/* roulang page: index */
:root{
  --cherry:#C2103C;
  --cherry-fresh:#FF3D62;
  --pink:#FFD6DE;
  --pit:#1A1114;
  --bg:#FFF8F6;
  --bg2:#F6EFEE;
  --leaf:#2E6B4F;
  --text:rgba(26,17,20,.78);
  --text-strong:#1A1114;
  --text-mute:rgba(26,17,20,.52);
  --border:rgba(26,17,20,.08);
  --radius-card:16px;
  --radius-img:12px;
  --shadow-soft:0 1px 2px rgba(26,17,20,.04),0 12px 32px rgba(26,17,20,.06);
  --shadow-hover:0 20px 48px rgba(194,16,60,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{color:var(--text-strong);margin:0;font-weight:700;}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
button,input{font-family:inherit;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cherry);outline-offset:3px;border-radius:6px;}
.container-xl{max-width:1200px;margin:0 auto;padding:0 20px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 通用按钮 ---------- */
.btn-cherry{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--cherry);color:#fff;border:1px solid var(--cherry);
  border-radius:999px;padding:12px 28px;font-size:15px;font-weight:600;line-height:1.4;
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  cursor:pointer;
}
.btn-cherry:hover{background:var(--cherry-fresh);border-color:var(--cherry-fresh);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-cherry .arrow{transition:transform .2s var(--ease);}
.btn-cherry:hover .arrow{transform:translateX(4px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:var(--text-strong);border:1px solid var(--border);
  border-radius:999px;padding:12px 26px;font-size:15px;font-weight:600;line-height:1.4;
  transition:all .2s var(--ease);cursor:pointer;
}
.btn-ghost:hover{border-color:var(--cherry);color:var(--cherry);transform:translateY(-2px);}
.btn-ghost-light{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.42);
  border-radius:999px;padding:12px 26px;font-size:15px;font-weight:600;line-height:1.4;
  transition:all .2s var(--ease);
}
.btn-ghost-light:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff;transform:translateY(-2px);}
.btn-block{width:100%;justify-content:center;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,248,246,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(26,17,20,.07);}
.nav-wrap{display:flex;align-items:center;gap:26px;min-height:74px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--cherry);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 36px;
  box-shadow:0 6px 16px rgba(194,16,60,.28);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--pit);line-height:1.1;}
.brand-text em{display:block;font-style:normal;font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--text-mute);margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.main-nav a{
  position:relative;padding:8px 14px;border-radius:999px;font-size:15px;font-weight:600;color:var(--text);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.main-nav a:hover{color:var(--cherry);background:rgba(194,16,60,.06);}
.main-nav a.active{color:var(--cherry);}
.main-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--cherry);
}
.stage-chips{display:flex;align-items:center;gap:8px;margin-left:auto;flex:0 0 auto;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.4;border:1px solid var(--border);color:var(--text);
  background:#fff;transition:all .18s var(--ease);white-space:nowrap;
}
.chip:hover{border-color:var(--cherry);color:var(--cherry);}
.chip-live{background:var(--cherry);border-color:var(--cherry);color:#fff;}
.chip-live:hover{background:var(--cherry-fresh);border-color:var(--cherry-fresh);color:#fff;}
.chip-live .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.9s var(--ease) infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.4;transform:scale(.75);}}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid var(--border);background:#fff;border-radius:999px;
  padding:9px 16px;font-size:14px;font-weight:600;color:var(--pit);cursor:pointer;
  transition:all .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--cherry);color:var(--cherry);}

