/* roulang page: index */
:root{
  --brand:#FF4E1A;
  --brand-deep:#E23A0B;
  --cyan:#00C2A8;
  --cyan-light:#3BE0C8;
  --lemon:#FFC53D;
  --ink:#17141A;
  --ink-2:#4A4550;
  --ink-3:#8A8492;
  --bg:#F7F5F3;
  --bg-2:#EFEBE7;
  --card:#FFFFFF;
  --dark:#1A161D;
  --line:rgba(23,20,26,.08);
  --line-strong:rgba(23,20,26,.14);
  --grad:linear-gradient(120deg,#FF4E1A 0%,#FF8A3D 55%,#FFC53D 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-card:0 10px 30px rgba(23,20,26,.07);
  --sh-hover:0 18px 44px rgba(255,78,26,.16);
  --sh-dock:0 12px 40px rgba(23,20,26,.12);
  --maxw:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  overflow-x:hidden;
}
body.is-locked{overflow:hidden;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand-deep);}
img{max-width:100%;display:block;object-fit:cover;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(255,78,26,.75);outline-offset:2px;border-radius:8px;}
::selection{background:rgba(255,78,26,.2);}

.container{max-width:var(--maxw);margin:0 auto;padding:0 20px;width:100%;}
.grid-container{max-width:var(--maxw);padding-left:20px;padding-right:20px;}
.grid-container .grid-container{padding-left:0;padding-right:0;}

/* ===== 通用组件 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .2s var(--ease);
  white-space:nowrap;text-align:center;
}
.btn i{font-size:13px;}
.btn--primary{background-image:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(255,78,26,.28);}
.btn--primary:hover{color:#fff;filter:brightness(1.04);box-shadow:0 18px 34px rgba(226,58,11,.32);transform:translateY(-2px);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{background:#fff;border-color:var(--line-strong);color:var(--ink);}
.btn--ghost:hover{color:var(--brand-deep);border-color:rgba(255,78,26,.45);transform:translateY(-2px);box-shadow:var(--sh-card);}
.btn--dark{background:var(--dark);color:#fff;}
.btn--dark:hover{color:var(--lemon);transform:translateY(-2px);}
.btn--sm{padding:10px 18px;font-size:14px;}
.btn--block{width:100%;}
.btn--text{
  display:inline-flex;align-items:center;gap:8px;padding:6px 0;color:var(--ink);font-weight:700;font-size:15px;
  background:none;border:0;cursor:pointer;
}
.btn--text span.arw{transition:transform .25s var(--ease);}
.btn--text:hover{color:var(--brand-deep);}
.btn--text:hover span.arw{transform:translateX(5px);}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.02em;line-height:1.4;
}
.badge--live{background:rgba(255,78,26,.1);color:var(--brand-deep);border:1px solid rgba(255,78,26,.3);}
.badge--live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(255,78,26,.18);}
.badge--cyan{background:rgba(0,194,168,.08);color:#00857а;border:1px solid rgba(0,194,168,.32);color:#037f70;}
.badge--soft{background:var(--bg-2);color:var(--ink-2);border:1px solid var(--line);}
.badge--lemon{background:rgba(255,197,61,.18);color:#8a6212;border:1px solid rgba(255,197,61,.5);}
.badge--dark{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.18);}

.tag{
  display:inline-flex;align-items:center;padding:7px 15px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--ink-2);font-size:13px;font-weight:600;
  transition:all .22s var(--ease);cursor:pointer;
}
.tag:hover{border-color:rgba(255,78,26,.4);color:var(--brand-deep);transform:translateY(-2px);}

.section{padding:88px 0;position:relative;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--bg-2);}

.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head h2{font-size:clamp(24px,3.4vw,34px);margin-bottom:12px;}
.sec-head h2 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.sec-head p{font-size:16px;color:var(--ink-3);line-height:1.85;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:.16em;
  text-transform:uppercase;color:var(--brand-deep);margin-bottom:12px;
}
.sec-head .eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad);}

/* ===== Dock 导航 ===== */
.dock-wrap{position:fixed;top:0;left:0;right:0;z-index:80;padding:24px 20px 0;pointer-events:none;}
.dock{
  pointer-events:auto;max-width:var(--maxw);margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:var(--sh-dock);
  transition:padding .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
.dock-wrap.is-scrolled{padding-top:12px;}
.dock-wrap.is-scrolled .dock{padding:7px 10px 7px 16px;box-shadow:0 16px 44px rgba(23,20,26,.18);background:rgba(255,255,255,.94);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand__mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  box-shadow:0 8px 18px rgba(255,78,26,.32);flex:0 0 auto;
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;font-weight:800;font-size:16px;letter-spacing:-.01em;color:var(--ink);}
.brand__text small{font-size:10px;font-weight:700;letter-spacing:.18em;color:var(--ink-3);text-transform:uppercase;}
.dock__nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock__nav a{
  position:relative;padding:9px 16px;border-radius:var(--r-pill);font-size:15px;font-weight:600;color:var(--ink-2);
  transition:all .22s var(--ease);
}
.dock__nav a:hover{color:var(--brand-deep);background:rgba(255,78,26,.08);}
.dock__nav a.is-active{color:var(--ink);font-weight:700;background:var(--bg-2);}
.dock__nav a.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:3px;border-radius:2px;background:var(--grad);
}
.dock__actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .22s var(--ease);font-size:15px;
}
.icon-btn:hover{color:var(--brand-deep);border-color:rgba(255,78,26,.4);transform:translateY(-2px);box-shadow:var(--sh-card);}
.dock__burger{display:none;width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;font-size:17px;}
.dock__search{
  pointer-events:auto;max-width:var(--maxw);margin:10px auto 0;
  background:rgba(255,255,255,.95);backdrop-filter:blur(16px);
  border:1px solid var(--line);border-radius:var(--r-pill);box-shadow:var(--sh-card);
  padding:10px 12px;display:none;
}
.dock__search.is-open{display:block;}
.dock__search form{display:flex;gap:10px;align-items:center;}
.dock__search input{
  flex:1;border:1px solid var(--line);border-radius:var(--r-pill);padding:11px 18px;font-size:15px;color:var(--ink);
  background:#fff;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);margin:0;
}
.dock__search input:focus{border-color:rgba(255,78,26,.55);box-shadow:0 0 0 4px rgba(255,78,26,.12);outline:none;}

.drawer{
  position:fixed;inset:0;z-index:120;background:rgba(247,245,243,.98);
  backdrop-filter:blur(8px);transform:translateY(-100%);transition:transform .38s var(--ease);
  display:flex;flex-direction:column;padding:22px 20px 32px;overflow-y:auto;
}
.drawer.is-open{transform:translateY(0);}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer nav{display:flex;flex-direction:column;}
.drawer nav a{
  font-size:18px;font-weight:700;color:var(--ink);line-height:56px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer nav a.is-active{color:var(--brand-deep);}
.drawer nav a i{font-size:13px;color:var(--ink-3);}
.drawer__foot{margin-top:auto;padding-top:28px;display:flex;flex-direction:column;gap:12px;}

/* ===== Hero ===== */
.hero{position:relative;padding:170px 0 76px;background:var(--bg);overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(23,20,26,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(23,20,26,.045) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(circle at 28% 18%,#000,transparent 68%);
  mask-image:radial-gradient(circle at 28% 18%,#000,transparent 68%);
}
.hero__glow{
  position:absolute;top:-230px;right:-140px;width:660px;height:660px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,78,26,.26),rgba(255,197,61,.12) 45%,transparent 70%);
  filter:blur(12px);pointer-events:none;
}
.hero__glow--2{
  top:auto;bottom:-260px;left:-180px;right:auto;width:520px;height:520px;
  background:radial-gradient(circle,rgba(0,194,168,.18),transparent 68%);
}
.hero .container{position:relative;z-index:2;}
.hero__grid{align-items:center;}
.hero h1{
  font-size:clamp(30px,5vw,54px);font-weight:800;line-height:1.15;letter-spacing:-.02em;
  margin:18px 0 16px;
}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero__sub{font-size:17px;color:var(--ink-2);max-width:520px;line-height:1.9;}
.hero__btns{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 26px;}
.hero__points{display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero__points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);font-weight:600;}
.hero__points li i{color:var(--cyan);font-size:14px;}
.hero__card{
  position:relative;border-radius:var(--r-xl);overflow:hidden;background:var(--dark);
  box-shadow:0 24px 60px rgba(23,20,26,.24);aspect-ratio:16/9;margin-top:36px;
}
.hero__card img{width:100%;height:100%;transition:transform .6s var(--ease);}
.hero__card:hover img{transform:scale(1.04);}
.hero__card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(23,20,26,.82) 0%,rgba(23,20,26,.16) 45%,rgba(23,20,26,.05) 100%);
}
.hero__card-badge{
  position:absolute;top:16px;right:16px;z-index:3;
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(26,22,29,.72);color:#fff;font-size:12px;font-weight:700;backdrop-filter:blur(6px);
}
.hero__card-badge i{color:var(--cyan-light);font-size:11px;}
.hero__card-info{position:absolute;left:20px;right:20px;bottom:18px;z-index:3;color:#fff;}
.hero__card-info strong{display:block;font-size:18px;font-weight:800;line-height:1.4;margin-bottom:6px;}
.hero__card-info span{font-size:13px;color:rgba(255,255,255,.78);}

/* ===== 数据徽章条 ===== */
.stats{padding:0 0 20px;}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat{
  background:#fff;border:1px solid rgba(0,194,168,.3);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--sh-card);transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.stat__num{
  font-size:clamp(22px,3vw,32px);font-weight:800;color:var(--ink);line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat__num small{font-size:13px;font-weight:700;color:var(--brand-deep);margin-left:4px;}
.stat__txt{font-size:13px;color:var(--ink-3);margin-top:6px;}

/* ===== 直播预告流 ===== */
.live__grid{display:grid;grid-template-columns:1.62fr 1fr;gap:28px;align-items:start;}
.live-cover{
  position:relative;border-radius:var(--r-xl);overflow:hidden;background:var(--dark);
  aspect-ratio:16/9;box-shadow:0 20px 50px rgba(23,20,26,.2);
}
.live-cover img{width:100%;height:100%;}
.live-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(23,20,26,.85),rgba(23,20,26,.06) 55%);}
.live-cover__state{
  position:absolute;top:18px;left:18px;z-index:3;display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);background:var(--grad);color:#fff;font-size:13px;font-weight:800;
}
.live-cover__watch{
  position:absolute;top:18px;right:18px;z-index:3;padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(26,22,29,.74);color:#fff;font-size:13px;font-weight:700;backdrop-filter:blur(6px);
}
.live-cover__watch b{color:var(--lemon);font-variant-numeric:tabular-nums;}
.live-cover__info{position:absolute;left:24px;right:24px;bottom:22px;z-index:3;color:#fff;}
.live-cover__info h3{color:#fff;font-size:clamp(18px,2.4vw,24px);margin-bottom:8px;}
.live-cover__info p{font-size:14px;color:rgba(255,255,255,.8);}

