/* roulang page: index */
:root{
  --brand-500:#E0475B;
  --brand-600:#B62F45;
  --accent-400:#FF8A3D;
  --accent-100:#FFE9DC;
  --ink-900:#241B26;
  --ink-600:#5B4F5E;
  --ink-400:#8B7F8D;
  --bg:#FFF7F3;
  --surface:#FFFFFF;
  --line:#F1E2DA;
  --ok:#12B39A;
  --grad:linear-gradient(120deg,#E0475B,#FF8A3D);
  --radius-lg:24px;
  --radius-md:18px;
  --shadow-soft:0 2px 6px rgba(36,27,38,.04),0 12px 32px rgba(224,71,91,.08);
  --shadow-hover:0 4px 10px rgba(36,27,38,.06),0 18px 44px rgba(224,71,91,.16);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink-900);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
section[id]{scroll-margin-top:112px}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:8px}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .3s ease}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(36,27,38,.09)}
.nav-main-inner{display:flex;align-items:center;gap:14px;height:60px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700;font-size:17px;box-shadow:0 6px 16px rgba(224,71,91,.3);flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.16;font-weight:700;font-size:15px;letter-spacing:.2px;white-space:nowrap}
.brand-sub{font-size:10.5px;font-weight:500;color:var(--ink-400);letter-spacing:1.5px}
.nav-search{flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:9px;background:#FFF1EC;border:1.5px solid transparent;border-radius:999px;padding:0 16px;height:40px;transition:border-color .25s,background .25s,box-shadow .25s}
.nav-search i{color:var(--ink-400);font-size:14px}
.nav-search:focus-within{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 4px rgba(224,71,91,.1)}
.nav-search input{flex:1;min-width:0;border:none;background:transparent;outline:none;font-size:14px;color:var(--ink-900)}
.nav-search input::placeholder{color:var(--ink-400)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.nav-download-link{font-size:14px;color:var(--ink-600);padding:6px 10px;border-radius:999px;transition:color .2s,background .2s}
.nav-download-link:hover{color:var(--brand-600);background:#FFF1EC}
.nav-burger{display:none;width:38px;height:38px;border-radius:12px;background:#FFF1EC;color:var(--ink-900);place-items:center;transition:background .2s}
.nav-burger:hover{background:#FFE1DC}
.nav-channels{border-top:1px solid rgba(241,226,218,.75)}
.channels-inner{display:flex;gap:8px;overflow-x:auto;padding-top:7px;padding-bottom:7px;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity}
.channels-inner::-webkit-scrollbar{display:none}
.chan-pill{flex:0 0 auto;scroll-snap-align:start;padding:6px 16px;border-radius:999px;font-size:14px;background:#FFF1EC;color:var(--ink-600);border:1px solid transparent;transition:background .22s,color .22s,box-shadow .22s;white-space:nowrap}
.chan-pill:hover{background:#FFE1DC;color:var(--brand-600)}
.chan-pill.active{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(224,71,91,.26)}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 16px}
.mobile-menu.open{display:block}
.mobile-menu .container{display:flex;flex-direction:column;gap:4px}
.mobile-menu a{padding:10px 14px;border-radius:12px;font-size:15px;color:var(--ink-600);transition:background .2s,color .2s}
.mobile-menu a:hover{background:#FFF1EC;color:var(--brand-600)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;line-height:1;transition:transform .2s,box-shadow .2s,background .2s,color .2s,filter .2s;white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(224,71,91,.3)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 12px 28px rgba(224,71,91,.38)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{border:1.5px solid var(--brand-500);color:var(--brand-600);background:transparent}
.btn-outline:hover{background:#FFF1EC;transform:translateY(-1px)}
.btn-outline:active{transform:scale(.98)}
.btn-ghost{background:#FFF1EC;color:var(--ink-900)}
.btn-ghost:hover{background:#FFE1DC}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.text-link{color:var(--brand-600);font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:6px}
.text-link i{transition:transform .22s}
.text-link:hover i{transform:translateX(4px)}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;line-height:1;padding:6px 12px;border-radius:999px;white-space:nowrap}
.badge-grad{background:var(--grad);color:#fff}
.badge-soft{background:var(--accent-100);color:var(--brand-600)}
.badge-ring{border:1px solid rgba(224,71,91,.32);color:var(--brand-600);background:#fff}

/* 板块 */
.section{padding:60px 0}
@media(min-width:768px){.section{padding:92px 0}}
.section-alt{background:#FFFBF8}
.section-white{background:#FFFFFF}
.sec-head{max-width:760px;margin-bottom:34px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-600);background:#FFE9E4;padding:6px 14px;border-radius:999px;margin-bottom:14px}
.sec-title{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.36;margin-bottom:12px}
.sec-desc{color:var(--ink-600);font-size:15.5px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(224,71,91,.3)}

/* Hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFF2EB 0%,#FFF7F3 100%);padding:44px 0 52px}
@media(min-width:768px){.hero{padding:60px 0 68px}}
.hero::before{content:"";position:absolute;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(224,71,91,.16),transparent 70%);top:-190px;right:-110px;pointer-events:none}
.hero::after{content:"";position:absolute;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(255,138,61,.16),transparent 70%);bottom:-200px;left:-120px;pointer-events:none}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr;gap:34px;align-items:center}
@media(min-width:1024px){.hero-inner{grid-template-columns:6fr 4fr;gap:52px}}
.hero h1{font-size:clamp(27px,3.8vw,44px);font-weight:700;line-height:1.3;letter-spacing:-.2px;margin:14px 0 16px}
.hero-lead{color:var(--ink-600);font-size:16px;line-height:1.9;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-badges li{padding:7px 16px;border-radius:999px;background:#fff;border:1px solid rgba(224,71,91,.26);font-size:13px;font-weight:600;color:var(--brand-600);box-shadow:0 2px 8px rgba(224,71,91,.06)}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);box-shadow:0 20px 48px rgba(224,71,91,.18)}
.hero-float{position:absolute;left:-8px;bottom:16px;background:#fff;border-radius:16px;padding:10px 16px;box-shadow:0 12px 30px rgba(36,27,38,.12);display:flex;align-items:center;gap:10px;font-size:13.5px;font-weight:600;color:var(--ink-900)}
.hero-float span{width:26px;height:26px;border-radius:50%;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:12px}

/* 下载 */
.dl-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:640px){.dl-grid{grid-template-columns:repeat(3,1fr)}}
.dl-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 22px;display:flex;flex-direction:column;gap:14px;transition:transform .25s,box-shadow .25s,border-color .25s}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(224,71,91,.32)}
.dl-icon{width:46px;height:46px;border-radius:14px;background:var(--accent-100);display:grid;place-items:center;color:var(--brand-600);font-size:19px}
.dl-name{font-size:17px;font-weight:700}
.dl-desc{font-size:14px;color:var(--ink-600);line-height:1.75;flex:1}
.dl-card .btn{width:100%}

/* 痛点 */
.pain-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:560px){.pain-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.pain-grid{grid-template-columns:repeat(4,1fr)}}
.pain-card{position:relative;background:#FFF6F0;border-radius:16px;padding:22px 20px 22px 26px;transition:transform .25s,background .25s}
.pain-card:hover{transform:translateY(-3px);background:#FFEFE6}
.pain-card::before{content:"";position:absolute;left:12px;top:20px;bottom:20px;width:3px;border-radius:4px;background:var(--grad)}
.pain-icon{color:var(--brand-500);font-size:18px;margin-bottom:10px;display:block}
.pain-card h3{font-size:16px;font-weight:700;margin-bottom:6px}
.pain-card p{font-size:14px;color:var(--ink-600);line-height:1.75}

/* 解决方案 */
.solution-grid{display:grid;gap:32px}
@media(min-width:1024px){.solution-grid{grid-template-columns:5fr 7fr;gap:48px;align-items:start}}
.sol-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed rgba(241,226,218,.9);font-size:15px;color:var(--ink-600)}
.sol-list li:last-child{border-bottom:none}
.sol-dot{width:22px;height:22px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:11px;flex:0 0 auto;margin-top:4px}
.sol-cards{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:560px){.sol-cards{grid-template-columns:repeat(2,1fr)}}
.sol-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:22px 20px;transition:transform .25s,box-shadow .25s,border-color .25s}
.sol-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(224,71,91,.3)}
.sol-card h3{font-size:16px;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.sol-card h3 i{color:var(--brand-500);font-size:15px}
.sol-card p{font-size:14px;color:var(--ink-600);line-height:1.78}

/* 步骤 */
.steps{display:grid;gap:18px;position:relative}
@media(min-width:768px){.steps{grid-template-columns:repeat(3,1fr);gap:26px}}
@media(min-width:768px){.steps::before{content:"";position:absolute;top:48px;left:14%;right:14%;border-top:2px dashed rgba(224,71,91,.28);z-index:0}}
.step{position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:24px 22px;text-align:center;transition:transform .25s,box-shadow .25s,border-color .25s}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(224,71,91,.3)}
.step-num{width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;font-weight:700;font-size:18px;display:grid;place-items:center;margin:0 auto 14px;box-shadow:0 8px 18px rgba(224,71,91,.3);font-variant-numeric:tabular-nums}
.step h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-600);line-height:1.78}

/* 数据卡 */
.num-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:900px){.num-grid{grid-template-columns:repeat(4,1fr)}}
.num-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:24px 20px;position:relative;transition:transform .25s,box-shadow .25s,border-color .25s}
.num-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(224,71,91,.3)}
.num-val{font-size:clamp(32px,3.8vw,44px);font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.num-unit{font-size:14px;color:var(--ink-400);margin-top:8px}
.num-card .badge{position:absolute;top:16px;right:16px}