/* 移动端抽屉 */
.offcanvas{background:var(--bg);border-left:1px solid var(--border);}
.offcanvas-header{border-bottom:1px solid var(--border);padding:20px 22px;}
.offcanvas-body{padding:22px;}
.chips-scroll{
  display:flex;gap:8px;overflow-x:auto;padding-bottom:14px;margin-bottom:18px;
  border-bottom:1px solid var(--border);
  scrollbar-width:none;
}
.chips-scroll::-webkit-scrollbar{display:none;}
.mobile-nav{display:flex;flex-direction:column;gap:2px;}
.mobile-nav a{
  padding:13px 16px;border-radius:12px;font-size:16px;font-weight:600;color:var(--text-strong);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.mobile-nav a:hover,.mobile-nav a.active{background:rgba(194,16,60,.07);color:var(--cherry);}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;padding:96px 0 88px;isolation:isolate;}
.hero-bg{
  position:absolute;inset:-6% 0 -6% 0;z-index:-2;
  background-image:url('/assets/images/backpic/back-1.jpg');
  background-size:cover;background-position:center;
  will-change:transform;
}
.hero-veil{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(160deg,rgba(26,17,20,.76) 0%,rgba(26,17,20,.58) 46%,rgba(26,17,20,.70) 100%);
}
.hero-grid{
  position:absolute;inset:0;z-index:-1;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.28) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.28) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 78% 32%,#000 0%,transparent 72%);
}
.hero-deco{
  position:absolute;z-index:-1;right:-60px;top:40px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,61,98,.4);
}
.hero-deco::after{
  content:"";position:absolute;inset:52px;border-radius:50%;border:1px dashed rgba(255,214,222,.35);
}
.hero-profile{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:26px;}
.hero-avatar{
  width:76px;height:76px;border-radius:24px;flex:0 0 76px;
  background:linear-gradient(145deg,var(--cherry) 0%,var(--cherry-fresh) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 16px 40px rgba(194,16,60,.45);border:2px solid rgba(255,255,255,.35);
}
.hero-ident{display:flex;flex-direction:column;gap:6px;}
.hero-ident .name{display:flex;align-items:center;gap:10px;color:#fff;font-size:22px;font-weight:800;letter-spacing:-.01em;}
.hero-ident .name .verified{
  display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);color:#fff;
}
.hero-ident .meta{font-size:13.5px;color:rgba(255,255,255,.74);font-weight:500;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.26);
  color:#fff;font-size:13.5px;font-weight:600;
}
.hero-badge svg{flex:0 0 auto;}
.hero h1{
  font-size:clamp(2.4rem,6vw,4.4rem);line-height:1.1;font-weight:800;letter-spacing:-.02em;color:#fff;
  max-width:900px;margin-bottom:20px;
}
.hero h1 .hl{color:var(--pink);}
.hero-lead{
  max-width:760px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.84);margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 28px;}
.hero-point{display:inline-flex;align-items:center;gap:9px;font-size:14.5px;color:rgba(255,255,255,.86);font-weight:500;}

/* ---------- 板块基础 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--bg2);}
.section-dark{background:var(--pit);}
.section-dark .sec-title{color:#fff;}
.section-dark .sec-sub{color:rgba(255,255,255,.66);}
.section-dark .sec-num{color:var(--cherry-fresh);}
.sec-head{margin-bottom:40px;}
.sec-num{
  display:block;font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--cherry);
  font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.sec-title{
  position:relative;padding-left:18px;font-size:clamp(1.6rem,3.2vw,2.4rem);line-height:1.25;
  font-weight:700;letter-spacing:-.01em;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:3px;border-radius:3px;background:var(--cherry);
}
.sec-sub{margin-top:14px;max-width:760px;font-size:15.5px;color:var(--text);}
.section-dark .sec-sub{color:rgba(255,255,255,.66);}
.rule{height:1px;background:var(--border);margin:0;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .46s var(--ease),transform .46s var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}

/* ---------- 功能分组 Tab ---------- */
.feat-tabs{display:flex;flex-wrap:wrap;gap:10px;border-bottom:1px solid var(--border);padding-bottom:20px;margin-bottom:34px;}
.feat-tab{
  border:1px solid var(--border);background:#fff;border-radius:999px;padding:10px 22px;
  font-size:14.5px;font-weight:600;color:var(--text);cursor:pointer;transition:all .18s var(--ease);
}
.feat-tab:hover{border-color:var(--cherry);color:var(--cherry);}
.feat-tab.active{background:var(--cherry);border-color:var(--cherry);color:#fff;box-shadow:0 10px 24px rgba(194,16,60,.22);}
.feat-pane{display:none;}
.feat-pane.active{display:block;animation:fadeUp .34s var(--ease);}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.feat-item{
  display:flex;gap:16px;padding:26px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-card);transition:all .22s var(--ease);
}
.feat-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(194,16,60,.2);}
.feat-icon{
  width:46px;height:46px;flex:0 0 46px;border-radius:14px;background:rgba(255,214,222,.5);
  display:flex;align-items:center;justify-content:center;color:var(--cherry);
}
.feat-item h3{font-size:17px;font-weight:700;margin-bottom:8px;line-height:1.45;}
.feat-item p{font-size:14.8px;color:var(--text);}

/* ---------- 使用场景（非对称网格） ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:22px;}
.scene-card{
  grid-column:span 2;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:28px;display:flex;flex-direction:column;gap:14px;transition:all .22s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(194,16,60,.2);}
.scene-card.wide{grid-column:span 3;background:linear-gradient(150deg,#fff 0%,#FFF1F4 100%);}
.scene-tag{
  align-self:flex-start;font-size:12.5px;font-weight:600;padding:5px 13px;border-radius:999px;
  background:rgba(255,214,222,.62);color:var(--cherry);
}
.scene-card h3{font-size:18px;line-height:1.45;}
.scene-card p{font-size:14.8px;color:var(--text);}
.scene-figure{position:relative;border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/9;background:var(--pink);}
.scene-figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.scene-card:hover .scene-figure img{transform:scale(1.03);}