.countdown{
  margin-top:24px;background:var(--dark);border:1px solid rgba(0,194,168,.34);
  border-radius:var(--r-lg);padding:24px;box-shadow:0 18px 40px rgba(23,20,26,.18);
}
.countdown__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap;}
.countdown__head span.lbl{color:#fff;font-weight:800;font-size:16px;}
.countdown__head span.hint{color:var(--cyan-light);font-size:12px;font-weight:700;letter-spacing:.08em;}
.countdown__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;text-align:center;}
.cd-cell{background:rgba(255,255,255,.05);border-radius:var(--r-md);padding:14px 6px;}
.cd-cell b{
  display:block;font-size:clamp(24px,4vw,36px);font-weight:800;color:var(--lemon);
  font-variant-numeric:tabular-nums;line-height:1.1;letter-spacing:-.02em;
}
.cd-cell span{display:block;font-size:12px;color:rgba(255,255,255,.6);margin-top:4px;}
.countdown.is-ended .cd-cell b{color:var(--cyan-light);}
.countdown__ended{display:none;color:#fff;font-size:15px;font-weight:700;}
.countdown.is-ended .countdown__grid{display:none;}
.countdown.is-ended .countdown__ended{display:block;}

.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-card);
}
.panel + .panel{margin-top:24px;}
.panel__title{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:6px;display:flex;align-items:center;gap:10px;}
.panel__title i{color:var(--brand);font-size:16px;}
.panel__desc{font-size:14px;color:var(--ink-3);margin-bottom:16px;}

.point-list li{
  display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line);
}
.point-list li:last-child{border-bottom:0;padding-bottom:0;}
.point-list .no{
  flex:0 0 auto;width:34px;height:34px;border-radius:var(--r-pill);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:#fff;background:var(--grad);
  font-variant-numeric:tabular-nums;
}
.point-list h4{font-size:16px;font-weight:700;margin-bottom:2px;}
.point-list p{font-size:14px;color:var(--ink-3);line-height:1.75;}

.subscribe form{display:flex;gap:10px;}
.subscribe input{
  flex:1;min-width:0;margin:0;background:var(--bg);border:1px solid var(--line);
  border-radius:var(--r-sm);padding:13px 16px;font-size:15px;color:var(--ink);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.subscribe input:focus{border-color:rgba(255,78,26,.5);box-shadow:0 0 0 4px rgba(255,78,26,.12);outline:none;background:#fff;}
.subscribe__tip{
  margin-top:12px;display:none;align-items:center;gap:8px;
  background:rgba(0,194,168,.12);border:1px solid rgba(0,194,168,.35);color:#037f70;
  border-radius:var(--r-sm);padding:11px 14px;font-size:14px;font-weight:600;
}
.subscribe__tip.is-show{display:flex;}

.entry-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:4px;}
.entry-mini{
  display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:var(--r-pill);
  background:var(--bg-2);color:var(--ink-2);font-size:13px;font-weight:700;transition:all .22s var(--ease);
}
.entry-mini:hover{background:rgba(0,194,168,.14);color:#037f70;transform:translateY(-2px);}
.entry-mini i{color:var(--cyan);}

.timeline{position:relative;padding-left:22px;}
.timeline::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:linear-gradient(to bottom,var(--brand),rgba(0,194,168,.5));border-radius:2px;}
.timeline li{position:relative;padding:0 0 20px;}
.timeline li:last-child{padding-bottom:0;}
.timeline li::before{
  content:"";position:absolute;left:-22px;top:7px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.timeline .tm-time{font-size:13px;font-weight:800;color:var(--brand-deep);font-variant-numeric:tabular-nums;}
.timeline .tm-title{font-size:15px;font-weight:700;color:var(--ink);margin:2px 0 6px;}
.timeline .tm-tags{display:flex;gap:8px;flex-wrap:wrap;}

/* ===== 最新信息 ===== */
.news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-card);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
  color:var(--ink-2);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,78,26,.24);color:var(--ink-2);}
.news-card__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.news-card__no{font-size:13px;font-weight:800;color:rgba(23,20,26,.16);font-variant-numeric:tabular-nums;letter-spacing:.08em;}
.news-card__title{
  font-size:18px;font-weight:700;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__excerpt{
  font-size:14px;color:var(--ink-3);line-height:1.8;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.news-card__more{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-deep);}
.news-card__more span{transition:transform .25s var(--ease);}
.news-card:hover .news-card__more span{transform:translateX(4px);}
.empty-state{
  text-align:center;background:#fff;border:1px dashed var(--line-strong);border-radius:var(--r-lg);
  padding:52px 24px;box-shadow:var(--sh-card);
}
.empty-state i{font-size:30px;color:var(--brand);margin-bottom:14px;display:block;}
.empty-state h3{font-size:18px;margin-bottom:8px;}
.empty-state p{font-size:14px;color:var(--ink-3);margin-bottom:18px;}

/* ===== 分类导览 ===== */
.cat-card{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  min-height:320px;border-radius:var(--r-lg);overflow:hidden;
  padding:26px;color:#fff;box-shadow:var(--sh-card);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.cat-card:hover{transform:translateY(-5px);box-shadow:0 26px 56px rgba(23,20,26,.22);color:#fff;}
.cat-card img{position:absolute;inset:0;width:100%;height:100%;transition:transform .6s var(--ease);}
.cat-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(23,20,26,.9) 8%,rgba(23,20,26,.45) 50%,rgba(23,20,26,.12) 100%);
}
.cat-card:hover img{transform:scale(1.05);}
.cat-card__body{position:relative;z-index:2;}
.cat-card__body h3{color:#fff;font-size:22px;margin:12px 0 8px;}
.cat-card__body p{font-size:14px;color:rgba(255,255,255,.82);line-height:1.8;}
.cat-card__link{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:14px;font-weight:800;color:var(--lemon);}
.cat-card__link span{transition:transform .25s var(--ease);}
.cat-card:hover .cat-card__link span{transform:translateX(5px);}
.cat-card--wide{min-height:360px;}
.cat-card--tall{min-height:320px;}
.cat-card--mid{min-height:320px;}

/* ===== 精选卡片 ===== */
.pick-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-card);height:100%;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);color:var(--ink-2);
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);color:var(--ink-2);}
.pick-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--dark);}
.pick-card__media img{width:100%;height:100%;transition:transform .55s var(--ease);}
.pick-card:hover .pick-card__media img{transform:scale(1.03);}
.pick-card__body{padding:22px;display:flex;flex-direction:column;flex:1;}
.pick-card__body h3{font-size:18px;line-height:1.5;margin:12px 0 10px;}
.pick-card__body p{font-size:14px;color:var(--ink-3);line-height:1.8;flex:1;}
.pick-card__meta{
  display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:14px;
  border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);
}

/* ===== FAQ ===== */
.faq{max-width:880px;margin:0 auto;}
.faq__item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:background .25s var(--ease),border-color .25s var(--ease);
}
.faq__item.is-open{background:#FFF3ED;border-color:rgba(255,78,26,.24);}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;padding:20px 22px;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq__icon{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;color:var(--ink);font-size:13px;
  transition:all .28s var(--ease);background:#fff;
}
.faq__item.is-open .faq__icon{background:var(--grad);color:#fff;border-color:transparent;transform:rotate(45deg);}
.faq__a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.faq__a p{padding:0 22px 22px;font-size:15px;color:var(--ink-2);line-height:1.9;}

/* ===== CTA 带 ===== */
.cta-band{
  background:var(--dark);border-radius:var(--r-xl);padding:56px 48px;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;top:-160px;right:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,78,26,.4),transparent 68%);
}
.cta-band__text{position:relative;z-index:2;max-width:620px;}
.cta-band__text h2{color:#fff;font-size:clamp(22px,3vw,32px);margin-bottom:12px;}
.cta-band__text p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.9;}
.cta-band__btns{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn--ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff;}
.cta-band .btn--ghost:hover{color:var(--lemon);border-color:var(--lemon);background:rgba(255,255,255,.06);}

/* ===== 页脚 ===== */
.footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0;}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;}
.footer h3{color:#fff;font-size:16px;font-weight:800;margin-bottom:18px;}
.footer .brand__text{color:#fff;}
.footer .brand__text small{color:rgba(255,255,255,.5);}
.footer p.desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);margin-top:16px;max-width:320px;}
.footer ul li{margin-bottom:11px;}
.footer ul a{color:rgba(255,255,255,.72);font-size:14px;transition:color .22s var(--ease);}
.footer ul a:hover{color:var(--lemon);}
.footer__sub form{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap;}
.footer__sub input{
  flex:1;min-width:160px;margin:0;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-sm);padding:12px 16px;color:#fff;font-size:14px;
}
.footer__sub input::placeholder{color:rgba(255,255,255,.4);}
.footer__sub input:focus{outline:none;border-color:var(--lemon);box-shadow:0 0 0 4px rgba(255,197,61,.14);}
.footer__tip{margin-top:12px;font-size:13px;color:var(--cyan-light);display:none;}
.footer__tip.is-show{display:block;}
.footer__bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.46);
}

.back-top{
  position:fixed;right:20px;bottom:24px;z-index:70;width:46px;height:46px;border-radius:50%;
  background:var(--grad);color:#fff;border:0;cursor:pointer;box-shadow:0 12px 28px rgba(255,78,26,.32);
  display:none;align-items:center;justify-content:center;font-size:15px;
}
.back-top.is-show{display:flex;}
.mobile-bar{display:none;}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .live__grid{grid-template-columns:1.4fr 1fr;gap:24px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .section--tight{padding:48px 0;}
  .hero{padding:150px 0 60px;}
  .dock__nav{display:none;}
  .dock__actions .btn{display:none;}
  .dock__burger{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .stats__grid{grid-template-columns:repeat(2,1fr);}
  .live__grid{grid-template-columns:1fr;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:44px 32px;}
}
@media (min-width:992px){
  .mobile-bar{display:none !important;}
}
@media (max-width:767px){
  .hero{padding:140px 0 48px;}
  .hero__card{margin-top:28px;}
  .cat-card,.cat-card--wide,.cat-card--tall,.cat-card--mid{min-height:280px;}
}
@media (max-width:575px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:48px 0;}
  .sec-head{margin-bottom:28px;}
  .dock-wrap{padding:12px 12px 0;}
  .dock{padding:8px 8px 8px 12px;gap:10px;}
  .brand__mark{width:34px;height:34px;border-radius:10px;font-size:14px;}
  .brand__text{font-size:14px;}
  .brand__text small{font-size:9px;}
  .stats__grid{grid-template-columns:1fr 1fr;gap:12px;}
  .stat{padding:14px 14px;}
  .countdown{padding:18px;}
  .countdown__grid{gap:8px;}
  .panel{padding:20px;}
  .subscribe form{flex-direction:column;}
  .subscribe .btn{width:100%;}
  .hero__btns .btn{width:100%;}
  .cta-band{padding:34px 22px;border-radius:var(--r-lg);}
  .cta-band__btns{width:100%;}
  .cta-band__btns .btn{width:100%;}
  .footer__grid{grid-template-columns:1fr;gap:28px;}
  .footer__sub form{flex-direction:column;}
  .footer__sub .btn{width:100%;}
  .back-top{right:14px;bottom:80px;}
}

