:hover{border-color:var(--brand-500);color:var(--brand-500);background:rgba(15,185,166,.1)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-600);
}
.text-link svg{width:15px;height:15px;transition:transform var(--dur) var(--ease)}
.text-link:hover svg{transform:translateX(4px)}

/* ============ 移动抽屉 ============ */
.drawer{
  display:none;background:var(--bg-dark-2);border-bottom:1px solid rgba(242,246,246,.08);
  padding:16px var(--gutter) 22px;
}
.drawer.is-open{display:block}
.drawer .search{margin-bottom:14px;max-width:none}
.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.drawer-links a{
  font-size:14px;color:rgba(242,246,246,.8);padding:10px 12px;
  border:1px solid rgba(242,246,246,.12);border-radius:10px;
}
.drawer-links a:hover{border-color:var(--brand-500);color:var(--brand-500)}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.drawer-chips a{
  font-size:13px;color:rgba(242,246,246,.66);padding:5px 11px;
  border-radius:var(--r-pill);background:rgba(242,246,246,.07);
}

/* ============ 面包屑 ============ */
.crumbs{padding:18px 0 0;font-size:13px;color:var(--ink-300)}
.crumbs a{color:var(--ink-500)}
.crumbs a:hover{color:var(--brand-600)}
.crumbs span.sep{margin:0 6px;color:var(--line-strong)}
.crumbs .current{color:var(--brand-600);font-weight:600}

/* ============ 分类 Hero ============ */
.page-hero{
  position:relative;margin-top:16px;border-radius:var(--r-lg);overflow:hidden;
  background-size:cover;background-position:center;
  background-image:linear-gradient(100deg,rgba(11,20,24,.9),rgba(11,20,24,.62)),url('/assets/images/backpic/back-2.png');
}
.page-hero-inner{padding:52px 40px 46px;max-width:760px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand-500);background:rgba(15,185,166,.12);
  border:1px solid rgba(15,185,166,.28);padding:6px 12px;border-radius:var(--r-pill);
  margin-bottom:18px;
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent-500);display:inline-block;animation:breathe 1.2s infinite ease-in-out}
@keyframes breathe{0%,100%{opacity:.55}50%{opacity:1}}
.page-hero h1{color:var(--ink-inverse);font-size:clamp(28px,3.6vw,38px);line-height:1.3;letter-spacing:.2px}
.page-hero-sub{color:rgba(242,246,246,.76);font-size:16px;line-height:1.85;margin-top:16px;max-width:40em}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.hero-tags a{
  font-size:13px;color:rgba(242,246,246,.82);padding:6px 13px;border-radius:var(--r-pill);
  background:rgba(242,246,246,.1);border:1px solid rgba(242,246,246,.16);
}
.hero-tags a:hover{background:var(--brand-500);border-color:var(--brand-500);color:#04211d}

/* ============ 锚点条 ============ */
.anchor-bar{
  margin-top:20px;background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-1);
  padding:12px 18px;display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar span{font-size:13px;color:var(--ink-300);white-space:nowrap;margin-right:6px}
.anchor-bar a{
  font-size:14px;color:var(--ink-500);padding:7px 14px;border-radius:var(--r-pill);
  background:var(--bg-page);white-space:nowrap;
}
.anchor-bar a:hover{background:var(--brand-050);color:var(--brand-600)}

/* ============ 通用板块 ============ */
.section{margin-top:64px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:24px}
.section-head h2{font-size:24px}
.section-head p{font-size:14px;color:var(--ink-500);margin-top:8px;max-width:46em}
.section-head .text-link{align-self:flex-end}

/* ============ 杂志首条大卡 ============ */
.lead-card{
  display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
}
.lead-media{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;background:var(--brand-050)}
.lead-media img{width:100%;height:100%;object-fit:cover}
.lead-body h3{font-size:26px;line-height:1.45}
.lead-body .lead-desc{font-size:15px;color:var(--ink-500);line-height:1.85;margin-top:14px}
.lead-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--ink-300);margin-top:18px}
.lead-points{margin-top:20px;border-top:1px solid var(--line);padding-top:18px;display:grid;gap:12px}
.lead-points li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--ink-500)}
.lead-points li b{color:var(--ink-900);font-weight:600}
.lead-points li i{
  width:6px;height:6px;border-radius:50%;background:var(--brand-500);
  margin-top:10px;flex-shrink:0;
}
.lead-body .btn{margin-top:22px}