/* 编辑手记 */
.notes-grid{display:grid;gap:20px}
@media(min-width:768px){.notes-grid{grid-template-columns:repeat(2,1fr);gap:26px;align-items:start}}
.note-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 26px;position:relative;transition:transform .25s,box-shadow .25s,border-color .25s}
.note-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(224,71,91,.3)}
@media(min-width:768px){.note-card.offset{transform:translateY(24px)}.note-card.offset:hover{transform:translateY(20px)}}
.note-quote{font-size:40px;line-height:1;color:rgba(224,71,91,.22);font-family:Georgia,serif;margin-bottom:6px}
.note-card h3{font-size:18px;font-weight:700;line-height:1.55;margin-bottom:10px}
.note-card p{font-size:14.5px;color:var(--ink-600);line-height:1.85}
.note-meta{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.note-avatar{width:36px;height:36px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:700;flex:0 0 auto}
.note-name{font-size:14px;font-weight:600}
.note-tag{font-size:12px;color:var(--ink-400)}

/* 适用人群 */
.chip-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(min-width:900px){.chip-grid{grid-template-columns:repeat(3,1fr)}}
.chip-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:20px;transition:transform .25s,border-color .25s,box-shadow .25s}
.chip-card:hover{transform:translateY(-4px);border-color:rgba(224,71,91,.45);box-shadow:var(--shadow-soft)}
.chip-card i{color:var(--brand-500);font-size:17px;margin-bottom:10px;display:block}
.chip-card h3{font-size:15.5px;font-weight:700;margin-bottom:6px}
.chip-card p{font-size:13.5px;color:var(--ink-600);line-height:1.72}

/* CMS 资讯 */
.post-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.post-grid{grid-template-columns:repeat(3,1fr)}}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;height:100%;transition:transform .25s,box-shadow .25s,border-color .25s}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(224,71,91,.3)}
.post-cover{display:block;aspect-ratio:16/10;background-color:#FFEFE8;background-size:cover;background-position:center;background-repeat:no-repeat}
.post-card:nth-child(6n+1) .post-cover{background-image:url(/assets/images/3a4d88f70a878cc5.webp)}
.post-card:nth-child(6n+2) .post-cover{background-image:url(/assets/images/da4b2488d14e6dee.webp)}
.post-card:nth-child(6n+3) .post-cover{background-image:url(/assets/images/c6ea85e5808a03ac.webp)}
.post-card:nth-child(6n+4) .post-cover{background-image:url(/assets/images/17a38c91299f82bd.webp)}
.post-card:nth-child(6n+5) .post-cover{background-image:url(/assets/images/191e740dc43ed84e.webp)}
.post-card:nth-child(6n+6) .post-cover{background-image:url(/assets/images/2624e67223fffbcd.webp)}
.post-body{display:flex;flex-direction:column;gap:9px;padding:18px 18px 20px;flex:1}
.post-title{font-size:16px;font-weight:700;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s}
.post-card:hover .post-title{color:var(--brand-600)}
.post-excerpt{font-size:13.5px;color:var(--ink-600);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-400)}
.post-meta .more{color:var(--brand-600);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.cms-empty{background:#fff;border:1px dashed rgba(224,71,91,.35);border-radius:var(--radius-md);padding:48px 24px;text-align:center}
.cms-empty i{font-size:30px;color:rgba(224,71,91,.5);margin-bottom:12px;display:block}
.cms-empty p{font-size:15px;color:var(--ink-600)}
.cms-more{display:flex;justify-content:center;margin-top:32px}

/* 横滚专题 */
.scroll-wrap{position:relative}
.scroll-wrap::before,.scroll-wrap::after{content:"";position:absolute;top:0;bottom:20px;width:52px;z-index:2;pointer-events:none}
.scroll-wrap::before{left:0;background:linear-gradient(90deg,#FFFBF8,rgba(255,251,248,0))}
.scroll-wrap::after{right:0;background:linear-gradient(270deg,#FFFBF8,rgba(255,251,248,0))}
@media(max-width:767px){.scroll-wrap::before,.scroll-wrap::after{display:none}}
.scroll-x{display:flex;gap:20px;overflow-x:auto;padding:8px 4px 20px;scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none}
.scroll-x::-webkit-scrollbar{display:none}
.topic-card{flex:0 0 300px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:transform .28s,box-shadow .28s,border-color .28s;display:flex;flex-direction:column}
@media(min-width:768px){.topic-card{flex:0 0 350px}}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(224,71,91,.3)}
.topic-cover{height:168px;background-size:cover;background-position:center;position:relative}
.topic-cover .badge{position:absolute;left:14px;top:14px}
.topic-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.topic-body h3{font-size:16.5px;font-weight:700;line-height:1.55}
.topic-body p{font-size:13.5px;color:var(--ink-600);line-height:1.75}