/* roulang page: article */
:root{
  --brand:#FF4E1A;
  --brand-deep:#E23A0B;
  --teal:#00C2A8;
  --teal-light:#3BE0C8;
  --lemon:#FFC53D;
  --ink:#17141A;
  --ink-2:#4A4550;
  --ink-3:#8A8492;
  --bg:#F7F5F3;
  --bg-2:#EFEBE7;
  --card:#FFFFFF;
  --dark:#1A161D;
  --line:rgba(23,20,26,.08);
  --grad:linear-gradient(120deg,#FF4E1A 0%,#FF8A3D 52%,#FFC53D 100%);
  --r-lg:28px;
  --r-md:18px;
  --r-img:20px;
  --r-btn:999px;
  --r-input:14px;
  --sh-card:0 10px 30px rgba(23,20,26,.07);
  --sh-card-hover:0 18px 44px rgba(255,78,26,.16);
  --sh-dock:0 12px 40px rgba(23,20,26,.12);
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.25;font-weight:700;color:var(--ink);}
p{margin:0 0 18px;}
ul,ol{margin:0 0 18px;padding-left:20px;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(255,78,26,.85);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
.section{padding:88px 0;}
.section--tight{padding:56px 0;}
.section--alt{background:var(--bg-2);}
.section__head{max-width:760px;margin-bottom:40px;}
.section__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-btn);
  background:rgba(0,194,168,.1);
  border:1px solid rgba(0,194,168,.3);
  color:#0b7a6b;font-size:13px;font-weight:700;letter-spacing:.02em;
  margin-bottom:14px;
}
.section__title{font-size:clamp(24px,3vw,32px);letter-spacing:-.01em;}
.section__desc{color:var(--ink-2);font-size:16px;margin:0;}

/* ============ 浮动 Dock 导航 ============ */
.dock-wrap{
  position:fixed;top:0;left:0;right:0;z-index:90;
  padding:24px 20px 0;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 16px;
  border-radius:var(--r-btn);
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border:1px solid rgba(23,20,26,.07);
  box-shadow:var(--sh-dock);
  transition:padding .25s ease,box-shadow .25s ease,background .25s ease;
}
.dock.is-scrolled{padding:6px 10px 6px 14px;box-shadow:0 14px 46px rgba(23,20,26,.18);background:rgba(255,255,255,.94);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;
  box-shadow:0 8px 20px rgba(255,78,26,.35);
  flex:0 0 auto;
}
.brand__text{
  display:flex;flex-direction:column;line-height:1.1;
  font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--ink);
}
.brand__text small{
  font-size:10px;font-weight:600;letter-spacing:.14em;
  color:var(--ink-3);text-transform:uppercase;margin-top:3px;
}
.dock__nav{
  display:flex;align-items:center;gap:4px;
  margin-left:auto;margin-right:auto;
}
.dock__nav a{
  position:relative;
  padding:9px 14px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;color:var(--ink-2);
  white-space:nowrap;transition:color .2s ease,background .2s ease;
}
.dock__nav a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(0);
  width:22px;height:3px;border-radius:3px;background:var(--grad);
  transition:transform .22s ease;
}
.dock__nav a:hover{color:var(--ink);background:rgba(23,20,26,.05);}
.dock__nav a:hover::after,.dock__nav a.is-active::after{transform:translateX(-50%) scaleX(1);}
.dock__nav a.is-active{color:var(--ink);}
.dock__actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.dock__search-btn{
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.dock__search-btn:hover{color:var(--brand);border-color:rgba(255,78,26,.4);transform:translateY(-1px);}
.dock__search{
  display:none;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:4px 6px 4px 16px;
}
.dock__search.is-open{display:flex;}
.dock__search input{
  border:0;outline:none;background:transparent;font-size:14px;width:170px;color:var(--ink);
  height:34px;
}
.dock__search button{
  border:0;background:var(--grad);color:#fff;border-radius:var(--r-btn);
  height:32px;padding:0 16px;font-size:13px;font-weight:700;cursor:pointer;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  padding:12px 24px;
  font-size:15px;font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease,filter .2s ease;
  white-space:nowrap;
  text-align:center;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(255,78,26,.28);}
.btn--primary:hover{color:#fff;filter:brightness(1.04);box-shadow:0 16px 34px rgba(255,78,26,.36);transform:translateY(-2px);}
.btn--primary:active{transform:translateY(0);filter:brightness(.94);}
.btn--ghost{background:#fff;color:var(--ink);border-color:rgba(23,20,26,.12);box-shadow:0 6px 18px rgba(23,20,26,.05);}
.btn--ghost:hover{color:var(--brand);border-color:rgba(255,78,26,.4);transform:translateY(-2px);}
.btn--ghost:active{transform:translateY(0);}
.btn--sm{padding:9px 18px;font-size:13px;}
.btn--block{width:100%;}
.btn--link{
  background:none;border:0;padding:0;color:var(--brand);font-weight:700;font-size:14px;
  display:inline-flex;align-items:center;gap:6px;cursor:pointer;
}
.btn--link i{transition:transform .2s ease;}
.btn--link:hover i{transform:translateX(4px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-btn);
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:rgba(0,194,168,.1);
  border:1px solid rgba(0,194,168,.32);
  color:#0a7a6b;
}
.badge--brand{background:rgba(255,78,26,.1);border-color:rgba(255,78,26,.32);color:var(--brand-deep);}
.badge--lemon{background:rgba(255,197,61,.18);border-color:rgba(255,197,61,.5);color:#8a6100;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 28px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 16px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink-2);
  transition:all .2s ease;
}
.tag:hover{color:var(--brand);border-color:rgba(255,78,26,.4);transform:translateY(-2px);box-shadow:var(--sh-card);}

/* ============ 文章页头部 ============ */
.article-hero{
  position:relative;
  padding:150px 0 48px;
  background:
    radial-gradient(760px 380px at 14% 4%, rgba(255,120,50,.20), transparent 62%),
    radial-gradient(620px 320px at 88% 10%, rgba(0,194,168,.14), transparent 60%),
    linear-gradient(180deg,#FBF8F5 0%, var(--bg) 100%);
  overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(23,20,26,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(23,20,26,.045) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(circle at 30% 20%, #000 0%, transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 30% 20%, #000 0%, transparent 72%);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2;}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--ink-3);margin-bottom:22px;
}
.crumb a{color:var(--ink-2);font-weight:600;}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:10px;color:var(--ink-3);}
.article-hero h1{
  font-size:clamp(28px,4.2vw,46px);
  font-weight:800;line-height:1.18;letter-spacing:-.02em;
  max-width:940px;margin:16px 0 20px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;
  color:var(--ink-3);font-size:13px;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand);font-size:12px;}
.article-meta strong{color:var(--ink-2);font-weight:700;}

/* ============ 封面 ============ */
.article-cover{margin:8px 0 0;}
.article-cover .frame{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:0 24px 60px rgba(23,20,26,.14);
  background:linear-gradient(120deg,#2c2228,#17141a);
  aspect-ratio:16/9;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.article-cover figcaption{
  margin-top:12px;font-size:13px;color:var(--ink-3);text-align:center;
}

/* ============ 阅读区 ============ */
.reading{padding:56px 0 72px;}
.reading__layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:40px;
}
.reading__inner{
  max-width:760px;margin:0 auto;width:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:44px 46px;
  box-shadow:var(--sh-card);
}
.article-body{font-size:17px;line-height:1.9;color:var(--ink);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 18px;color:var(--ink-2);}
.article-body h2{
  position:relative;
  font-size:24px;font-weight:700;letter-spacing:-.01em;
  margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;
  width:4px;height:20px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:19px;font-weight:700;margin:30px 0 12px;color:var(--ink);}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px;}
.article-body a{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(255,78,26,.35);}
.article-body a:hover{color:var(--brand-deep);border-color:var(--brand-deep);}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:6px;list-style:none;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:24px;margin-bottom:10px;color:var(--ink-2);
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:12px;
  width:8px;height:8px;border-radius:50%;
  background:var(--teal);box-shadow:0 0 0 4px rgba(0,194,168,.16);
}
.article-body ol{counter-reset:olc;}
.article-body ol li{counter-increment:olc;padding-left:34px;}
.article-body ol li::before{
  content:counter(olc);
  position:absolute;left:0;top:4px;
  width:22px;height:22px;border-radius:50%;
  background:rgba(255,78,26,.1);color:var(--brand-deep);
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:4px solid var(--brand);
  background:#FFF3ED;
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--ink-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:22px 0 8px;width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figure figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.article-body thead th{
  background:var(--bg-2);color:var(--ink);font-weight:700;text-align:left;
  padding:12px 16px;font-size:14px;
}
.article-body tbody td{padding:12px 16px;border-top:1px solid var(--line);color:var(--ink-2);}
.article-body tbody tr:nth-child(even) td{background:#FBFAF9;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.article-body code{
  background:var(--bg-2);border-radius:6px;padding:2px 7px;font-size:14px;color:var(--brand-deep);
}

/* ============ 空态 ============ */
.empty-state{
  max-width:760px;margin:0 auto;text-align:center;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:60px 32px;box-shadow:var(--sh-card);
}
.empty-state .icon{
  width:64px;height:64px;border-radius:20px;margin:0 auto 20px;
  background:var(--grad);color:#fff;font-size:24px;
  display:flex;align-items:center;justify-content:center;
}
.empty-state h2{font-size:22px;}
.empty-state p{color:var(--ink-2);margin-bottom:24px;}

/* ============ 文章尾部 ============ */
.article-foot{max-width:760px;margin:40px auto 0;width:100%;}
.foot-block{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 28px;box-shadow:var(--sh-card);
  margin-bottom:24px;
}
.foot-block h2{font-size:18px;margin-bottom:16px;}
.pager{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
}
.pager a{
  display:block;padding:16px 18px;border-radius:var(--r-md);
  background:var(--bg);border:1px solid var(--line);
  transition:all .2s ease;
}
.pager a:hover{background:#fff;border-color:rgba(255,78,26,.35);box-shadow:var(--sh-card);transform:translateY(-3px);}
.pager small{display:block;font-size:12px;color:var(--ink-3);margin-bottom:6px;}
.pager strong{font-size:15px;color:var(--ink);font-weight:700;line-height:1.5;display:block;}
.pager .is-next{text-align:right;}

/* ============ 相关推荐卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:24px;overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:rgba(255,78,26,.2);}
.card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(120deg,#2c2228,#17141a);}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card__media img{transform:scale(1.03);}
.card__badge{
  position:absolute;left:12px;top:12px;
  padding:5px 12px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.92);color:#0a7a6b;
  border:1px solid rgba(0,194,168,.4);
  font-size:12px;font-weight:700;
}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.card__title{font-size:17px;font-weight:700;line-height:1.5;margin:0 0 10px;color:var(--ink);}
.card__desc{font-size:14px;color:var(--ink-2);line-height:1.75;margin:0 0 16px;}
.card__meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);gap:10px;
  padding-top:14px;border-top:1px solid var(--line);
}
.card__meta .arrow{color:var(--brand);font-weight:700;display:inline-flex;align-items:center;gap:6px;}
.card:hover .card__meta .arrow i{transform:translateX(3px);}
.card__meta .arrow i{transition:transform .2s ease;}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--dark);
  border-radius:var(--r-lg);
  padding:52px 48px;
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle at center, rgba(255,78,26,.5), transparent 68%);
}
.cta-band::after{
  content:"";position:absolute;left:-60px;bottom:-120px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle at center, rgba(0,194,168,.34), transparent 70%);
}
.cta-band__text{position:relative;z-index:2;max-width:640px;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.72);margin:0;font-size:15px;}
.cta-band__actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}
.btn--onDark{background:#fff;color:var(--ink);}
.btn--onDark:hover{color:var(--brand);transform:translateY(-2px);}