/* ---------- 演示区 ---------- */
.demo-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center;}
.demo-sticky{position:sticky;top:104px;}
.demo-list{display:flex;flex-direction:column;gap:18px;margin-top:28px;}
.demo-list li{display:flex;gap:13px;font-size:15px;color:var(--text);}
.demo-list li span.idx{
  flex:0 0 24px;height:24px;border-radius:8px;background:var(--pink);color:var(--cherry);
  font-size:12.5px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;margin-top:3px;
}
.demo-stage{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--border);background:#fff;box-shadow:var(--shadow-soft);}
.demo-stage .carousel-item img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.demo-stage .carousel-indicators{margin-bottom:14px;}
.demo-stage .carousel-indicators [data-bs-target]{
  width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.62);border:0;opacity:1;margin:0 5px;
  transition:all .2s var(--ease);
}
.demo-stage .carousel-indicators .active{background:var(--cherry-fresh);width:22px;border-radius:999px;}

/* ---------- 指标条 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.metric{
  padding:34px 26px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  transition:all .22s var(--ease);
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.metric-num{
  display:flex;align-items:baseline;gap:6px;font-size:clamp(2.2rem,4.4vw,3rem);font-weight:800;
  color:var(--cherry);line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums;
}
.metric-num .unit{font-size:1rem;font-weight:700;color:var(--text-mute);letter-spacing:0;}
.metric-label{margin-top:12px;font-size:14.6px;color:var(--text);}

/* ---------- 频道入口 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.channel-card{
  display:block;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;transition:all .24s var(--ease);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(194,16,60,.2);}
.channel-figure{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--pink);}
.channel-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s var(--ease);}
.channel-card:hover .channel-figure img{transform:scale(1.03);}
.channel-body{padding:24px;}
.channel-body h3{font-size:18px;margin-bottom:10px;transition:color .2s var(--ease);}
.channel-card:hover .channel-body h3{color:var(--cherry);}
.channel-body p{font-size:14.8px;color:var(--text);}
.channel-meta{display:flex;gap:14px;margin-top:16px;font-size:13px;color:var(--text-mute);font-weight:600;}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.case-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;
  display:flex;flex-direction:column;transition:all .22s var(--ease);
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.case-card:nth-child(2){margin-top:26px;}
.case-card:nth-child(4){margin-top:26px;}
.case-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.case-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.case-body h3{font-size:16.5px;line-height:1.5;}
.case-body p{font-size:14.6px;color:var(--text);flex:1;}
.case-tag{align-self:flex-start;font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:999px;background:var(--bg2);color:var(--text-mute);}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:34px 28px;display:flex;flex-direction:column;transition:all .24s var(--ease);
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.price-card.featured{
  background:var(--pit);border-color:var(--pit);transform:translateY(-8px);
  box-shadow:0 24px 56px rgba(26,17,20,.24);
}
.price-card.featured:hover{transform:translateY(-12px);}
.price-name{font-size:16px;font-weight:700;color:var(--text-strong);}
.price-card.featured .price-name{color:#fff;}
.price-desc{font-size:13.6px;color:var(--text-mute);margin-top:6px;}
.price-card.featured .price-desc{color:rgba(255,214,222,.72);}
.price-amount{display:flex;align-items:baseline;gap:6px;margin:24px 0 6px;}
.price-amount .cur{font-size:16px;font-weight:700;color:var(--cherry);}
.price-card.featured .price-amount .cur{color:var(--cherry-fresh);}
.price-amount .val{font-size:clamp(2.4rem,5vw,3.2rem);font-weight:800;color:var(--pit);line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums;}
.price-card.featured .price-amount .val{color:#fff;}
.price-amount .per{font-size:13.5px;color:var(--text-mute);}
.price-card.featured .price-amount .per{color:rgba(255,214,222,.72);}
.price-cuts{height:1px;background:var(--border);margin:22px 0;}
.price-card.featured .price-cuts{background:rgba(255,255,255,.14);}
.price-list{display:flex;flex-direction:column;gap:13px;flex:1;}
.price-list li{display:flex;gap:10px;font-size:14.6px;color:var(--text);}
.price-card.featured .price-list li{color:rgba(255,214,222,.92);}
.price-list svg{flex:0 0 auto;margin-top:5px;}
.price-card .btn-cherry,.price-card .btn-ghost{margin-top:28px;justify-content:center;}
.price-card.featured .btn-cherry{background:var(--cherry-fresh);border-color:var(--cherry-fresh);}
.price-card.featured .btn-cherry:hover{background:#fff;border-color:#fff;color:var(--pit);}

/* ---------- 评价墙 ---------- */
.review-columns{column-count:3;column-gap:24px;}
.review{
  break-inside:avoid;margin-bottom:24px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-card);padding:26px;transition:all .22s var(--ease);
}
.review:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.review .quote{font-size:30px;line-height:1;color:rgba(194,16,60,.24);font-weight:800;font-family:Georgia,serif;}
.review p{font-size:15px;color:var(--text);margin:8px 0 18px;}
.review-user{display:flex;align-items:center;gap:12px;}
.avatar{
  width:40px;height:40px;flex:0 0 40px;border-radius:50%;
  background:linear-gradient(140deg,var(--pink),#fff);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:var(--cherry);
  border:1px solid rgba(194,16,60,.14);
}
.review-user .name{font-size:14px;font-weight:700;color:var(--text-strong);}
.review-user .role{font-size:12.6px;color:var(--text-mute);}