/* 安全 */
.safety-grid{display:grid;gap:18px}
@media(min-width:768px){.safety-grid{grid-template-columns:repeat(2,1fr);gap:22px 40px}}
.safety-item{display:flex;gap:14px}
.safety-idx{width:34px;height:34px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;flex:0 0 auto;font-variant-numeric:tabular-nums}
.safety-item h3{font-size:16px;font-weight:700;margin-bottom:6px}
.safety-item p{font-size:14px;color:var(--ink-600);line-height:1.8}
.safety-alert{margin-top:30px;border:1.5px solid var(--ink-900);border-radius:var(--radius-md);padding:18px 22px;display:flex;gap:12px;align-items:flex-start;background:#fff}
.safety-alert i{color:var(--brand-500);font-size:17px;margin-top:4px}
.safety-alert p{font-size:14.5px;color:var(--ink-900);line-height:1.8}

/* 标签云 */
.tag-group{margin-bottom:22px}
.tag-group h3{font-size:14px;font-weight:700;color:var(--ink-400);letter-spacing:1px;margin-bottom:12px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-pill{padding:8px 16px;border-radius:999px;font-size:14px;background:#fff;border:1px solid var(--line);color:var(--ink-600);transition:transform .22s,border-color .22s,color .22s,background .22s}
.tag-pill:hover{transform:translateY(-1px);border-color:rgba(224,71,91,.55);color:var(--brand-600);background:#FFF6F2}
.tag-pill.deep{background:#FFEDE5;border-color:transparent;color:var(--brand-600)}

/* 指标带 */
.metrics-band{background:var(--ink-900);border-radius:var(--radius-lg);padding:32px 24px;color:#fff;display:grid;gap:26px}
@media(min-width:768px){.metrics-band{grid-template-columns:repeat(4,1fr);padding:44px 40px;gap:32px}}
.metric-label{font-size:13.5px;color:rgba(255,255,255,.68)}
.metric-val{font-size:clamp(26px,3vw,34px);font-weight:700;font-variant-numeric:tabular-nums;background:linear-gradient(120deg,#FF8A3D,#FFC08A);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.25;margin:4px 0 10px}
.bar{height:6px;border-radius:99px;background:rgba(255,255,255,.16);overflow:hidden}
.bar span{display:block;height:100%;border-radius:99px;background:linear-gradient(120deg,#E0475B,#FF8A3D)}

/* FAQ */
.faq-list{max-width:860px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item[open]{border-color:rgba(224,71,91,.35);box-shadow:var(--shadow-soft)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:600;font-size:15.5px;display:flex;align-items:center;justify-content:space-between;gap:16px;transition:color .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-600)}
.faq-icon{flex:0 0 auto;color:var(--brand-500);transition:transform .28s}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-answer{padding:0 22px 20px;font-size:14.5px;color:var(--ink-600);line-height:1.85;animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* 底部 CTA */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-lg);background:var(--grad);color:#fff;padding:40px 26px;display:grid;gap:24px}
@media(min-width:900px){.cta-band{grid-template-columns:1fr auto;align-items:center;padding:52px 48px;gap:40px}}
.cta-band::before{content:"";position:absolute;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.22),transparent 70%);top:-140px;right:-60px;pointer-events:none}
.cta-band h2{position:relative;font-size:clamp(21px,2.6vw,30px);font-weight:700;line-height:1.4;margin-bottom:10px}
.cta-band p{position:relative;font-size:15px;color:rgba(255,255,255,.9);max-width:620px}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.btn-white{background:#fff;color:var(--brand-600);box-shadow:0 8px 22px rgba(0,0,0,.14)}
.btn-white:hover{transform:translateY(-1px);filter:brightness(1.02)}
.cta-text-link{color:#fff;font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:6px;text-decoration:underline;text-underline-offset:4px}
.cta-text-link i{transition:transform .22s}
.cta-text-link:hover i{transform:translateX(4px)}

/* 页脚 */
.site-footer{background:var(--ink-900);color:#D7CCD9;padding:56px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}}
.footer-brand-lock .brand-text{color:#fff}
.footer-brand-lock .brand-sub{color:rgba(255,255,255,.5)}
.footer-intro{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin-top:16px;max-width:320px}
.footer-title{font-size:13px;font-weight:700;letter-spacing:1px;color:#fff;margin-bottom:14px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s}
.footer-links a:hover{color:#FF8A3D}
.footer-note{font-size:13px;color:rgba(255,255,255,.45);margin-top:14px;line-height:1.7}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.45)}