/* ============ 页脚 ============ */
.footer{background:var(--dark);color:rgba(255,255,255,.78);padding:64px 0 28px;margin-top:0;}
.footer__grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer .brand__text{color:#fff;}
.footer .brand__text small{color:rgba(255,255,255,.5);}
.footer h3{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer ul{list-style:none;padding:0;margin:0;}
.footer ul li{margin-bottom:10px;}
.footer a{color:rgba(255,255,255,.78);font-size:14px;}
.footer a:hover{color:var(--lemon);}
.footer .desc{color:rgba(255,255,255,.6);font-size:14px;margin:16px 0 0;line-height:1.8;}
.footer__sub form{display:flex;gap:8px;margin-top:14px;}
.footer__sub input{
  flex:1 1 auto;min-width:0;height:44px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  padding:0 16px;color:#fff;font-size:14px;outline:none;
}
.footer__sub input::placeholder{color:rgba(255,255,255,.42);}
.footer__sub input:focus{border-color:rgba(255,197,61,.7);}
.footer__tip{
  display:none;margin-top:12px;padding:10px 14px;border-radius:var(--r-input);
  background:rgba(0,194,168,.16);border:1px solid rgba(0,194,168,.4);
  color:var(--teal-light);font-size:13px;
}
.footer__tip.is-show{display:block;}
.footer__bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:80;
  width:46px;height:46px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-dock);cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .25s ease;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{color:var(--brand);border-color:rgba(255,78,26,.4);}

/* ============ 移动端 ============ */
.mobile-bar{display:none;}
.drawer{display:none;}
@media screen and (max-width:991px){
  .dock__nav{display:none;}
  .dock__search{display:none !important;}
  .dock-wrap{padding:16px 16px 0;}
  .dock{padding:8px 10px;}
  .article-hero{padding:118px 0 40px;}
  .reading__inner{padding:32px 26px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media screen and (max-width:767px){
  .section{padding:56px 0;}
  .dock__actions .btn{display:none;}
  .article-meta{gap:10px 16px;}
  .card-grid{grid-template-columns:1fr;}
  .pager{grid-template-columns:1fr;}
  .pager .is-next{text-align:left;}
  .footer__grid{grid-template-columns:1fr;}
  .footer__sub form{flex-direction:column;}
  .footer__sub .btn{width:100%;}
  .footer__bottom{flex-direction:column;}
  .to-top{right:16px;bottom:82px;}
}
@media screen and (max-width:520px){
  .container{padding:0 16px;}
  .article-hero{padding:104px 0 32px;}
  .reading__inner{padding:24px 18px;border-radius:22px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:21px;}
  .article-body table{font-size:13px;}
  .article-body thead th,.article-body tbody td{padding:10px 12px;}
  .cta-band{padding:32px 22px;}
  .brand__text{font-size:14px;}
  .brand__text small{font-size:9px;}
}

/* roulang page: category1 */
:root{
  --brand:#FF4E1A;
  --brand-dark:#E23A0B;
  --cyan:#00C2A8;
  --cyan-light:#3BE0C8;
  --lemon:#FFC53D;
  --ink:#17141A;
  --ink-2:#4A4550;
  --ink-3:#8A8492;
  --bg:#F7F5F3;
  --bg-2:#EFEBE7;
  --card:#FFFFFF;
  --dark:#1A161D;
  --line:rgba(23,20,26,.08);
  --line-strong:rgba(23,20,26,.14);
  --grad:linear-gradient(120deg,#FF4E1A 0%,#FF8A3D 52%,#FFC53D 100%);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --shadow-card:0 10px 30px rgba(23,20,26,.07);
  --shadow-card-hover:0 18px 44px rgba(255,78,26,.16);
  --shadow-dock:0 12px 40px rgba(23,20,26,.12);
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700}
p{margin:0 0 14px}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(255,78,26,.9);outline-offset:2px;border-radius:8px}
::selection{background:rgba(255,78,26,.2)}

.grid-container.container{
  max-width:1200px;
  padding-left:20px;
  padding-right:20px;
  margin-left:auto;
  margin-right:auto;
  width:100%;
}

/* ============ 浮动 Dock 导航 ============ */
.dock{
  position:fixed;
  top:24px;
  left:0;
  right:0;
  z-index:120;
  padding:0 20px;
  transition:top .28s ease;
}
.dock__inner{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:20px;
  padding:10px 12px 10px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.84);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-dock);
  transition:padding .28s ease,box-shadow .28s ease,background .28s ease;
}
.dock.is-scrolled .dock__inner{
  padding:6px 10px 6px 14px;
  background:rgba(255,255,255,.93);
  box-shadow:0 16px 46px rgba(23,20,26,.18);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:38px;height:38px;border-radius:13px;
  background:var(--grad);
  display:grid;place-items:center;
  color:#fff;font-size:16px;
  box-shadow:0 8px 20px rgba(255,78,26,.32);
  flex:0 0 auto;
}
.brand__text{
  display:flex;flex-direction:column;
  font-weight:800;font-size:15.5px;line-height:1.15;letter-spacing:-.01em;
}
.brand__text small{
  font-size:9.5px;letter-spacing:.16em;font-weight:600;
  color:var(--ink-3);margin-top:3px;
}
.dock__nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.dock__nav a{
  display:inline-flex;align-items:center;
  padding:9px 15px;
  border-radius:999px;
  font-size:15px;font-weight:600;
  color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.dock__nav a:hover{background:var(--bg-2);color:var(--ink)}
.dock__nav a.is-active{
  color:#fff;background:var(--grad);
  box-shadow:0 8px 18px rgba(255,78,26,.28);
}
.dock__actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:42px;height:42px;border-radius:999px;
  border:1px solid var(--line);
  background:#fff;color:var(--ink-2);
  display:grid;place-items:center;cursor:pointer;
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(255,78,26,.42);transform:translateY(-1px)}
.dock__burger{display:none}
.dock__search{
  position:absolute;
  top:calc(100% + 12px);
  right:20px;
  width:min(420px,calc(100vw - 40px));
  display:flex;gap:8px;
  padding:10px;
  border-radius:20px;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-dock);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.dock__search.is-open{opacity:1;visibility:visible;transform:none}
.dock__search input{
  flex:1;min-height:44px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  padding:0 16px;
  background:var(--bg);
  color:var(--ink);
}
.dock__search input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(255,78,26,.16);
  background:#fff;
}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;
  padding:13px 26px;
  border:none;border-radius:999px;
  font-size:15px;font-weight:700;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(255,78,26,.28)}
.btn--primary:hover{filter:brightness(1.06);box-shadow:0 16px 34px rgba(255,78,26,.34);transform:translateY(-1px)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:#fff;color:var(--ink);border:1px solid var(--line-strong)}
.btn--ghost:hover{border-color:rgba(255,78,26,.5);color:var(--brand-dark);transform:translateY(-1px)}
.btn--light{background:#fff;color:var(--brand-dark);box-shadow:0 12px 26px rgba(23,20,26,.16)}
.btn--light:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(23,20,26,.2)}
.btn--sm{min-height:40px;padding:9px 18px;font-size:14px}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;color:var(--brand-dark);font-size:15px;
  transition:gap .2s ease,color .2s ease;
}
.btn-link:hover{gap:12px;color:var(--brand)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:700;line-height:1.4;
  background:#fff;color:var(--ink);
  border:1px solid var(--line-strong);
}
.badge--cyan{border-color:rgba(0,194,168,.35);color:#07796b;background:rgba(0,194,168,.08)}
.badge--orange{border-color:rgba(255,78,26,.3);color:var(--brand-dark);background:#FFF3ED}
.badge--grade{background:var(--grad);color:#fff;border:none;box-shadow:0 8px 18px rgba(255,78,26,.24)}

/* ============ 分类页首屏 ============ */
.hero-cat{
  position:relative;
  padding:146px 0 76px;
  background-color:var(--bg);
  overflow:hidden;
}
.hero-cat::before{
  content:"";position:absolute;right:-140px;top:-190px;
  width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,78,26,.26),rgba(255,78,26,0) 70%);
  pointer-events:none;
}
.hero-cat::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(23,20,26,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(23,20,26,.045) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:linear-gradient(180deg,#000,rgba(0,0,0,0) 78%);
  mask-image:linear-gradient(180deg,#000,rgba(0,0,0,0) 78%);
}
.hero-cat .container{position:relative;z-index:2}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13.5px;color:var(--ink-3);margin-bottom:22px;
}
.crumb a{color:var(--ink-2);font-weight:600}
.crumb a:hover{color:var(--brand-dark)}
.crumb span.dot{color:var(--ink-3)}
.hero-cat h1{
  font-size:clamp(30px,4.6vw,48px);
  font-weight:800;line-height:1.15;letter-spacing:-.02em;
  max-width:820px;
}
.hero-cat .lead{
  margin-top:18px;max-width:660px;
  font-size:17px;line-height:1.85;color:var(--ink-2);
}
.hero-cat__stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.stat-chip{
  display:inline-flex;align-items:center;gap:12px;
  padding:12px 22px 12px 18px;
  border-radius:999px;
  background:#fff;
  border:1px solid rgba(0,194,168,.3);
  box-shadow:var(--shadow-card);
}
.stat-chip b{
  font-size:26px;font-weight:800;line-height:1;
  color:var(--brand-dark);
  font-variant-numeric:tabular-nums;
}
.stat-chip b i{font-style:normal;font-size:13px;font-weight:700;color:var(--ink-3);margin-left:3px}
.stat-chip span{font-size:13px;color:var(--ink-2);font-weight:600}

/* ============ 板块通用 ============ */
.section{padding:88px 0}
.section--alt{background:var(--bg-2)}
.section--tight{padding:56px 0 72px}
.section__head{max-width:720px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:700;color:var(--brand-dark);
  background:rgba(255,78,26,.09);
  border:1px solid rgba(255,78,26,.22);
  margin-bottom:16px;
}
.section__head h2{
  font-size:clamp(24px,3vw,33px);font-weight:700;
  line-height:1.3;
}
.section__head p{margin-top:14px;color:var(--ink-2);font-size:16.5px}

/* ============ 双列图文大卡 ============ */
.feature{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:36px;
  align-items:center;
  background:var(--card);
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  padding:24px;
  transition:box-shadow .28s ease,transform .28s ease;
}
.feature + .feature{margin-top:32px}
.feature:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-4px)}
.feature--rev .feature__media{order:2}
.feature--rev .feature__body{order:1}
.feature__media{
  position:relative;
  border-radius:var(--r-md);
  overflow:hidden;
  aspect-ratio:16/11;
  background:linear-gradient(120deg,#FF4E1A,#FF8A3D 55%,#FFC53D);
}
.feature__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.feature:hover .feature__media img{transform:scale(1.03)}
.feature__tag{
  position:absolute;left:16px;top:16px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:700;
  background:rgba(255,255,255,.92);
  color:var(--brand-dark);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.feature__body{padding:8px 12px 8px 4px}
.feature__body h3{font-size:21px;line-height:1.4;margin-bottom:14px}
.feature__body p{color:var(--ink-2);font-size:15.5px}
.point-list{margin:18px 0 22px}
.point-list li{
  position:relative;
  padding-left:22px;
  margin-bottom:12px;
  color:var(--ink-2);font-size:15px;line-height:1.8;
}
.point-list li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:8px;height:8px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 3px rgba(0,194,168,.16);
}
.point-list li strong{color:var(--ink);font-weight:700}