/* ---------- 用户口碑横滑 ---------- */
.track{display:flex;gap:22px;overflow-x:auto;padding-bottom:14px;scroll-snap-type:x mandatory;scrollbar-width:none;}
.track::-webkit-scrollbar{display:none;}
.track-card{
  flex:0 0 286px;scroll-snap-align:start;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-card);padding:26px;transition:all .22s var(--ease);
}
.track-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.track-card .metric-mini{
  font-size:30px;font-weight:800;color:var(--cherry);line-height:1;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.track-card p{font-size:14.8px;color:var(--text);margin-bottom:18px;}

/* ---------- FAQ ---------- */
.faq{max-width:960px;}
.faq .accordion-item{
  border:1px solid var(--border);border-radius:12px;background:#fff;margin-bottom:12px;overflow:hidden;
}
.faq .accordion-button{
  background:#fff;box-shadow:none;padding:20px 24px;font-size:16px;font-weight:600;color:var(--text-strong);
  display:flex;align-items:center;gap:16px;
}
.faq .accordion-button:not(.collapsed){color:var(--cherry);background:#fff;box-shadow:none;}
.faq .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq .accordion-button::after{display:none;}
.faq .accordion-body{padding:0 24px 22px;font-size:15px;color:var(--text);}
.plus{position:relative;width:16px;height:16px;flex:0 0 16px;margin-left:auto;}
.plus::before,.plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--cherry);border-radius:2px;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.plus::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.plus::after{width:2px;height:14px;transform:translate(-50%,-50%);}
.accordion-button[aria-expanded="true"] .plus::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}

/* ---------- 三步引导 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.steps::before{
  content:"";position:absolute;left:8%;right:8%;top:26px;height:1px;
  background:repeating-linear-gradient(90deg,var(--border) 0 8px,transparent 8px 16px);
}
.step{position:relative;padding-top:0;}
.step-num{
  width:52px;height:52px;border-radius:16px;background:#fff;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;color:var(--cherry);
  margin-bottom:22px;position:relative;z-index:1;font-variant-numeric:tabular-nums;
  transition:all .22s var(--ease);
}
.step:hover .step-num{background:var(--cherry);border-color:var(--cherry);color:#fff;transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.step h3{font-size:17.5px;margin-bottom:10px;}
.step p{font-size:14.8px;color:var(--text);}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;transition:all .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(194,16,60,.2);}
.news-figure{aspect-ratio:16/9;overflow:hidden;background:var(--pink);}
.news-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s var(--ease);}
.news-card:hover .news-figure img{transform:scale(1.03);}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-body h3{
  font-size:16px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);
}
.news-card:hover .news-body h3{color:var(--cherry);}
.news-body p{
  font-size:14.4px;color:var(--text);flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;gap:14px;font-size:13px;color:var(--text-mute);font-weight:600;}

/* ---------- 专题活动时间线 ---------- */
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.tl-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-card);padding:30px;transition:all .22s var(--ease);
}
.tl-card:hover{background:rgba(255,255,255,.09);transform:translateY(-4px);}
.tl-status{display:inline-flex;align-items:center;gap:8px;font-size:12.6px;font-weight:600;padding:5px 13px;border-radius:999px;margin-bottom:18px;}
.tl-status.pre{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.3);color:#fff;}
.tl-status.live{background:var(--cherry);color:#fff;}
.tl-status.replay{background:rgba(46,107,79,.28);border:1px solid rgba(46,107,79,.6);color:#9FE0BF;}
.tl-card h3{color:#fff;font-size:18px;margin-bottom:12px;}
.tl-card p{color:rgba(255,255,255,.7);font-size:14.8px;}