/* ============ 攻略卡片网格 ============ */
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.guide-card{
  display:flex;flex-direction:column;background:var(--bg-card);
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.guide-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(15,185,166,.35)}
.guide-card .thumb{aspect-ratio:3/2;overflow:hidden;background:var(--brand-050)}
.guide-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.guide-card:hover .thumb img{transform:scale(1.03)}
.guide-card .body{padding:20px;display:flex;flex-direction:column;flex:1}
.guide-card h3{font-size:18px;line-height:1.5}
.guide-card:hover h3{color:var(--brand-600)}
.guide-card .summary{font-size:14px;color:var(--ink-500);line-height:1.8;margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
.chip{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;
  color:var(--brand-600);background:var(--brand-050);padding:4px 11px;border-radius:var(--r-pill);
}
.chip:hover{background:#d5f0ec}
.meta-time{font-size:13px;color:var(--ink-300)}
.more-row{display:flex;justify-content:center;margin-top:28px}

/* ============ 数据条 ============ */
.stat-strip{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;box-shadow:var(--sh-1);
}
.stat-item{border-left:2px solid var(--brand-050);padding-left:16px}
.stat-item strong{display:block;font-size:30px;color:var(--brand-600);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-item span{display:block;font-size:14px;color:var(--ink-500);margin-top:6px}
.stat-item em{display:block;font-size:12px;color:var(--ink-300);font-style:normal;margin-top:4px}

/* ============ 要点列表（两列） ============ */
.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.point-item{
  display:flex;gap:16px;background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--sh-1);
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.point-item:hover{border-color:rgba(15,185,166,.35);transform:translateY(-2px)}
.point-item .idx{
  font-size:22px;font-weight:700;color:rgba(15,185,166,.32);
  font-variant-numeric:tabular-nums;line-height:1.3;flex-shrink:0;
}
.point-item h4{font-size:16px;margin-bottom:6px}
.point-item p{font-size:14px;color:var(--ink-500);line-height:1.8}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px}
.faq-item{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);transition:border-color var(--dur) var(--ease)}
.faq-item.is-open{border-color:rgba(15,185,166,.4)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:0 20px;min-height:56px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);
}
.faq-q:hover{color:var(--brand-600)}
.faq-q .sign{
  width:22px;height:22px;flex-shrink:0;position:relative;
  transition:transform 240ms var(--ease);
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;background:var(--brand-500);border-radius:2px;
}
.faq-q .sign::before{left:0;right:0;top:10px;height:2px}
.faq-q .sign::after{top:0;bottom:0;left:10px;width:2px;transition:opacity 240ms var(--ease)}
.faq-item.is-open .sign{transform:rotate(45deg)}
.faq-item.is-open .sign::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms ease}
.faq-a-inner{padding:0 20px 20px;font-size:15px;color:var(--ink-500);line-height:1.85}