/* ============ 竖排时间轴 ============ */
.timeline-wrap{
  background:var(--card);
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  padding:36px 34px 24px;
}
.timeline{position:relative;padding-left:32px;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:9px;top:10px;bottom:22px;width:2px;
  background:linear-gradient(180deg,#FF4E1A,#FF8A3D 45%,rgba(23,20,26,.1));
}
.timeline__item{position:relative;padding-bottom:26px}
.timeline__item::before{
  content:"";position:absolute;left:-31px;top:9px;
  width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
  box-shadow:0 0 0 4px rgba(255,78,26,.1);
}
.timeline__item.is-live::before{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(0,194,168,.14)}
.timeline__item.is-done::before{border-color:var(--ink-3);box-shadow:0 0 0 4px rgba(138,132,146,.12)}
.timeline__row{
  display:flex;align-items:flex-start;gap:18px;flex-wrap:wrap;
}
.timeline__time{
  flex:0 0 132px;
  font-size:15px;font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
  padding-top:2px;
}
.timeline__main{flex:1 1 280px;min-width:220px}
.timeline__main h3{font-size:16.5px;font-weight:700;margin-bottom:4px}
.timeline__main p{font-size:14px;color:var(--ink-3);margin:0}
.timeline__state{flex:0 0 auto;padding-top:2px}
.timeline__item + .timeline__item{border-top:1px solid var(--line);padding-top:24px}

/* ============ 深色看点带 ============ */
.dark-band{
  background:var(--dark);
  border-radius:var(--r-lg);
  padding:52px 48px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.dark-band::after{
  content:"";position:absolute;right:-120px;bottom:-160px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(59,224,200,.16),rgba(59,224,200,0) 70%);
  pointer-events:none;
}
.dark-band h2{font-size:clamp(22px,2.7vw,30px);color:#fff;max-width:640px}
.dark-band > p{color:rgba(255,255,255,.66);max-width:620px;margin-top:14px}
.dark-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px 40px;margin-top:38px;position:relative;z-index:2;
}
.dark-item{display:flex;gap:16px;align-items:flex-start}
.dark-item .num{
  flex:0 0 46px;height:46px;width:46px;border-radius:16px;
  display:grid;place-items:center;
  font-weight:800;font-size:16px;
  color:#fff;
  background:var(--grad);
  box-shadow:0 10px 24px rgba(255,78,26,.3);
  font-variant-numeric:tabular-nums;
}
.dark-item h3{color:#fff;font-size:17px;margin-bottom:6px}
.dark-item p{color:rgba(255,255,255,.64);font-size:14.5px;margin:0}

/* ============ CTA 带 ============ */
.cta{
  background:var(--grad);
  border-radius:var(--r-lg);
  padding:48px 46px;
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;
  gap:36px;flex-wrap:wrap;
  box-shadow:0 22px 50px rgba(255,78,26,.26);
}
.cta h2{color:#fff;font-size:clamp(23px,2.8vw,31px);max-width:520px}
.cta p{color:rgba(255,255,255,.9);margin-top:12px;max-width:520px;font-size:15.5px}
.cta__form{flex:1 1 360px;max-width:460px}
.cta__fields{display:flex;gap:10px;flex-wrap:wrap}
.cta__fields input{
  flex:1 1 210px;min-height:50px;
  border:none;border-radius:999px;
  padding:0 20px;
  background:rgba(255,255,255,.95);
  color:var(--ink);
}
.cta__fields input:focus{outline:none;box-shadow:0 0 0 3px rgba(255,255,255,.55)}
.sub-tip{
  display:none;margin-top:12px;
  padding:10px 16px;border-radius:14px;
  background:rgba(0,194,168,.92);
  color:#fff;font-size:14px;font-weight:600;
}
.sub-tip.is-show{display:inline-block}

/* ============ 页脚 ============ */
.footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:88px}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px}
.footer h3{color:#fff;font-size:16px;margin:0 0 16px}
.footer ul li{margin-bottom:10px}
.footer ul a{font-size:14.5px;color:rgba(255,255,255,.7);transition:color .2s ease}
.footer ul a:hover{color:var(--lemon)}
.footer .brand__text{color:#fff}
.footer .brand__text small{color:rgba(255,255,255,.48)}
.footer .desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.58);margin-top:18px;max-width:340px}
.footer__sub p.desc{margin-top:0}
.footer__sub form{display:flex;gap:8px;margin-top:14px}
.footer__sub input{
  flex:1;min-width:0;min-height:46px;
  border-radius:14px;padding:0 16px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  color:#fff;
}
.footer__sub input::placeholder{color:rgba(255,255,255,.42)}
.footer__sub input:focus{outline:none;border-color:var(--cyan);background:rgba(255,255,255,.12)}
.footer__tip{display:none;margin-top:12px;font-size:13.5px;color:var(--cyan-light);font-weight:600}
.footer__tip.is-show{display:block}
.footer__bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:52px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.46);
}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:200;
  background:rgba(23,20,26,.5);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer__panel{
  position:absolute;right:0;top:0;bottom:0;
  width:min(88vw,380px);
  background:#fff;
  padding:22px 20px 32px;
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform .3s ease;
  overflow-y:auto;
}
.drawer.is-open .drawer__panel{transform:none}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer__panel nav a{
  display:flex;align-items:center;
  min-height:56px;padding:0 16px;
  border-radius:16px;
  font-size:18px;font-weight:600;color:var(--ink);
  margin-bottom:6px;
}
.drawer__panel nav a:hover{background:var(--bg-2)}
.drawer__panel nav a.is-active{background:var(--grad);color:#fff}
.drawer__foot{margin-top:auto;padding-top:20px}
.drawer__foot .btn{width:100%}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .footer__grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer__sub{grid-column:1 / -1}
}
@media (max-width:991px){
  .dock__nav{display:none}
  .dock__burger{display:grid;margin-left:auto}
  .dock__inner{gap:12px}
  .section{padding:64px 0}
  .hero-cat{padding:132px 0 62px}
  .feature{grid-template-columns:1fr;gap:22px;padding:20px}
  .feature--rev .feature__media{order:1}
  .feature--rev .feature__body{order:2}
  .feature__body{padding:4px 6px 8px}
  .dark-band{padding:40px 28px}
  .dark-grid{grid-template-columns:1fr;gap:22px}
  .cta{padding:38px 28px}
  .timeline-wrap{padding:28px 22px 16px}
}
@media (max-width:767px){
  .dock{top:auto;bottom:0;padding:0 12px 12px}
  .dock__inner{padding:8px 8px 8px 12px;border-radius:22px}
  .dock.is-scrolled .dock__inner{padding:8px 8px 8px 12px}
  .dock__actions .btn--primary{display:none}
  .brand__text{font-size:14px}
  .brand__text small{font-size:8.5px;letter-spacing:.12em}
  .brand__mark{width:34px;height:34px;border-radius:12px;font-size:14px}
  body{padding-bottom:82px}
  .dock__search{right:12px;left:12px;width:auto;top:auto;bottom:calc(100% + 10px)}
  .hero-cat{padding:92px 0 52px}
  .section{padding:52px 0}
  .stat-chip{padding:10px 16px;gap:10px}
  .stat-chip b{font-size:22px}
  .timeline{padding-left:26px}
  .timeline__time{flex:0 0 100%}
  .timeline__row{gap:8px}
  .footer{padding:56px 0 24px;margin-top:64px}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .footer__bottom{flex-direction:column;margin-top:36px}
  .cta{padding:32px 22px;border-radius:24px}
  .cta__form{max-width:none;width:100%}
  .cta__fields input{flex:1 1 100%}
  .cta__fields .btn{width:100%}
}
@media (max-width:520px){
  body{font-size:16px}
  .grid-container.container{padding-left:16px;padding-right:16px}
  .hero-cat h1{font-size:29px}
  .hero-cat .lead{font-size:15.5px}
}

/* roulang page: category2 */
:root{
  --brand:#FF4E1A;
  --brand-deep:#E23A0B;
  --brand-mid:#FF8A3D;
  --cyan:#00C2A8;
  --cyan-light:#3BE0C8;
  --lemon:#FFC53D;
  --ink:#17141A;
  --ink-2:#4A4550;
  --ink-3:#8A8492;
  --bg:#F7F5F3;
  --bg-2:#EFEBE7;
  --card:#FFFFFF;
  --dark:#1A161D;
  --line:rgba(23,20,26,.08);
  --line-soft:rgba(23,20,26,.06);
  --grad:linear-gradient(120deg,#FF4E1A 0%,#FF8A3D 52%,#FFC53D 100%);
  --r-lg:28px;
  --r-md:18px;
  --r-sm:14px;
  --pill:999px;
  --sh-card:0 10px 30px rgba(23,20,26,.07);
  --sh-hover:0 18px 44px rgba(255,78,26,.16);
  --sh-dock:0 12px 40px rgba(23,20,26,.12);
  --ease:cubic-bezier(.22,.7,.28,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;}
p{margin:0 0 16px;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(255,78,26,.18);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 顶部浮动 Dock ---------- */
.dock{
  position:fixed;
  top:20px;left:0;right:0;
  z-index:120;
  padding:0 20px;
  transition:top .3s var(--ease);
}
.dock__inner{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 18px;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(23,20,26,.07);
  border-radius:var(--pill);
  box-shadow:var(--sh-dock);
  transition:padding .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
.dock.is-scrolled .dock__inner{padding:6px 12px 6px 16px;box-shadow:0 14px 40px rgba(23,20,26,.18);background:rgba(255,255,255,.94);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:12px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;
  box-shadow:0 6px 16px rgba(255,78,26,.32);
}
.brand__text{font-size:16px;font-weight:800;letter-spacing:-.01em;line-height:1.2;display:flex;flex-direction:column;}
.brand__text small{font-size:9px;font-weight:600;letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase;}
.dock__nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock__nav a{
  position:relative;
  padding:9px 14px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  border-radius:var(--pill);
  white-space:nowrap;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.dock__nav a:hover{color:var(--ink);background:rgba(23,20,26,.05);}
.dock__nav a.is-active{color:#fff;background:var(--grad);box-shadow:0 6px 16px rgba(255,78,26,.3);}
.dock__actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  border:1px solid rgba(23,20,26,.1);
  background:#fff;color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:15px;
  transition:all .22s var(--ease);
}
.icon-btn:hover{color:var(--brand-deep);border-color:rgba(255,78,26,.4);box-shadow:0 8px 20px rgba(255,78,26,.16);}
.dock__searchbar{
  max-width:1180px;margin:10px auto 0;
  display:none;align-items:center;gap:10px;
  background:rgba(255,255,255,.96);
  border:1px solid rgba(23,20,26,.08);
  border-radius:var(--pill);
  padding:8px 10px 8px 18px;
  box-shadow:var(--sh-dock);
}
.dock__searchbar.is-open{display:flex;}
.dock__searchbar input{
  flex:1;border:0;background:transparent;font-size:15px;outline:none;height:38px;color:var(--ink);
}
.dock__searchbar input::placeholder{color:var(--ink-3);}
.dock__searchbar:focus-within{border-color:rgba(255,78,26,.5);box-shadow:0 0 0 3px rgba(255,78,26,.12),var(--sh-dock);}
.dock__burger{display:none;}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:200;
  background:rgba(23,20,26,.55);
  backdrop-filter:blur(6px);
  opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease);
}
.drawer.is-open{opacity:1;pointer-events:auto;}
.drawer__panel{
  position:absolute;left:0;right:0;bottom:0;
  background:#fff;border-radius:28px 28px 0 0;
  padding:22px 20px calc(22px + env(safe-area-inset-bottom));
  transform:translateY(100%);
  transition:transform .34s var(--ease);
  max-height:88vh;overflow-y:auto;
}
.drawer.is-open .drawer__panel{transform:translateY(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.drawer__panel a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  font-size:18px;font-weight:600;line-height:56px;
  border-bottom:1px solid var(--line);
  color:var(--ink);
}
.drawer__panel a.m-link.is-active{color:var(--brand-deep);}
.drawer__panel a.m-link i{color:var(--ink-3);font-size:14px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;
  border-radius:var(--pill);
  font-size:15px;font-weight:700;
  padding:0 26px;height:50px;
  transition:all .22s var(--ease);
  white-space:nowrap;
  text-align:center;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(255,78,26,.3);}
.btn--primary:hover{color:#fff;filter:brightness(1.05);box-shadow:0 16px 34px rgba(255,78,26,.38);transform:translateY(-1px);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{background:#fff;color:var(--ink);border:1px solid rgba(23,20,26,.12);}
.btn--ghost:hover{color:var(--brand-deep);border-color:rgba(255,78,26,.45);box-shadow:0 12px 28px rgba(23,20,26,.1);}
.btn--ghost:active{transform:translateY(1px);}
.btn--sm{height:42px;padding:0 18px;font-size:14px;}
.btn--text{background:transparent;color:var(--brand-deep);padding:0 4px;height:auto;}
.btn--text:hover{color:var(--brand);gap:12px;}
.btn--onDark{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.22);}
.btn--onDark:hover{background:rgba(255,255,255,.18);color:#fff;}