/* 响应式导航 */
@media(max-width:1023px){
  .nav-search{max-width:none}
}
@media(max-width:767px){
  .nav-search{display:none}
  .nav-download-link{display:none}
  .nav-burger{display:grid}
  .brand-text{font-size:14px}
  .brand-sub{font-size:10px;letter-spacing:1px}
  .nav-main-inner{height:56px;gap:10px}
  .hero-float{left:auto;right:10px;bottom:10px;padding:8px 12px;font-size:12.5px}
  .cta-actions .btn{width:100%}
  .cta-actions{width:100%}
}

/* roulang page: article */
:root{
  --brand-500:#E0475B;
  --brand-600:#B62F45;
  --accent-400:#FF8A3D;
  --accent-100:#FFE9DC;
  --ink-900:#241B26;
  --ink-600:#5B4F5E;
  --ink-400:#8B7F8D;
  --bg:#FFF7F3;
  --surface:#FFFFFF;
  --line:#F1E2DA;
  --ok:#12B39A;
  --grad:linear-gradient(120deg,#E0475B,#FF8A3D);
  --radius-lg:24px;
  --radius-md:18px;
  --shadow-soft:0 2px 6px rgba(36,27,38,.04),0 12px 32px rgba(224,71,91,.08);
  --shadow-hover:0 4px 10px rgba(36,27,38,.06),0 18px 44px rgba(224,71,91,.16);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink-900);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
section[id],div[id]{scroll-margin-top:112px}
/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .3s ease}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(36,27,38,.09)}
.nav-main-inner{display:flex;align-items:center;gap:14px;height:60px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700;font-size:17px;box-shadow:0 6px 16px rgba(224,71,91,.3);flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.16;font-weight:700;font-size:15px;letter-spacing:.2px;white-space:nowrap}
.brand-sub{font-size:10.5px;font-weight:500;color:var(--ink-400);letter-spacing:1.5px}
.nav-search{flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:9px;background:#FFF1EC;border:1.5px solid transparent;border-radius:999px;padding:0 16px;height:40px;transition:border-color .25s,background .25s,box-shadow .25s}
.nav-search i{color:var(--ink-400);font-size:14px}
.nav-search:focus-within{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 4px rgba(224,71,91,.1)}
.nav-search input{flex:1;min-width:0;border:none;background:transparent;outline:none;font-size:14px;color:var(--ink-900)}
.nav-search input::placeholder{color:var(--ink-400)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.nav-download-link{font-size:14px;color:var(--ink-600);padding:6px 10px;border-radius:999px;transition:color .2s,background .2s}
.nav-download-link:hover{color:var(--brand-600);background:#FFF1EC}
.nav-burger{display:none;width:38px;height:38px;border-radius:12px;background:#FFF1EC;color:var(--ink-900);place-items:center;transition:background .2s}
.nav-burger:hover{background:#FFE1DC}
.nav-channels{border-top:1px solid rgba(241,226,218,.75)}
.channels-inner{display:flex;align-items:center;gap:8px;height:44px;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none}
.channels-inner::-webkit-scrollbar{display:none}
.chan-pill{flex:0 0 auto;scroll-snap-align:start;padding:6px 16px;border-radius:999px;font-size:14px;background:#FFF1EC;color:var(--ink-600);border:1px solid transparent;transition:background .22s,color .22s,box-shadow .22s;white-space:nowrap}
.chan-pill:hover{background:#FFE1DC;color:var(--brand-600)}
.chan-pill:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px}
.chan-pill.active{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(224,71,91,.26)}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 16px}
.mobile-menu.open{display:block}
.mobile-menu .container{display:flex;flex-direction:column;gap:4px}
.mobile-menu a{padding:10px 14px;border-radius:12px;font-size:15px;color:var(--ink-600);transition:background .2s,color .2s}
.mobile-menu a:hover{background:#FFF1EC;color:var(--brand-600)}
/* ============ 按钮 / 徽章 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;line-height:1;transition:transform .2s,box-shadow .2s,background .2s,color .2s,filter .2s;white-space:nowrap}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(224,71,91,.3)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 12px 28px rgba(224,71,91,.38)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{border:1.5px solid var(--brand-500);color:var(--brand-600);background:transparent}
.btn-outline:hover{background:#FFF1EC;transform:translateY(-1px)}
.btn-outline:active{transform:scale(.98)}
.btn-ghost{background:#FFF1EC;color:var(--ink-900)}
.btn-ghost:hover{background:#FFE1DC}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.text-link{color:var(--brand-600);font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:6px}
.text-link i{transition:transform .22s}
.text-link:hover i{transform:translateX(4px)}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;line-height:1;padding:6px 12px;border-radius:999px;white-space:nowrap}
.badge-grad{background:var(--grad);color:#fff}
.badge-soft{background:var(--accent-100);color:var(--brand-600)}
.badge-ring{border:1px solid rgba(224,71,91,.32);color:var(--brand-600);background:#fff}
/* ============ 文章页布局 ============ */
.article-wrap{padding:24px 0 72px}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--ink-400);padding:6px 0 22px}
.breadcrumb a{color:var(--ink-600);transition:color .2s}
.breadcrumb a:hover{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
.breadcrumb i{font-size:10px;color:#C9B8BE}
.breadcrumb .current{color:var(--ink-900);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start}
.article-head{margin-bottom:26px}
.article-head h1{font-size:clamp(26px,3.4vw,40px);line-height:1.34;font-weight:700;letter-spacing:-.2px;margin-bottom:16px}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 14px;font-size:13.5px;color:var(--ink-400);margin-bottom:20px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#D9C8CE}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.share-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.share-btn{width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:#FFF1EC;color:var(--ink-600);border:1px solid transparent;transition:background .2s,color .2s,transform .2s,border-color .2s}
.share-btn:hover{background:#FFE1DC;color:var(--brand-600);transform:translateY(-2px)}
.share-btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px}
.cover-frame{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:#FFEFE7;box-shadow:var(--shadow-soft);aspect-ratio:21/9}
.cover-frame img{width:100%;height:100%;object-fit:cover}
.cover-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(36,27,38,0) 55%,rgba(36,27,38,.35) 100%);pointer-events:none}
.cover-tag{position:absolute;left:18px;bottom:18px;z-index:2}
/* ============ 正文排版 ============ */
.article-body{max-width:760px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 34px 30px;box-shadow:var(--shadow-soft);margin-top:28px}
.prose{font-size:16.5px;line-height:1.9;color:#3A2E36;word-break:break-word}
.prose>*:first-child{margin-top:0}
.prose>*:last-child{margin-bottom:0}
.prose p{margin:0 0 1.2em}
.prose h2{position:relative;font-size:23px;font-weight:700;line-height:1.45;margin:2em 0 .8em;padding-left:16px;color:var(--ink-900)}
.prose h2::before{content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;border-radius:4px;background:var(--grad)}
.prose h3{font-size:19px;font-weight:600;line-height:1.5;margin:1.6em 0 .6em;color:var(--ink-900)}
.prose h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em;color:var(--brand-600)}