/* ============ CTA ============ */
.cta-band{
  margin-top:72px;border-radius:var(--r-lg);overflow:hidden;position:relative;
  background-image:linear-gradient(100deg,rgba(11,20,24,.94),rgba(11,20,24,.7)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.cta-inner{padding:44px 40px;display:flex;align-items:center;gap:32px;justify-content:space-between}
.cta-text{position:relative;padding-left:20px}
.cta-text::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand-500)}
.cta-text h2{color:var(--ink-inverse);font-size:24px}
.cta-text p{color:rgba(242,246,246,.72);font-size:15px;margin-top:10px;max-width:44em}
.cta-actions{display:flex;gap:12px;flex-shrink:0;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-dark);margin-top:72px;padding-top:56px;color:rgba(242,246,246,.72)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer h4{color:var(--ink-inverse);font-size:15px;margin-bottom:16px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:var(--ink-inverse);font-size:16px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(242,246,246,.6);margin-bottom:18px}
.footer-form{display:flex;background:rgba(242,246,246,.07);border:1px solid rgba(242,246,246,.14);border-radius:var(--r-pill);overflow:hidden;max-width:330px}
.footer-form:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(15,185,166,.18)}
.footer-form input{flex:1;background:none;border:0;outline:none;color:var(--ink-inverse);font-size:14px;padding:11px 16px}
.footer-form input::placeholder{color:rgba(242,246,246,.4)}
.footer-form button{background:var(--brand-500);color:#04211d;font-size:14px;font-weight:600;padding:0 20px}
.footer-form button:hover{background:#12cdb8}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(242,246,246,.66)}
.footer-links a:hover{color:var(--brand-500)}
.side-note{font-size:12px;line-height:1.7;margin-top:12px;color:var(--ink-300)}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(242,246,246,.1);
  padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom span{font-size:13px;color:rgba(242,246,246,.5)}
.to-top{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--brand-500);color:var(--brand-500);
  display:inline-flex;align-items:center;justify-content:center;transition:all var(--dur) var(--ease);
}
.to-top svg{width:18px;height:18px}
.to-top:hover{background:var(--brand-500);color:#04211d}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1100px}
}
@media (max-width:1023px){
  .hotwords{display:none}
  .lead-card{grid-template-columns:1fr;gap:22px}
  .guide-grid{grid-template-columns:repeat(2,1fr)}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  :root{--gutter:16px}
  .topbar-inner{height:58px;gap:12px}
  .search{display:none}
  .hamburger{display:inline-flex}
  .brand-text{font-size:15px}
  .pill-btn{display:none}
  .navrow-inner{height:52px}
  .nav-actions .icon-btn{display:inline-flex}
  .page-hero-inner{padding:36px 22px 32px}
  .page-hero-sub{font-size:15px}
  .section{margin-top:44px}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .guide-grid{grid-template-columns:1fr}
  .point-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr 1fr;padding:20px}
  .stat-item strong{font-size:24px}
  .btn{height:48px}
  .footer-grid{grid-template-columns:1fr}
  .cta-inner{padding:32px 22px}
  .cta-text h2{font-size:20px}
  .site-footer{padding-top:40px}
}
@media (max-width:520px){
  .lead-body h3{font-size:20px}
  .stat-strip{grid-template-columns:1fr}
  .lead-card{padding:16px}
  .guide-card .body{padding:16px}
  .faq-q{font-size:15px;padding:0 16px}
  .faq-a-inner{padding:0 16px 18px}
}

/* roulang page: category4 */
:root{
  --brand-500:#0FB9A6;
  --brand-600:#0A9C8C;
  --brand-050:#E6F7F5;
  --accent-500:#FF7A45;
  --accent-600:#E85F2A;
  --bg-dark:#0B1418;
  --bg-dark-2:#12212A;
  --bg-page:#F7F8F8;
  --bg-card:#FFFFFF;
  --bg-read:#FBFAF8;
  --ink-900:#0D1518;
  --ink-700:#2A3439;
  --ink-500:#5B666D;
  --ink-300:#9AA4AA;
  --ink-rev:#F2F6F6;
  --line:#E4E8EA;
  --line-strong:#CFD8D9;
  --success:#17A673;
  --danger:#E5484D;
  --warn:#E8A33D;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,21,24,.06);
  --sh-2:0 8px 24px rgba(13,21,24,.08);
  --sh-3:0 16px 40px rgba(13,21,24,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:180ms;
  --container:1200px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg-page);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(15,185,166,.35);outline-offset:2px;border-radius:6px;}
.container{max-width:var(--container);margin:0 auto;padding:0 var(--gutter);}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- Header ---------- */
.site-header{background:var(--bg-dark);color:var(--ink-rev);}
.brand-row{display:flex;align-items:center;gap:24px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink-rev);font-weight:700;font-size:17px;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-600));
  color:#fff;flex:0 0 34px;
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{white-space:nowrap;}
.header-search{flex:1 1 auto;max-width:520px;position:relative;}
.header-search input{
  width:100%;height:40px;border-radius:10px;border:1px solid rgba(242,246,246,.18);
  background:rgba(242,246,246,.08);color:var(--ink-rev);padding:0 44px 0 16px;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.header-search input::placeholder{color:rgba(242,246,246,.45);}
.header-search input:focus{
  outline:none;border-color:var(--brand-500);background:rgba(242,246,246,.12);
  box-shadow:0 0 0 3px rgba(15,185,166,.18);
}
.header-search .s-ico{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:rgba(242,246,246,.5);pointer-events:none;}
.header-search .s-ico svg{width:18px;height:18px;}
.hot-links{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.hot-chip{
  font-size:13px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(242,246,246,.08);color:rgba(242,246,246,.78);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.hot-chip:hover{background:rgba(15,185,166,.22);color:#fff;}
.btn-download{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;
  border-radius:10px;background:var(--accent-500);color:#fff;font-weight:600;font-size:15px;
  transition:background var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  white-space:nowrap;
}
.btn-download:hover{background:var(--accent-600);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-download:active{transform:translateY(0);}