/* 徽章 / 标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--pill);
  font-size:13px;font-weight:600;line-height:1.5;
  border:1px solid rgba(0,194,168,.32);
  background:rgba(0,194,168,.07);
  color:#017a6b;
}
.badge--grad{background:var(--grad);color:#fff;border:0;box-shadow:0 6px 16px rgba(255,78,26,.28);}
.badge--lemon{background:rgba(255,197,61,.18);border-color:rgba(255,197,61,.5);color:#8a6100;}
.badge--plain{background:rgba(23,20,26,.05);border-color:transparent;color:var(--ink-2);}
.tag{
  display:inline-block;padding:6px 14px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  font-size:13px;font-weight:600;transition:all .22s var(--ease);
}
.tag:hover{color:var(--brand-deep);border-color:rgba(255,78,26,.4);}

/* ---------- 面包屑 ---------- */
.crumb{padding:118px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.crumb a{color:var(--ink-2);font-weight:600;}
.crumb a:hover{color:var(--brand-deep);}
.crumb li[aria-current]{color:var(--ink);font-weight:700;}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  margin-top:20px;
  border-radius:32px;
  overflow:hidden;
  background:var(--dark);
  min-height:340px;
  display:flex;align-items:flex-end;
  isolation:isolate;
}
.cat-hero__bg{position:absolute;inset:0;z-index:-2;}
.cat-hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.42;}
.cat-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(26,22,29,.25) 0%,rgba(26,22,29,.82) 62%,rgba(26,22,29,.94) 100%);
}
.cat-hero__inner{padding:52px 44px 46px;color:#fff;width:100%;}
.cat-hero h1{
  font-size:clamp(30px,4.4vw,48px);font-weight:800;line-height:1.16;letter-spacing:-.02em;
  margin:16px 0 14px;color:#fff;max-width:820px;
}
.cat-hero p{font-size:16.5px;color:rgba(255,255,255,.78);max-width:660px;margin-bottom:26px;}
.cat-hero__meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.chip-dark{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:13.5px;font-weight:600;
}
.chip-dark strong{color:var(--lemon);font-size:16px;font-weight:800;}

/* ---------- 主体栅格 ---------- */
.layout{
  display:grid;
  grid-template-columns:250px 1fr;
  gap:48px;
  padding:64px 0 8px;
  align-items:start;
}
.toc{
  position:sticky;top:112px;
  background:#fff;border:1px solid var(--line);border-radius:24px;
  padding:22px 20px;box-shadow:var(--sh-card);
}
.toc h2{font-size:15px;font-weight:800;letter-spacing:.04em;color:var(--ink-3);margin-bottom:14px;}
.toc ol{counter-reset:toc;}
.toc li{counter-increment:toc;}
.toc a{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px 10px;border-radius:12px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  transition:all .2s var(--ease);
}
.toc a::before{
  content:counter(toc,decimal-leading-zero);
  font-size:12px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;
  padding-top:3px;
}
.toc a:hover,.toc a.is-current{background:#FFF3ED;color:var(--brand-deep);}
.toc__note{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-3);line-height:1.75;}

.section{padding:0 0 56px;}
.section__head{margin-bottom:22px;}
.section__head h2{
  font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.01em;
  display:flex;align-items:center;gap:12px;
}
.section__head h2::before{
  content:"";width:5px;height:26px;border-radius:3px;background:var(--grad);flex:0 0 5px;
}
.section__head p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:760px;}
.prose p{font-size:16.5px;line-height:1.9;color:var(--ink-2);}
.prose strong{color:var(--ink);font-weight:700;}

/* 图文大卡 */
.media-card{
  display:grid;grid-template-columns:1.05fr 1fr;
  background:#fff;border-radius:26px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-card);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
  margin-bottom:24px;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.media-card__img{position:relative;min-height:260px;overflow:hidden;background:var(--grad);}
.media-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.media-card:hover .media-card__img img{transform:scale(1.03);}
.media-card__body{padding:28px 30px;display:flex;flex-direction:column;justify-content:center;}
.media-card__body h3{font-size:21px;margin:12px 0 10px;}
.media-card__body p{font-size:15px;color:var(--ink-2);line-height:1.85;margin-bottom:0;}

/* 指标列表 */
.metric-list{background:#fff;border-radius:26px;border:1px solid var(--line);box-shadow:var(--sh-card);padding:8px 26px;margin-bottom:24px;}
.metric-row{
  display:grid;grid-template-columns:44px 1fr auto;
  gap:16px;align-items:center;
  padding:18px 0;border-bottom:1px solid var(--line-soft);
}
.metric-row:last-child{border-bottom:0;}
.metric-row__no{
  width:44px;height:44px;border-radius:var(--pill);
  background:var(--grad);color:#fff;font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
  box-shadow:0 6px 16px rgba(255,78,26,.26);
}
.metric-row h4{font-size:16.5px;font-weight:700;margin-bottom:4px;}
.metric-row p{font-size:14px;color:var(--ink-3);margin:0;line-height:1.7;}
.metric-row__val{
  font-size:22px;font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.metric-row__val small{font-size:12px;color:var(--ink-3);font-weight:600;margin-left:2px;}

/* 数据卡网格 */
.datacard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:12px;}
.datacard{
  background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:24px;box-shadow:var(--sh-card);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
  display:flex;flex-direction:column;
}
.datacard:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,78,26,.18);}
.datacard__top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;}
.datacard h3{font-size:17.5px;margin-bottom:8px;}
.datacard p{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:16px;}
.datacard__foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}
.datacard__foot i{color:var(--brand);transition:transform .22s var(--ease);}
.datacard:hover .datacard__foot i{transform:translateX(4px);}
.datacard__icon{
  width:44px;height:44px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:#FFF3ED;color:var(--brand-deep);font-size:17px;flex:0 0 44px;
}

/* 时间轴 */
.timeline{position:relative;padding-left:26px;margin-bottom:12px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(255,78,26,.5),rgba(0,194,168,.35));
  border-radius:2px;
}
.timeline li{position:relative;padding:0 0 22px 0;}
.timeline li:last-child{padding-bottom:0;}
.timeline li::before{
  content:"";position:absolute;left:-24px;top:8px;
  width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
  box-shadow:0 0 0 3px rgba(255,78,26,.12);
}
.timeline__time{font-size:13px;font-weight:800;color:var(--brand-deep);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.timeline__title{font-size:16px;font-weight:700;margin:4px 0 4px;}
.timeline__desc{font-size:14px;color:var(--ink-3);line-height:1.75;margin:0;}

/* 数据统计带 */
.stats-band{
  background:var(--dark);
  border-radius:32px;
  padding:48px 44px;
  color:#fff;
  position:relative;
  overflow:hidden;
  margin:24px 0 56px;
}
.stats-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,78,26,.42),transparent 66%);
}
.stats-band__head{position:relative;margin-bottom:30px;max-width:680px;}
.stats-band__head h2{font-size:clamp(22px,2.6vw,30px);color:#fff;}
.stats-band__head p{color:rgba(255,255,255,.68);font-size:15px;margin:10px 0 0;}
.stats-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:22px;padding:22px;
}
.stat__num{
  font-size:clamp(26px,3.4vw,38px);font-weight:800;color:var(--lemon);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat__num small{font-size:14px;font-weight:600;color:rgba(255,255,255,.7);margin-left:4px;}
.stat__label{font-size:14px;color:#fff;font-weight:600;margin-top:10px;}
.stat__sub{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:4px;}

/* FAQ */
.faq{border-radius:26px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--sh-card);}
.faq__item{border-bottom:1px solid var(--line-soft);}
.faq__item:last-child{border-bottom:0;}
.faq__q{
  width:100%;background:transparent;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);
  transition:background .24s var(--ease),color .24s var(--ease);
}
.faq__q:hover{background:#FFF8F4;color:var(--brand-deep);}
.faq__sign{
  width:32px;height:32px;flex:0 0 32px;border-radius:50%;
  border:1px solid rgba(23,20,26,.12);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;color:var(--brand-deep);
  transition:all .28s var(--ease);
}
.faq__a{max-height:0;overflow:hidden;transition:max-height .36s var(--ease);}
.faq__a p{padding:0 26px 22px;margin:0;font-size:15px;line-height:1.9;color:var(--ink-2);}
.faq__item.is-open{background:#FFF3ED;}
.faq__item.is-open .faq__q{color:var(--brand-deep);}
.faq__item.is-open .faq__sign{background:var(--grad);color:#fff;border-color:transparent;transform:rotate(45deg);}