/* ---------- 收尾 CTA ---------- */
.cta-final{position:relative;overflow:hidden;padding:100px 0;isolation:isolate;}
.cta-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-4.jpg');
  background-size:cover;background-position:center;
}
.cta-veil{position:absolute;inset:0;z-index:-1;background:linear-gradient(140deg,rgba(26,17,20,.86),rgba(194,16,60,.72));}
.cta-inner{max-width:760px;margin:0 auto;text-align:center;color:#fff;}
.cta-inner h2{color:#fff;font-size:clamp(1.7rem,3.4vw,2.5rem);line-height:1.3;margin-bottom:16px;}
.cta-inner p{color:rgba(255,255,255,.82);font-size:15.6px;margin-bottom:32px;}
.cta-form{display:flex;gap:12px;max-width:560px;margin:0 auto;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 260px;min-width:0;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.34);
  border-radius:12px;padding:14px 18px;color:#fff;font-size:15px;transition:all .2s var(--ease);
}
.cta-form input::placeholder{color:rgba(255,255,255,.6);}
.cta-form input:focus{outline:none;border-color:#fff;background:rgba(255,255,255,.2);box-shadow:0 0 0 2px rgba(255,214,222,.65);}
.cta-hint{margin-top:18px;font-size:13.4px;color:rgba(255,255,255,.66);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--pit);color:rgba(255,255,255,.68);padding:76px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;}
.footer-brand .brand-text{color:#fff;font-size:17px;}
.footer-brand .brand-text em{color:rgba(255,255,255,.5);}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-col p{font-size:14.4px;line-height:1.85;color:rgba(255,255,255,.62);}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul a{font-size:14.4px;color:rgba(255,255,255,.62);transition:color .18s var(--ease);}
.footer-col ul a:hover{color:var(--cherry-fresh);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:24px 0;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13.4px;color:rgba(255,255,255,.48);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .case-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .scene-card.wide{grid-column:span 3;}
  .scene-card{grid-column:span 3;}
  .channel-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .hero{padding:72px 0 64px;}
  .demo-grid{grid-template-columns:1fr;gap:34px;}
  .demo-sticky{position:static;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .price-grid{grid-template-columns:1fr;gap:20px;}
  .price-card.featured{transform:none;}
  .price-card.featured:hover{transform:translateY(-4px);}
  .steps{grid-template-columns:1fr;gap:28px;}
  .steps::before{display:none;}
  .timeline{grid-template-columns:1fr;}
  .review-columns{column-count:2;}
  .feat-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .cta-final{padding:72px 0;}
}
@media (max-width:767.98px){
  .nav-wrap{min-height:66px;gap:14px;}
  .brand-text{font-size:17px;}
  .hero h1{font-size:clamp(2rem,8vw,2.8rem);}
  .hero-avatar{width:64px;height:64px;flex:0 0 64px;border-radius:20px;}
  .hero-ident .name{font-size:19px;}
  .scene-grid{grid-template-columns:1fr;}
  .scene-card,.scene-card.wide{grid-column:span 1;}
  .channel-grid{grid-template-columns:1fr;}
  .case-grid{grid-template-columns:1fr;}
  .case-card:nth-child(2),.case-card:nth-child(4){margin-top:0;}
  .news-grid{grid-template-columns:1fr;}
  .review-columns{column-count:1;}
  .metric-grid{grid-template-columns:1fr 1fr;gap:16px;}
  .metric{padding:26px 20px;}
}
@media (max-width:575.98px){
  .section{padding:48px 0;}
  .hero{padding:56px 0 52px;}
  .metrics-grid{grid-template-columns:1fr;}
  .metric-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-actions{gap:10px;}
  .btn-cherry,.btn-ghost,.btn-ghost-light{padding:11px 22px;font-size:14.4px;}
  .sec-title{padding-left:14px;font-size:1.4rem;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1 !important;transform:none !important;}
  .hero-bg{transform:none !important;}
}

/* roulang page: category1 */
:root{
  --cherry:#C2103C;
  --cherry-fresh:#FF3D62;
  --pink:#FFD6DE;
  --pit:#1A1114;
  --bg:#FFF8F6;
  --bg2:#F6EFEE;
  --leaf:#2E6B4F;
  --text:rgba(26,17,20,.78);
  --text-strong:#1A1114;
  --text-mute:rgba(26,17,20,.52);
  --border:rgba(26,17,20,.08);
  --radius-card:16px;
  --radius-img:12px;
  --shadow-soft:0 1px 2px rgba(26,17,20,.04),0 12px 32px rgba(26,17,20,.06);
  --shadow-hover:0 20px 48px rgba(194,16,60,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4{margin:0;color:var(--text-strong);letter-spacing:-.01em;}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
button,input{font-family:inherit;}
ul{list-style:none;margin:0;padding:0;}
.container-xl{max-width:1200px;margin:0 auto;padding:0 20px;}