.prose blockquote{margin:1.6em 0;padding:16px 20px;background:linear-gradient(120deg,#FFF3EC,#FFF7F3);border-left:4px solid var(--brand-500);border-radius:0 14px 14px 0;color:var(--ink-600)}
.prose blockquote p{margin:0}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:24px}
.prose li{margin-bottom:.5em}
.prose ul li::marker{color:var(--brand-500)}
.prose ol li::marker{color:var(--brand-500);font-weight:600}
.prose img{border-radius:16px;margin:1.5em auto;box-shadow:var(--shadow-soft)}
.prose figure{margin:1.6em 0}
.prose figcaption{text-align:center;font-size:13px;color:var(--ink-400);margin-top:10px}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border-radius:14px;overflow:hidden;box-shadow:0 0 0 1px var(--line)}
.prose th{background:#FFF1EC;color:var(--ink-900);font-weight:600;text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
.prose td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--ink-600)}
.prose tbody tr:nth-child(even){background:#FFFBF8}
.prose a{color:var(--brand-600);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.prose a:hover{color:var(--accent-400)}
.prose hr{border:none;border-top:1px dashed var(--line);margin:2em 0}
.prose strong{color:var(--ink-900)}
.empty-state{text-align:center;padding:48px 20px}
.empty-state i{font-size:34px;color:#E0C9D0;margin-bottom:14px;display:block}
.empty-state p{font-size:17px;font-weight:600;color:var(--ink-900);margin-bottom:18px}
/* ============ 文末操作 ============ */
.article-foot{margin-top:26px;border-top:1px dashed var(--line);padding-top:24px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.tag-chip{font-size:13px;padding:6px 13px;border-radius:999px;background:#FFF3EC;color:var(--brand-600);transition:background .2s,color .2s,box-shadow .2s}
.tag-chip:hover{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(224,71,91,.24)}
.action-bar{display:flex;flex-wrap:wrap;gap:10px}
.action-btn{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:999px;border:1.5px solid rgba(224,71,91,.35);color:var(--brand-600);font-size:14px;font-weight:600;background:#fff;transition:background .22s,color .22s,border-color .22s,transform .2s}
.action-btn:hover{background:#FFF1EC;transform:translateY(-1px)}
.action-btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px}
.action-btn:active{transform:scale(.98)}
.action-btn.is-on{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(224,71,91,.28)}
/* ============ 相关推荐 ============ */
.related-block{margin-top:40px}
.block-title{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.block-title h2{font-size:21px;font-weight:700;line-height:1.4}
.block-title span{font-size:13px;color:var(--ink-400)}
.block-title::after{content:"";flex:1;height:1px;background:var(--line)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.related-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .25s}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(224,71,91,.3)}
.related-thumb{aspect-ratio:4/3;overflow:hidden;background:#FFEFE7}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.related-card:hover .related-thumb img{transform:scale(1.05)}
.related-body{padding:14px 16px 16px}
.related-body h3{font-size:15px;font-weight:600;line-height:1.55;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-date{font-size:12.5px;color:var(--ink-400)}
/* ============ 上下篇 / 返回 ============ */
.postnav-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:32px}
.postnav-card{display:flex;align-items:center;gap:14px;padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);transition:transform .25s,box-shadow .25s,border-color .25s}
.postnav-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(224,71,91,.3)}
.postnav-card i{width:38px;height:38px;border-radius:12px;background:#FFF1EC;color:var(--brand-600);display:grid;place-items:center;flex:0 0 auto}
.postnav-card strong{display:block;font-size:15px;font-weight:600;line-height:1.4}
.postnav-card small{display:block;font-size:12.5px;color:var(--ink-400);margin-top:2px}
.back-link{margin-top:20px;text-align:center}
/* ============ 侧栏 ============ */
.article-aside{position:sticky;top:118px;display:flex;flex-direction:column;gap:18px}
.aside-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-soft)}
.aside-card h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.aside-card h3 i{color:var(--brand-500);font-size:14px}
.hot-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.hot-list li{display:flex;gap:10px;align-items:flex-start}
.hot-list .num{flex:0 0 auto;width:20px;height:20px;border-radius:6px;background:#FFF1EC;color:var(--brand-600);font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:3px}
.hot-list a{font-size:14px;line-height:1.55;color:var(--ink-600);transition:color .2s}
.hot-list a:hover{color:var(--brand-600)}
.aside-dl{background:linear-gradient(160deg,#FFF3EC,#FFE9DC);border-color:rgba(224,71,91,.18)}
.dl-list{display:flex;flex-direction:column;gap:9px}
.dl-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:14px;background:#fff;border:1px solid rgba(224,71,91,.16);font-size:14px;font-weight:600;color:var(--ink-900);transition:transform .2s,box-shadow .2s,border-color .2s}
.dl-item:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(224,71,91,.14);border-color:rgba(224,71,91,.4)}
.dl-item i{width:28px;height:28px;border-radius:9px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:12px;flex:0 0 auto}
.safety-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.safety-list li{position:relative;padding-left:18px;font-size:13.5px;line-height:1.7;color:var(--ink-600)}
.safety-list li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--grad)}
/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#F4ECEE;padding:56px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand-lock{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand-lock .brand-text{color:#fff}
.footer-brand-lock .brand-sub{color:#B9A7AE}
.footer-intro{font-size:13.5px;line-height:1.85;color:#B9A7AE;max-width:340px}
.footer-title{font-size:13px;font-weight:600;letter-spacing:1px;color:#EDD9DF;margin-bottom:14px}
.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:14px;color:#C9B5BC;transition:color .2s}
.footer-links a:hover{color:var(--accent-400)}
.footer-note{font-size:12.5px;color:#8E7C84;margin-top:14px;line-height:1.7}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#8E7C84}
/* ============ 响应式 ============ */
@media (max-width:1023px){
  .article-grid{grid-template-columns:minmax(0,1fr);gap:36px}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .article-aside .aside-card{flex:1 1 280px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .nav-search{display:none}
  .nav-burger{display:grid}
  .nav-download-link{display:none}
  .brand-text{font-size:14px}
  .article-wrap{padding:16px 0 52px}
  .article-body{padding:22px 18px 22px;border-radius:var(--radius-md)}
  .prose{font-size:16px;line-height:1.85}
  .prose h2{font-size:20px}
  .prose h3{font-size:17.5px}
  .cover-frame{aspect-ratio:16/10;border-radius:var(--radius-md)}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .postnav-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .aside-card{padding:18px}
}
@media (max-width:520px){
  .article-meta{font-size:12.5px;gap:8px 10px}
  .action-bar{gap:8px}
  .action-btn{height:38px;padding:0 14px;font-size:13px}
  .btn{height:44px;padding:0 18px;font-size:14px}
}