.nav-wrap{background:var(--bg-dark-2);border-top:1px solid rgba(242,246,246,.06);}
.nav-wrap.is-stuck{
  position:sticky;top:0;z-index:60;
  background:rgba(11,20,24,.96);box-shadow:var(--sh-2);
  backdrop-filter:saturate(140%) blur(6px);
}
.channels{display:flex;align-items:center;gap:28px;height:56px;transition:height var(--dur) var(--ease);}
.nav-wrap.is-stuck .channels{height:52px;}
.channel{
  position:relative;display:inline-flex;align-items:center;height:100%;
  font-size:15px;color:rgba(242,246,246,.72);font-weight:500;
}
.channel::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px 3px 0 0;
  background:var(--brand-500);transform:scaleX(0);transform-origin:center;
  transition:transform var(--dur) var(--ease);
}
.channel:hover{color:#fff;}
.channel:hover::after{transform:scaleX(1);}
.channel.is-active{color:#fff;font-weight:700;}
.channel.is-active::after{transform:scaleX(1);}
.nav-extra{margin-left:auto;display:flex;align-items:center;gap:12px;}
.pill-sub{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid rgba(15,185,166,.5);color:#8FE7DC;font-size:14px;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.pill-sub:hover{background:rgba(15,185,166,.18);color:#fff;border-color:var(--brand-500);}
.pill-sub svg{width:16px;height:16px;}
.nav-toggle{display:none;background:none;border:0;color:var(--ink-rev);padding:8px;}
.nav-toggle svg{width:22px;height:22px;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;color:var(--ink-rev);overflow:hidden;
  background-image:linear-gradient(90deg,rgba(11,20,24,.86) 0%,rgba(11,20,24,.62) 55%,rgba(11,20,24,.42) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.page-hero .container{
  position:relative;z-index:2;padding-top:64px;padding-bottom:64px;
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.4px;
  color:#8FE7DC;background:rgba(15,185,166,.16);border:1px solid rgba(15,185,166,.32);
  padding:5px 14px;border-radius:var(--r-pill);margin-bottom:16px;
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-500);animation:breath 1.6s infinite;}
@keyframes breath{0%,100%{opacity:1}50%{opacity:.45}}
.page-hero h1{font-size:clamp(28px,3.6vw,38px);line-height:1.32;color:#fff;font-weight:700;letter-spacing:.3px;}
.page-hero .hero-sub{margin-top:14px;font-size:16px;line-height:1.85;color:rgba(242,246,246,.78);max-width:640px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;max-width:360px;}
.hero-chips span{
  font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(242,246,246,.1);color:rgba(242,246,246,.86);border:1px solid rgba(242,246,246,.14);
}

/* ---------- Breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-300);padding:12px 0;flex-wrap:wrap;}
.crumb a{color:var(--ink-500);}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{color:var(--line-strong);}
.crumb .now{color:var(--brand-600);font-weight:600;}