/* ============ 通用按钮 ============ */
.btn-cherry{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--cherry);color:#fff;border:1px solid var(--cherry);
  border-radius:999px;padding:12px 28px;font-size:15px;font-weight:600;line-height:1.4;
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  cursor:pointer;
}
.btn-cherry:hover{background:var(--cherry-fresh);border-color:var(--cherry-fresh);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-cherry .arrow{transition:transform .2s var(--ease);}
.btn-cherry:hover .arrow{transform:translateX(4px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--text-strong);border:1px solid var(--border);
  border-radius:999px;padding:12px 26px;font-size:15px;font-weight:600;line-height:1.4;
  transition:all .2s var(--ease);cursor:pointer;
}
.btn-ghost:hover{border-color:var(--cherry);color:var(--cherry);transform:translateY(-2px);}
.btn-cherry:focus-visible,.btn-ghost:focus-visible,.fchip:focus-visible,.page-link:focus-visible,a:focus-visible{
  outline:2px solid var(--cherry);outline-offset:2px;
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,248,246,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(26,17,20,.07);}
.nav-wrap{display:flex;align-items:center;gap:26px;min-height:74px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--cherry);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 36px;
  box-shadow:0 6px 16px rgba(194,16,60,.28);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--pit);line-height:1.1;}
.brand-text em{display:block;font-style:normal;font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--text-mute);margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.main-nav a{
  position:relative;padding:8px 14px;border-radius:999px;font-size:15px;font-weight:600;color:var(--text);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.main-nav a:hover{color:var(--cherry);background:rgba(194,16,60,.06);}
.main-nav a.active{color:var(--cherry);}
.main-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--cherry);
}
.stage-chips{display:flex;align-items:center;gap:8px;margin-left:auto;flex:0 0 auto;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.4;border:1px solid var(--border);color:var(--text);
  background:#fff;transition:all .18s var(--ease);white-space:nowrap;
}
.chip:hover{border-color:var(--cherry);color:var(--cherry);}
.chip-live{background:var(--cherry);border-color:var(--cherry);color:#fff;}
.chip-live:hover{background:var(--cherry-fresh);border-color:var(--cherry-fresh);color:#fff;}
.chip-live .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.9s var(--ease) infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.75);}}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid var(--border);background:#fff;border-radius:999px;
  padding:9px 16px;font-size:14px;font-weight:600;color:var(--pit);cursor:pointer;
  transition:all .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--cherry);color:var(--cherry);}
.offcanvas{background:var(--bg);border-left:1px solid var(--border);}
.offcanvas-header{border-bottom:1px solid var(--border);padding:20px 22px;}
.offcanvas-body{padding:22px;}
.drawer-close{
  border:1px solid var(--border);background:#fff;border-radius:999px;
  padding:6px 14px;font-size:13px;font-weight:600;color:var(--text);cursor:pointer;
}
.drawer-close:hover{border-color:var(--cherry);color:var(--cherry);}
.chips-scroll{
  display:flex;gap:8px;overflow-x:auto;padding-bottom:14px;margin-bottom:18px;
  border-bottom:1px solid var(--border);scrollbar-width:none;
}
.chips-scroll::-webkit-scrollbar{display:none;}
.mobile-nav{display:flex;flex-direction:column;gap:2px;}
.mobile-nav a{
  padding:13px 16px;border-radius:12px;font-size:16px;font-weight:600;color:var(--text-strong);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.mobile-nav a:hover,.mobile-nav a.active{background:rgba(194,16,60,.07);color:var(--cherry);}

/* ============ 分类页头 ============ */
.cat-head{
  position:relative;overflow:hidden;padding:60px 0 54px;
  border-bottom:1px solid var(--border);
  background:var(--bg2);
}
.cat-head-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.jpg');
  background-size:cover;background-position:center;
  opacity:.16;
}
.cat-head-veil{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(255,248,246,.95) 0%,rgba(255,214,222,.72) 62%,rgba(255,248,246,.9) 100%);
}
.cat-head::before{
  content:"";position:absolute;right:-90px;top:-120px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(194,16,60,.18),rgba(194,16,60,0) 68%);
}
.cat-head::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:34px;
  background-image:radial-gradient(rgba(194,16,60,.22) 1px,transparent 1px);
  background-size:12px 12px;opacity:.5;
}
.cat-head .container-xl{position:relative;z-index:3;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--text-mute);margin-bottom:16px;}
.crumb a{color:var(--text-mute);}
.crumb a:hover{color:var(--cherry);}
.crumb .sep{opacity:.55;}
.crumb .current{color:var(--cherry);}
.cat-head h1{
  font-size:clamp(2rem,4.6vw,3.05rem);font-weight:800;line-height:1.16;letter-spacing:-.02em;
}
.cat-lede{margin-top:14px;max-width:640px;font-size:16px;color:var(--text);}

/* ============ 筛选条 ============ */
.filter-bar{
  position:sticky;top:74px;z-index:20;
  background:rgba(255,248,246,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  padding:14px 0;
}
.filter-inner{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.chips-row{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px 0;}
.chips-row::-webkit-scrollbar{display:none;}
.fchip{
  border:1px solid var(--border);background:#fff;border-radius:999px;
  padding:7px 16px;font-size:13px;font-weight:600;color:var(--text);cursor:pointer;
  white-space:nowrap;transition:all .18s var(--ease);
}
.fchip:hover{border-color:var(--cherry);color:var(--cherry);}
.fchip.active{background:var(--cherry);border-color:var(--cherry);color:#fff;}
.chip-divider{width:1px;height:20px;background:var(--border);flex:0 0 1px;}
.result-count{margin-left:auto;font-size:13px;font-weight:600;color:var(--text-mute);}