/* CTA 带 */
.cta{
  background:var(--dark);border-radius:32px;
  padding:56px 48px;color:#fff;
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.25fr 1fr;gap:40px;align-items:center;
  margin-bottom:72px;
}
.cta::before{
  content:"";position:absolute;left:-140px;bottom:-160px;width:400px;height:400px;
  border-radius:50%;background:radial-gradient(circle,rgba(0,194,168,.32),transparent 68%);
}
.cta__body{position:relative;}
.cta h2{font-size:clamp(24px,3vw,34px);color:#fff;letter-spacing:-.01em;}
.cta p{color:rgba(255,255,255,.7);font-size:15.5px;margin:14px 0 26px;max-width:520px;}
.cta__actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta__panel{
  position:relative;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:24px;padding:26px;
}
.cta__panel h3{font-size:17px;color:#fff;margin-bottom:8px;}
.cta__panel p{font-size:13.5px;color:rgba(255,255,255,.6);margin:0 0 16px;}
.sub-form{display:flex;gap:10px;}
.sub-form input{
  flex:1;height:48px;border-radius:var(--pill);
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);color:#fff;
  padding:0 18px;font-size:14.5px;outline:none;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.sub-form input::placeholder{color:rgba(255,255,255,.5);}
.sub-form input:focus{border-color:var(--brand-mid);background:rgba(255,255,255,.14);}
.sub-tip{
  margin-top:12px;font-size:13.5px;color:#04241f;
  background:var(--cyan-light);border-radius:12px;padding:9px 14px;
  display:none;
}
.sub-tip.is-show{display:block;}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:44px;}
.footer .brand__text{color:#fff;}
.footer .brand__text small{color:rgba(255,255,255,.45);}
.footer .desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin:16px 0 0;max-width:320px;}
.footer h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer ul li{margin-bottom:10px;}
.footer a{color:rgba(255,255,255,.68);font-size:14.5px;}
.footer a:hover{color:var(--lemon);}
.footer__sub form{display:flex;gap:8px;margin-top:14px;}
.footer__sub input{
  flex:1;height:44px;border-radius:var(--pill);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.07);color:#fff;
  padding:0 16px;font-size:14px;outline:none;
}
.footer__sub input::placeholder{color:rgba(255,255,255,.45);}
.footer__sub input:focus{border-color:var(--brand-mid);}
.footer__tip{display:none;margin-top:10px;font-size:13px;color:#04241f;background:var(--cyan-light);border-radius:10px;padding:8px 12px;}
.footer__tip.is-show{display:block;}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .layout{grid-template-columns:220px 1fr;gap:32px;}
  .datacard-grid{grid-template-columns:repeat(2,1fr);}
  .footer__grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer__sub{grid-column:1/-1;}
}
@media screen and (max-width:991px){
  .dock__nav{display:none;}
  .dock__burger{display:inline-flex;}
  .dock__inner{justify-content:space-between;}
  .layout{grid-template-columns:1fr;gap:28px;}
  .toc{position:static;}
  .toc ol{display:grid;grid-template-columns:repeat(2,1fr);gap:4px;}
  .toc__note{display:none;}
  .cat-hero__inner{padding:40px 28px 36px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .cta{grid-template-columns:1fr;padding:44px 30px;}
  .media-card{grid-template-columns:1fr;}
  .media-card__img{min-height:210px;}
  .stats-band{padding:38px 28px;border-radius:26px;}
}
@media screen and (max-width:767px){
  .dock{top:12px;padding:0 12px;}
  .dock__inner{padding:8px 8px 8px 12px;}
  .brand__text{font-size:14px;}
  .brand__text small{display:none;}
  .crumb{padding-top:96px;}
  .cat-hero{margin-top:14px;border-radius:24px;min-height:300px;}
  .cat-hero__inner{padding:32px 20px 30px;}
  .layout{padding-top:44px;}
  .datacard-grid{grid-template-columns:1fr;}
  .metric-list{padding:4px 18px;}
  .metric-row{grid-template-columns:38px 1fr;gap:12px;}
  .metric-row__val{grid-column:2;font-size:19px;}
  .metric-row__no{width:38px;height:38px;flex:0 0 38px;font-size:13px;}
  .stats-grid{grid-template-columns:1fr;}
  .faq__q{padding:18px;font-size:15.5px;}
  .faq__a p{padding:0 18px 18px;}
  .footer__grid{grid-template-columns:1fr;gap:24px;}
  .footer__bottom{flex-direction:column;}
  .sub-form{flex-direction:column;}
  .sub-form input{width:100%;}
}
@media screen and (max-width:519px){
  .container{padding:0 16px;}
  .toc ol{grid-template-columns:1fr;}
  .cta{padding:34px 20px;border-radius:24px;}
  .stats-band{padding:30px 20px;}
  .cat-hero h1{font-size:28px;}
}

/* roulang page: category3 */
/* ===================== 设计变量 ===================== */
:root{
  --orange:#FF4E1A;
  --orange-deep:#E23A0B;
  --cyan:#00C2A8;
  --cyan-light:#3BE0C8;
  --yellow:#FFC53D;
  --ink:#17141A;
  --ink-2:#4A4550;
  --ink-3:#8A8492;
  --bg:#F7F5F3;
  --bg-2:#EFEBE7;
  --card:#FFFFFF;
  --dark:#1A161D;
  --line:rgba(23,20,26,.08);
  --line-strong:rgba(23,20,26,.12);
  --grad:linear-gradient(120deg,#FF4E1A 0%,#FF8A3D 55%,#FFC53D 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-card:0 10px 30px rgba(23,20,26,.07);
  --sh-hover:0 18px 44px rgba(255,78,26,.16);
  --sh-dock:0 12px 40px rgba(23,20,26,.12);
  --sec:88px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--orange-deep);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--ink);}
h1,h2,h3,h4{margin:0;line-height:1.25;color:var(--ink);font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(255,78,26,.22);}

/* 覆盖 Foundation 默认外观 */
.button,.button:hover{background:var(--orange);color:#fff;}
input[type="text"],input[type="search"],input[type="email"]{border-radius:var(--r-sm);}
.accordion,.accordion-item{background:transparent;border:0;}

/* ===================== 容器与通用 ===================== */
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:var(--sec) 0;}
.section--alt{background:var(--bg-2);}
.section--tight{padding:56px 0;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:700;letter-spacing:.06em;
  color:var(--orange-deep);
  background:rgba(255,78,26,.10);
  border:1px solid rgba(255,78,26,.20);
  padding:7px 15px;border-radius:var(--r-pill);
  margin-bottom:16px;
}
.eyebrow--cyan{color:#018b7a;background:rgba(0,194,168,.10);border-color:rgba(0,194,168,.28);}

.section__head{max-width:720px;margin-bottom:40px;}
.section__head h2{font-size:clamp(24px,3.2vw,34px);font-weight:700;letter-spacing:-.01em;}
.section__head p{margin-top:14px;color:var(--ink-2);font-size:16.5px;}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:700;letter-spacing:.01em;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(255,78,26,.30);}
.btn--primary:hover{color:#fff;filter:brightness(1.05);box-shadow:0 14px 34px rgba(255,78,26,.38);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{background:#fff;color:var(--ink);border:1px solid var(--line-strong);box-shadow:var(--sh-card);}
.btn--ghost:hover{color:var(--orange-deep);border-color:rgba(255,78,26,.35);}
.btn--ghost:active{transform:translateY(1px);}
.btn--sm{padding:10px 20px;font-size:14.5px;}
.btn--block{display:flex;width:100%;}
.btn--link{
  display:inline-flex;align-items:center;gap:6px;
  padding:0;font-weight:700;color:var(--orange-deep);font-size:15px;
}
.btn--link i{transition:transform .22s var(--ease);font-size:13px;}
.btn--link:hover i{transform:translateX(4px);}

/* ===================== 浮动 Dock 导航 ===================== */
.dock{
  position:fixed;top:24px;left:0;right:0;z-index:80;
  padding:0 20px;
  pointer-events:none;
}
.dock__inner{
  pointer-events:auto;
  max-width:1160px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 20px;
  background:rgba(255,255,255,.84);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);
  transition:padding .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
body.is-scrolled .dock__inner{
  padding:6px 10px 6px 16px;
  box-shadow:0 16px 46px rgba(23,20,26,.16);
  background:rgba(255,255,255,.94);
}

.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand__mark{
  width:40px;height:40px;flex-shrink:0;
  border-radius:13px;
  background:var(--grad);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;
  box-shadow:0 8px 20px rgba(255,78,26,.32);
}
.brand__text{
  display:flex;flex-direction:column;
  font-size:16px;font-weight:800;line-height:1.15;letter-spacing:-.01em;color:var(--ink);
}
.brand__text small{
  font-size:10px;font-weight:600;letter-spacing:.14em;color:var(--ink-3);margin-top:3px;
}

.dock__nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock__nav a{
  position:relative;
  padding:10px 15px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:background .22s var(--ease),color .22s var(--ease);
}
.dock__nav a:hover{color:var(--ink);background:rgba(23,20,26,.05);}
.dock__nav a.is-active{color:var(--orange-deep);background:rgba(255,78,26,.10);}
.dock__nav a.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:5px;height:2.5px;
  border-radius:3px;background:var(--grad);
}

.dock__actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--ink-2);background:rgba(23,20,26,.05);
  font-size:15px;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.icon-btn:hover{background:rgba(255,78,26,.12);color:var(--orange-deep);transform:translateY(-1px);}
.dock__burger{display:none;width:42px;height:42px;border-radius:50%;background:rgba(23,20,26,.05);align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.dock__burger span{display:block;width:17px;height:2px;border-radius:2px;background:var(--ink);}
.dock__burger span:nth-child(2){width:12px;}

.dock__search{
  pointer-events:auto;
  max-width:1160px;margin:10px auto 0;
  display:none;
  padding:8px;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);
}
.dock__search.is-open{display:flex;gap:8px;}
.dock__search input{
  flex:1;border:0;background:var(--bg-2);border-radius:var(--r-pill);
  padding:12px 20px;font-size:15px;outline:none;
}
.dock__search input:focus{box-shadow:inset 0 0 0 2px rgba(255,78,26,.5);}
.dock__search button{
  padding:12px 22px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;
}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(26,22,29,.97);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  padding:26px 22px 40px;
  display:flex;flex-direction:column;gap:22px;
  transform:translateY(100%);
  opacity:0;visibility:hidden;
  transition:transform .38s var(--ease),opacity .3s var(--ease),visibility .3s;
  overflow-y:auto;
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer__head{display:flex;align-items:center;justify-content:space-between;}
.drawer__head .brand__text{color:#fff;}
.drawer__head .brand__text small{color:rgba(255,255,255,.5);}
.drawer .icon-btn{background:rgba(255,255,255,.12);color:#fff;}
.drawer__nav{display:flex;flex-direction:column;border-top:1px solid rgba(255,255,255,.10);}
.drawer__nav a{
  color:rgba(255,255,255,.86);
  font-size:18px;font-weight:600;line-height:56px;
  border-bottom:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer__nav a::after{content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:rgba(255,255,255,.35);}
.drawer__nav a.is-active{color:var(--yellow);}
.drawer__nav a.is-active::after{color:var(--yellow);}
.drawer__search input{
  width:100%;padding:15px 20px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;outline:none;
}
.drawer__search input::placeholder{color:rgba(255,255,255,.45);}