/* roulang page: category1 */
:root{
  --brand-500:#E0475B;
  --brand-600:#B62F45;
  --accent-400:#FF8A3D;
  --accent-100:#FFE9DC;
  --ink-900:#241B26;
  --ink-600:#5B4F5E;
  --ink-400:#8B7F8D;
  --bg:#FFF7F3;
  --surface:#FFFFFF;
  --line:#F1E2DA;
  --ok:#12B39A;
  --grad:linear-gradient(120deg,#E0475B,#FF8A3D);
  --radius-lg:24px;
  --radius-md:18px;
  --shadow-soft:0 2px 6px rgba(36,27,38,.04),0 12px 32px rgba(224,71,91,.08);
  --shadow-hover:0 4px 10px rgba(36,27,38,.06),0 18px 44px rgba(224,71,91,.16);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink-900);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
section[id],div[id]{scroll-margin-top:112px}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .3s ease}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(36,27,38,.09)}
.nav-main-inner{display:flex;align-items:center;gap:14px;height:60px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700;font-size:17px;box-shadow:0 6px 16px rgba(224,71,91,.3);flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.16;font-weight:700;font-size:15px;letter-spacing:.2px;white-space:nowrap}
.brand-sub{font-size:10.5px;font-weight:500;color:var(--ink-400);letter-spacing:1.5px}
.nav-search{flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:9px;background:#FFF1EC;border:1.5px solid transparent;border-radius:999px;padding:0 16px;height:40px;transition:border-color .25s,background .25s,box-shadow .25s}
.nav-search i{color:var(--ink-400);font-size:14px}
.nav-search:focus-within{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 4px rgba(224,71,91,.1)}
.nav-search input{flex:1;min-width:0;border:none;background:transparent;outline:none;font-size:14px;color:var(--ink-900)}
.nav-search input::placeholder{color:var(--ink-400)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.nav-download-link{font-size:14px;color:var(--ink-600);padding:6px 10px;border-radius:999px;transition:color .2s,background .2s}
.nav-download-link:hover{color:var(--brand-600);background:#FFF1EC}
.nav-burger{display:none;width:38px;height:38px;border-radius:12px;background:#FFF1EC;color:var(--ink-900);place-items:center;transition:background .2s}
.nav-burger:hover{background:#FFE1DC}
.nav-channels{border-top:1px solid rgba(241,226,218,.75)}
.channels-inner{display:flex;align-items:center;gap:10px;height:46px;overflow-x:auto;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.channels-inner::-webkit-scrollbar{display:none}
.chan-pill{flex:0 0 auto;scroll-snap-align:start;padding:6px 16px;border-radius:999px;font-size:14px;background:#FFF1EC;color:var(--ink-600);border:1px solid transparent;transition:background .22s,color .22s,box-shadow .22s;white-space:nowrap}
.chan-pill:hover{background:#FFE1DC;color:var(--brand-600)}
.chan-pill:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px}
.chan-pill.active{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(224,71,91,.26)}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 16px}
.mobile-menu.open{display:block}
.mobile-menu .container{display:flex;flex-direction:column;gap:4px}
.mobile-menu a{padding:10px 14px;border-radius:12px;font-size:15px;color:var(--ink-600);transition:background .2s,color .2s}
.mobile-menu a:hover{background:#FFF1EC;color:var(--brand-600)}
.mobile-menu a.active{background:#FFF1EC;color:var(--brand-600);font-weight:600}