/* ============ 通用板块标题 ============ */
.sec{padding:96px 0;}
.sec-alt{background:var(--bg2);}
.sec-head{margin-bottom:38px;}
.sec-no{display:block;font-size:13px;font-weight:700;letter-spacing:.2em;color:var(--cherry);margin-bottom:10px;}
.sec-title{
  position:relative;padding-left:18px;
  font-size:clamp(1.6rem,3.2vw,2.4rem);font-weight:700;line-height:1.25;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;background:var(--cherry);
}
.sec-sub{margin-top:12px;font-size:15px;color:var(--text-mute);max-width:680px;}

/* ============ 卡片列表 ============ */
.media-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;}
.media-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-soft);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(194,16,60,.22);}
.media-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--pink);}
.media-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .32s var(--ease);}
.media-card:hover .media-thumb img{transform:scale(1.03);}
.media-badge{
  position:absolute;left:12px;top:12px;z-index:2;
  background:rgba(26,17,20,.72);color:#fff;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:999px;letter-spacing:.02em;
}
.media-badge.leaf{background:rgba(46,107,79,.86);}
.media-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.media-title{
  font-size:16px;font-weight:600;line-height:1.5;color:var(--text-strong);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);
}
.media-card:hover .media-title{color:var(--cherry);}
.media-desc{
  font-size:14px;line-height:1.7;color:var(--text-mute);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.media-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--border);
  display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--text-mute);
}
.media-meta .dot{width:3px;height:3px;border-radius:50%;background:currentColor;opacity:.6;}

/* ============ 分页 ============ */
.list-pager{margin-top:44px;display:flex;justify-content:center;}
.pagination{display:flex;gap:8px;margin:0;flex-wrap:wrap;justify-content:center;}
.page-link{
  width:42px;height:42px;display:flex;align-items:center;justify-content:center;
  border-radius:50%!important;border:1px solid var(--border);background:#fff;
  color:var(--text-strong);font-size:14px;font-weight:600;padding:0;
  transition:all .18s var(--ease);
}
.page-link:hover{background:var(--pink);border-color:var(--pink);color:var(--cherry);}
.page-item.active .page-link{background:var(--cherry);border-color:var(--cherry);color:#fff;}
.page-item.next .page-link{width:auto;padding:0 20px;border-radius:999px!important;}

/* ============ 精选专题 ============ */
.feature-grid{display:grid;grid-template-columns:2fr 1fr;gap:28px;align-items:stretch;}
.feature-main{
  position:relative;min-height:380px;border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-soft);display:flex;align-items:flex-end;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.feature-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:0;}
.feature-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(26,17,20,.06) 10%,rgba(26,17,20,.84) 100%);
}
.feature-content{position:relative;z-index:2;padding:32px;color:#fff;max-width:520px;}
.feature-tag{
  display:inline-block;background:var(--cherry);color:#fff;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:999px;margin-bottom:14px;
}
.feature-content h3{color:#fff;font-size:clamp(1.15rem,2.2vw,1.5rem);font-weight:700;line-height:1.4;margin-bottom:10px;}
.feature-content p{color:rgba(255,255,255,.82);font-size:14px;line-height:1.75;}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:28px;}
.side-card{
  display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-card);padding:18px;box-shadow:var(--shadow-soft);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.side-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(194,16,60,.22);}
.side-thumb{flex:0 0 104px;aspect-ratio:1/1;border-radius:12px;overflow:hidden;background:var(--pink);}
.side-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.side-card h3{font-size:15px;font-weight:600;line-height:1.5;margin-bottom:6px;}
.side-card p{font-size:13px;color:var(--text-mute);line-height:1.65;}

/* ============ 热榜 ============ */
.rank-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 44px;}
.rank-item{
  display:flex;align-items:center;gap:18px;padding:16px 0;border-bottom:1px solid var(--border);
  transition:border-color .2s var(--ease);
}
.rank-item:hover{border-color:rgba(194,16,60,.3);}
.rank-no{
  flex:0 0 54px;font-size:32px;font-weight:800;line-height:1;color:var(--cherry);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.rank-no.top3{color:var(--cherry-fresh);}
.rank-text{flex:1;min-width:0;}
.rank-text h3{font-size:15px;font-weight:600;line-height:1.5;margin-bottom:4px;}
.rank-text span{font-size:13px;color:var(--text-mute);font-weight:600;}
.rank-badge{
  flex:0 0 auto;font-size:12px;font-weight:600;color:var(--leaf);
  background:rgba(46,107,79,.1);border-radius:999px;padding:3px 10px;
}