/* ===================== 页面首屏 ===================== */
.page-hero{
  position:relative;
  padding:168px 0 64px;
  background:
    radial-gradient(720px 340px at 84% 6%, rgba(255,78,26,.20), transparent 68%),
    radial-gradient(460px 280px at 6% 2%, rgba(0,194,168,.13), transparent 72%),
    linear-gradient(180deg,#FFFFFF 0%, var(--bg) 82%);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(23,20,26,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(23,20,26,.035) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 76%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 76%);
}
.page-hero .container{position:relative;z-index:2;}

.breadcrumb{
  display:flex;align-items:center;gap:9px;
  font-size:13.5px;color:var(--ink-3);margin-bottom:26px;
}
.breadcrumb a{color:var(--ink-2);font-weight:600;}
.breadcrumb a:hover{color:var(--orange-deep);}
.breadcrumb span{color:var(--ink-3);}

.page-hero h1{
  font-size:clamp(30px,4.6vw,50px);
  font-weight:800;line-height:1.15;letter-spacing:-.02em;
  max-width:800px;
}
.page-hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.page-hero .lead{
  margin-top:20px;max-width:660px;
  font-size:17.5px;line-height:1.85;color:var(--ink-2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px;}
.stat-chip{
  display:inline-flex;align-items:center;gap:14px;
  padding:14px 22px;border-radius:var(--r-pill);
  background:#fff;border:1px solid rgba(0,194,168,.32);
  box-shadow:var(--sh-card);
}
.stat-chip b{
  font-size:26px;font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1;
}
.stat-chip b i{font-style:normal;font-size:14px;font-weight:700;color:var(--ink-3);margin-left:3px;}
.stat-chip span{font-size:13.5px;color:var(--ink-2);}

/* ===================== 筛选胶囊 ===================== */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:16px;border-radius:var(--r-xl);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-card);
  margin-bottom:32px;
}
.filter-bar__label{font-size:13.5px;font-weight:700;color:var(--ink-3);padding:0 8px 0 6px;letter-spacing:.04em;}
.filter-pill{
  padding:10px 20px;border-radius:var(--r-pill);
  background:var(--bg);border:1px solid var(--line);
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  transition:all .22s var(--ease);
}
.filter-pill:hover{border-color:rgba(255,78,26,.35);color:var(--orange-deep);}
.filter-pill.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(255,78,26,.28);}

/* ===================== 宫格瓷砖 ===================== */
.tile-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.tile{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  min-height:300px;border-radius:var(--r-xl);overflow:hidden;
  background:var(--dark);
  box-shadow:var(--sh-card);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.tile:hover img{transform:scale(1.04);}
.tile::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,20,26,.06) 0%,rgba(23,20,26,.66) 58%,rgba(23,20,26,.93) 100%);
}
.tile__body{position:relative;z-index:2;padding:26px;color:#fff;}
.tile__tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.03em;
  background:rgba(0,194,168,.18);border:1px solid rgba(0,194,168,.55);color:var(--cyan-light);
  margin-bottom:12px;
}
.tile__body h3{font-size:21px;font-weight:700;color:#fff;letter-spacing:-.01em;}
.tile__body p{margin-top:10px;font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.76);max-width:560px;}
.tile__meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:14px;border-top:1px solid rgba(255,255,255,.16);
  font-size:13px;color:rgba(255,255,255,.62);
}
.tile__meta .more{display:inline-flex;align-items:center;gap:7px;color:var(--yellow);font-weight:700;}
.tile:hover .tile__meta .more i{transform:translateX(4px);}
.tile__meta .more i{transition:transform .25s var(--ease);font-size:12px;}

.tile--w7{grid-column:span 7;}
.tile--w5{grid-column:span 5;}
.tile--w4{grid-column:span 4;}
.tile--tall{min-height:430px;}
.tile--mid{min-height:360px;}

/* ===================== 参数核对清单 ===================== */
.checklist{
  background:#fff;border-radius:var(--r-xl);
  border:1px solid var(--line);box-shadow:var(--sh-card);
  padding:12px 28px;
}
.checklist__row{
  display:flex;gap:20px;align-items:flex-start;
  padding:24px 0;border-bottom:1px solid var(--line);
}
.checklist__row:last-child{border-bottom:0;}
.checklist__num{
  flex-shrink:0;width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;color:var(--orange-deep);
  background:rgba(255,78,26,.08);
  border:2px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  font-variant-numeric:tabular-nums;
}
.checklist__row h3{font-size:18.5px;font-weight:700;}
.checklist__row p{margin-top:8px;font-size:15.5px;color:var(--ink-2);line-height:1.85;}

/* ===================== 场景搭配卡 ===================== */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene-card{
  background:#fff;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-card);
  display:flex;flex-direction:column;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.scene-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--dark);}
.scene-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.scene-card:hover .scene-card__media img{transform:scale(1.04);}
.scene-card__media .tile__tag{position:absolute;left:16px;top:16px;margin:0;background:rgba(23,20,26,.62);border-color:rgba(0,194,168,.5);}
.scene-card__body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.scene-card__body h3{font-size:19.5px;font-weight:700;}
.scene-card__body p{font-size:15px;color:var(--ink-2);line-height:1.8;}
.scene-card__list{display:flex;flex-direction:column;gap:9px;margin-top:2px;}
.scene-card__list li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-2);
}
.scene-card__list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:7px;height:7px;border-radius:50%;background:var(--cyan);
}
.scene-card__body .btn--link{margin-top:auto;padding-top:8px;}

/* ===================== FAQ ===================== */
.faq{display:flex;flex-direction:column;gap:14px;max-width:920px;}
.faq__item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-card);overflow:hidden;
  transition:background .3s var(--ease),border-color .3s var(--ease);
}
.faq__item.is-open{background:#FFF3ED;border-color:rgba(255,78,26,.22);}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  text-align:left;padding:22px 24px;
  font-size:17px;font-weight:700;color:var(--ink);
  line-height:1.5;
}
.faq__q:hover{color:var(--orange-deep);}
.faq__icon{
  flex-shrink:0;width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,78,26,.10);color:var(--orange-deep);
  font-size:14px;transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
}
.faq__item.is-open .faq__icon{transform:rotate(45deg);background:var(--grad);color:#fff;}
.faq__a{max-height:0;overflow:hidden;transition:max-height .38s var(--ease);}
.faq__a p{padding:0 24px 24px;font-size:15px;line-height:1.9;color:var(--ink-2);}

/* ===================== 订阅带 ===================== */
.subscribe-band{
  background:var(--dark);
  padding:72px 0;
  position:relative;overflow:hidden;
}
.subscribe-band::before{
  content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,78,26,.34),transparent 68%);
  pointer-events:none;
}
.subscribe-band__box{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
}
.subscribe-band h2{color:#fff;font-size:clamp(24px,3vw,32px);font-weight:700;letter-spacing:-.01em;}
.subscribe-band p{margin-top:14px;color:rgba(255,255,255,.68);font-size:16px;max-width:560px;}
.subscribe-form{display:flex;gap:12px;}
.subscribe-form input{
  flex:1;min-width:0;padding:16px 22px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
  color:#fff;outline:none;transition:border-color .22s var(--ease),background .22s var(--ease);
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.45);}
.subscribe-form input:focus{border-color:var(--cyan);background:rgba(255,255,255,.13);}
.subscribe-tip{
  display:none;margin-top:16px;padding:12px 20px;border-radius:var(--r-sm);
  background:rgba(0,194,168,.18);border:1px solid rgba(0,194,168,.5);
  color:var(--cyan-light);font-size:14.5px;font-weight:600;
}
.subscribe-tip.is-visible{display:inline-block;}

/* ===================== 页脚 ===================== */
.footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;}
.footer .brand__text{color:#fff;}
.footer .brand__text small{color:rgba(255,255,255,.45);}
.footer .desc{margin-top:18px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px;}
.footer h3{font-size:15.5px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.footer ul{display:flex;flex-direction:column;gap:12px;}
.footer ul a{color:rgba(255,255,255,.66);font-size:14.5px;transition:color .22s var(--ease);}
.footer ul a:hover{color:var(--yellow);}
.footer__sub form{display:flex;gap:10px;margin-top:18px;}
.footer__sub input{
  flex:1;min-width:0;padding:12px 18px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);
  color:#fff;outline:none;font-size:14.5px;
}
.footer__sub input::placeholder{color:rgba(255,255,255,.42);}
.footer__sub input:focus{border-color:var(--cyan);}
.footer__tip{
  display:none;margin-top:14px;font-size:13.5px;color:var(--cyan-light);font-weight:600;
}
.footer__tip.is-visible{display:block;}
.footer__bottom{
  margin-top:56px;padding:24px 0;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ===================== 回到顶部 ===================== */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;color:var(--ink);border:1px solid var(--line);
  box-shadow:var(--sh-dock);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .3s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{color:var(--orange-deep);}

/* ===================== 响应式 ===================== */
@media (max-width:1199px){
  .container{padding:0 20px;}
}
@media (max-width:991px){
  :root{--sec:64px;}
  .dock{top:auto;bottom:0;padding:0 14px 14px;}
  .dock__inner{padding:10px 14px;max-width:none;border-radius:22px;}
  body.is-scrolled .dock__inner{padding:10px 14px;}
  .dock__nav{display:none;}
  .dock__burger{display:flex;}
  .dock__actions .btn{display:none;}
  .dock__search{margin-top:8px;}
  body{padding-bottom:96px;}
  .page-hero{padding:96px 0 52px;}
  .hero-stats{gap:12px;}
  .tile--w7,.tile--w5,.tile--w4{grid-column:span 6;}
  .tile--tall{min-height:360px;}
  .scene-grid{grid-template-columns:1fr;gap:20px;}
  .subscribe-band__box{grid-template-columns:1fr;gap:28px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:36px;}
  .footer .desc{max-width:none;}
  .to-top{bottom:104px;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  body{font-size:16px;}
  .page-hero h1{font-size:clamp(26px,7vw,34px);}
  .page-hero .lead{font-size:16px;}
  .hero-actions .btn{flex:1 1 auto;}
  .tile--w7,.tile--w5,.tile--w4{grid-column:span 12;}
  .tile--tall,.tile--mid{min-height:320px;}
  .tile__body{padding:22px;}
  .checklist{padding:6px 20px;}
  .checklist__row{gap:14px;padding:20px 0;}
  .checklist__num{width:40px;height:40px;font-size:14px;}
  .filter-bar{padding:14px;}
  .filter-bar__label{width:100%;padding-left:2px;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn--primary{width:100%;}
  .footer{padding-top:56px;}
  .footer__grid{grid-template-columns:1fr;gap:32px;}
  .footer__sub form{flex-direction:column;}
  .footer__sub form .btn{width:100%;}
  .footer__bottom{flex-direction:column;gap:8px;}
  .faq__q{font-size:16px;padding:18px 18px;}
  .faq__a p{padding:0 18px 20px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand__text{font-size:14.5px;}
  .brand__text small{font-size:9px;letter-spacing:.1em;}
  .brand__mark{width:36px;height:36px;border-radius:12px;font-size:15px;}
  .stat-chip{padding:12px 18px;gap:10px;}
  .stat-chip b{font-size:22px;}
  .hero-stats{width:100%;}
  .stat-chip{flex:1 1 100%;}
}