/* ---------- Anchor bar ---------- */
.anchor-bar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:52px;z-index:40;}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{
  flex:0 0 auto;font-size:14px;padding:7px 16px;border-radius:var(--r-pill);
  background:var(--brand-050);color:var(--brand-600);font-weight:600;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.anchor-inner a:hover{background:var(--brand-500);color:#fff;}

/* ---------- Layout ---------- */
main{padding:56px 0 0;}
.section{margin-bottom:64px;}
.section-head{margin-bottom:22px;}
.section-head h2{font-size:22px;line-height:1.4;position:relative;padding-left:14px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand-500);
}
.section-head p{margin-top:8px;font-size:15px;color:var(--ink-500);line-height:1.75;}
.layout-8-4{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:32px;align-items:start;}

/* ---------- Accordion group ---------- */
.faq-group{margin-bottom:36px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-title{
  display:flex;align-items:center;gap:10px;font-size:20px;line-height:1.45;margin-bottom:6px;
}
.faq-group-title .g-ico{
  display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;flex:0 0 30px;
  border-radius:9px;background:var(--brand-050);color:var(--brand-600);
}
.faq-group-title .g-ico svg{width:16px;height:16px;}
.faq-group-note{font-size:14px;color:var(--ink-300);margin:6px 0 10px;}
.accordion{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
}
.acc-item + .acc-item{border-top:1px solid var(--line);}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:17px 20px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.acc-btn:hover{background:#F3F6F6;color:var(--brand-600);}
.acc-btn .ico{
  flex:0 0 22px;color:var(--brand-600);
  transition:transform 240ms var(--ease);
}
.acc-btn .ico svg{width:20px;height:20px;}
.acc-btn[aria-expanded="true"] .ico{transform:rotate(45deg);}
.acc-panel{max-height:0;overflow:hidden;transition:max-height 240ms ease;}
.acc-panel-inner{
  padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-500);
}
.acc-panel-inner p + p{margin-top:12px;}
.acc-panel-inner strong{color:var(--ink-900);font-weight:600;}
.acc-panel-inner .mini-list{margin-top:10px;}
.acc-panel-inner .mini-list li{position:relative;padding-left:16px;line-height:1.85;}
.acc-panel-inner .mini-list li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--brand-500);
}

/* ---------- Sidebar ---------- */
.side{position:sticky;top:112px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:20px;
}
.side-card h3{font-size:16px;line-height:1.5;margin-bottom:12px;}
.side-search{display:flex;gap:8px;}
.side-search input{
  flex:1 1 auto;min-width:0;height:42px;border-radius:10px;border:1px solid var(--line-strong);
  background:#fff;padding:0 14px;font-size:15px;color:var(--ink-900);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.side-search input::placeholder{color:var(--ink-300);}
.side-search input:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(15,185,166,.18);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-primary{background:var(--accent-500);color:#fff;}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink-900);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-050);}
.btn-sm{height:42px;padding:0 16px;font-size:14px;border-radius:10px;}
.link-list{margin-top:16px;display:flex;flex-direction:column;}
.link-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 2px;font-size:15px;color:var(--ink-700);border-top:1px solid var(--line);
}
.link-list a:first-child{border-top:0;}
.link-list a:hover{color:var(--brand-600);}
.link-list a span.arrow{color:var(--ink-300);transition:transform var(--dur) var(--ease),color var(--dur) var(--ease);}
.link-list a:hover span.arrow{transform:translateX(3px);color:var(--brand-500);}
.side-note{font-size:12px;line-height:1.7;color:var(--ink-300);margin-top:12px;}
.side-cover{
  border-radius:var(--r-sm);overflow:hidden;aspect-ratio:16/9;background:var(--brand-050);
  margin-bottom:14px;
}
.side-cover img{width:100%;height:100%;object-fit:cover;}
.kf-row{display:flex;align-items:center;gap:10px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line);}
.kf-ico{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;flex:0 0 36px;
  border-radius:10px;background:var(--brand-050);color:var(--brand-600);
}
.kf-ico svg{width:18px;height:18px;}
.kf-row p{font-size:13px;line-height:1.7;color:var(--ink-500);}