/* ============ 使用指南（左粘性 + 右内容） ============ */
.guide-wrap{display:grid;grid-template-columns:5fr 7fr;gap:52px;align-items:start;}
.guide-sticky{position:sticky;top:150px;}
.guide-list{display:flex;flex-direction:column;gap:18px;}
.guide-item{
  display:flex;gap:18px;padding:22px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-card);box-shadow:var(--shadow-soft);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.guide-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.guide-idx{
  flex:0 0 40px;height:40px;border-radius:12px;background:var(--pink);color:var(--cherry);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;
}
.guide-item h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:6px;}
.guide-item p{font-size:14px;color:var(--text-mute);line-height:1.75;}
.guide-links{margin-top:26px;border-top:1px solid var(--border);padding-top:20px;display:flex;flex-direction:column;gap:12px;}
.guide-links a{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--text-strong);
}
.guide-links a:hover{color:var(--cherry);}
.guide-links a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cherry);opacity:.6;flex:0 0 6px;}

/* ============ 场景建议 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;}
.scene-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-soft);display:flex;flex-direction:column;gap:12px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(194,16,60,.22);}
.scene-icon{
  width:44px;height:44px;border-radius:14px;background:var(--pink);color:var(--cherry);
  display:inline-flex;align-items:center;justify-content:center;
}
.scene-card h3{font-size:17px;font-weight:600;line-height:1.45;}
.scene-card p{font-size:14px;color:var(--text-mute);line-height:1.75;}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:8px;}
.tag{
  font-size:12px;font-weight:600;color:var(--cherry);background:rgba(194,16,60,.08);
  border-radius:999px;padding:3px 10px;
}
.tag.green{color:var(--leaf);background:rgba(46,107,79,.1);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  border:1px solid var(--border);border-radius:12px!important;background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:none;
}
.accordion-button{
  background:#fff;color:var(--text-strong);font-size:16px;font-weight:600;line-height:1.6;
  padding:20px 22px;box-shadow:none!important;border-radius:12px!important;
  display:flex;align-items:center;gap:16px;
}
.accordion-button:not(.collapsed){color:var(--cherry);background:rgba(255,214,222,.26);}
.accordion-button::after{display:none;}
.acc-icon{flex:0 0 18px;margin-left:auto;transition:transform .2s var(--ease);}
.acc-vert{transition:opacity .2s var(--ease);}
.accordion-button:not(.collapsed) .acc-vert{opacity:0;}
.accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--text);}
.accordion-button:focus-visible{outline:2px solid var(--cherry);outline-offset:-2px;}

/* ============ 收尾 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  padding:70px 40px;text-align:center;color:#fff;
  box-shadow:var(--shadow-soft);
}
.cta-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.jpg');
  background-size:cover;background-position:center;
}
.cta-veil{
  position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(26,17,20,.86),rgba(194,16,60,.72));
}
.cta-inner{position:relative;z-index:2;max-width:640px;margin:0 auto;}
.cta-inner h2{color:#fff;font-size:clamp(1.6rem,3.2vw,2.3rem);font-weight:700;line-height:1.3;}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.82);font-size:15px;}
.cta-form{
  margin-top:30px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;
}
.cta-input{
  flex:1 1 300px;max-width:360px;background:rgba(255,255,255,.94);
  border:1px solid transparent;border-radius:12px;padding:13px 18px;
  font-size:15px;color:var(--text-strong);transition:box-shadow .2s var(--ease);
}
.cta-input::placeholder{color:var(--text-mute);}
.cta-input:focus{outline:none;box-shadow:0 0 0 2px var(--cherry);}
.cta-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.7);}

/* ============ 页脚 ============ */
.site-footer{background:var(--pit);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.01em;}
.site-footer ul{display:flex;flex-direction:column;gap:10px;}
.site-footer a{font-size:14px;color:rgba(255,255,255,.72);}
.site-footer a:hover{color:#fff;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--cherry);display:inline-flex;align-items:center;justify-content:center;flex:0 0 34px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.5);}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:420px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease);transition-delay:var(--d,0ms);}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .media-grid{gap:24px;}
  .guide-wrap{gap:40px;}
}
@media (max-width:991.98px){
  .sec{padding:64px 0;}
  .filter-bar{top:70px;}
  .media-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .feature-grid{grid-template-columns:1fr;}
  .feature-main{min-height:320px;}
  .feature-side{grid-template-rows:auto;grid-template-columns:1fr 1fr;}
  .rank-grid{grid-template-columns:1fr;gap:0;}
  .guide-wrap{grid-template-columns:1fr;}
  .guide-sticky{position:static;}
  .scene-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .cat-head{padding:48px 0 44px;}
  .filter-inner{gap:12px;}
  .result-count{margin-left:0;}
}
@media (max-width:575.98px){
  .sec{padding:48px 0;}
  .media-grid{grid-template-columns:1fr;gap:20px;}
  .feature-side{grid-template-columns:1fr;}
  .side-thumb{flex:0 0 88px;}
  .scene-grid{grid-template-columns:1fr;}
  .cta-band{padding:52px 22px;border-radius:18px;}
  .cta-form{flex-direction:column;align-items:stretch;}
  .cta-input{max-width:none;flex:1 1 auto;}
  .btn-cherry,.btn-ghost{justify-content:center;}
  .rank-no{flex:0 0 44px;font-size:26px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}