/* ---------- Tips strip ---------- */
.tips{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.tip{display:flex;gap:14px;align-items:flex-start;}
.tip .n{
  font-size:26px;font-weight:700;line-height:1;color:rgba(15,185,166,.28);
  font-variant-numeric:tabular-nums;flex:0 0 auto;
}
.tip h4{font-size:15px;line-height:1.5;margin-bottom:6px;}
.tip p{font-size:14px;line-height:1.75;color:var(--ink-500);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--bg-dark);color:var(--ink-rev);border-radius:var(--r-lg);
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  position:relative;overflow:hidden;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--brand-500);
}
.cta-band h2{color:#fff;font-size:22px;line-height:1.45;}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(242,246,246,.72);max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-on-dark{background:transparent;border-color:rgba(242,246,246,.28);color:#F2F6F6;}
.btn-on-dark:hover{border-color:var(--brand-500);color:#fff;background:rgba(15,185,166,.16);}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-dark);color:rgba(242,246,246,.7);margin-top:72px;padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand strong{color:#fff;font-size:16px;}
.footer-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px;}
.footer-brand .brand-mark svg{width:17px;height:17px;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(242,246,246,.6);max-width:300px;}
.footer-form{display:flex;gap:8px;margin-top:18px;max-width:320px;}
.footer-form input{
  flex:1 1 auto;min-width:0;height:40px;border-radius:10px;padding:0 14px;font-size:14px;
  background:rgba(242,246,246,.08);border:1px solid rgba(242,246,246,.16);color:#fff;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.footer-form input::placeholder{color:rgba(242,246,246,.4);}
.footer-form input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(15,185,166,.18);}
.footer-form button{
  height:40px;padding:0 18px;border:0;border-radius:10px;background:var(--accent-500);color:#fff;
  font-weight:600;font-size:14px;transition:background var(--dur) var(--ease);
}
.footer-form button:hover{background:var(--accent-600);}
.footer-form button.is-ok{background:var(--success);}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14px;color:rgba(242,246,246,.68);}
.footer-links a:hover{color:var(--brand-500);}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(242,246,246,.1);
  padding:18px 0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,246,246,.45);
}
.to-top{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(15,185,166,.55);color:var(--brand-500);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.to-top:hover{background:var(--brand-500);color:#fff;transform:translateY(-2px);}
.to-top svg{width:18px;height:18px;}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  .container{max-width:1100px;}
}
@media (max-width:1024px){
  .layout-8-4{grid-template-columns:minmax(0,1fr);gap:40px;}
  .side{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .tips{grid-template-columns:1fr;gap:18px;}
  .brand-row{gap:16px;}
  .hot-links{display:none;}
}
@media (max-width:860px){
  .header-search{display:none;}
  .channels{gap:22px;}
  .page-hero .container{padding-top:48px;padding-bottom:48px;}
}
@media (max-width:767px){
  :root{--gutter:16px;}
  body{font-size:15px;}
  main{padding-top:36px;}
  .section{margin-bottom:40px;}
  .brand-text{font-size:15px;}
  .btn-download{display:none;}
  .nav-toggle{display:inline-flex;}
  .channels{
    gap:10px;height:auto;padding:10px 0;overflow-x:auto;scrollbar-width:none;
    -webkit-overflow-scrolling:touch;
  }
  .channels::-webkit-scrollbar{display:none;}
  .channel{
    height:34px;padding:0 14px;border-radius:var(--r-pill);background:rgba(242,246,246,.07);
    font-size:14px;flex:0 0 auto;
  }
  .channel::after{display:none;}
  .channel.is-active{background:var(--brand-500);color:#fff;}
  .nav-extra{display:none;}
  .anchor-bar{top:0;}
  .acc-btn{font-size:15px;padding:15px 16px;}
  .acc-panel-inner{padding:0 16px 18px;}
  .cta-band{padding:28px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:40px;}
  .page-hero h1{font-size:26px;}
}
@media (max-width:480px){
  .page-hero .hero-chips{max-width:100%;}
  .side-card{padding:16px;}
  .acc-btn{gap:12px;}
}