/* ============ 按钮 / 徽章 / 文字链 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;line-height:1;transition:transform .2s,box-shadow .2s,background .2s,color .2s,filter .2s;white-space:nowrap}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(224,71,91,.3)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 12px 28px rgba(224,71,91,.38)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{border:1.5px solid var(--brand-500);color:var(--brand-600);background:transparent}
.btn-outline:hover{background:#FFF1EC;transform:translateY(-1px)}
.btn-outline:active{transform:scale(.98)}
.btn-ghost{background:#FFF1EC;color:var(--ink-900)}
.btn-ghost:hover{background:#FFE1DC}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.text-link{color:var(--brand-600);font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:6px;transition:color .2s}
.text-link i{transition:transform .22s}
.text-link:hover i{transform:translateX(4px)}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}
.text-link:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:6px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;line-height:1;padding:6px 12px;border-radius:999px;white-space:nowrap}
.badge-grad{background:var(--grad);color:#fff}
.badge-soft{background:var(--accent-100);color:var(--brand-600)}
.badge-ring{border:1px solid rgba(224,71,91,.32);color:var(--brand-600);background:#fff}
.badge-ok{background:rgba(18,179,154,.12);color:#0B8C79}

/* ============ 通用板块 ============ */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:88px 0}}
.section-alt{background:#FFFBF8}
.section-white{background:#FFFFFF}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-600);background:#FFE9E4;padding:6px 14px;border-radius:999px;margin-bottom:14px}
.sec-title{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.36;margin-bottom:12px}
.sec-sub{color:var(--ink-600);font-size:15.5px;max-width:720px}

/* ============ 分类标题带 ============ */
.cat-band{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFF3EC 0%,#FFF7F3 100%);padding:34px 0 44px;border-bottom:1px solid var(--line)}
.cat-band-inner{display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
@media(min-width:900px){.cat-band-inner{grid-template-columns:1.55fr .95fr;gap:44px}}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-400);margin-bottom:16px;flex-wrap:wrap}
.crumb a:hover{color:var(--brand-600)}
.crumb i{font-size:10px;opacity:.7}
.crumbbar-sep{color:var(--ink-400)}
.cat-h1{font-size:clamp(26px,3.6vw,40px);font-weight:700;line-height:1.34;letter-spacing:-.3px;margin-bottom:14px}
.cat-h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-intro{color:var(--ink-600);font-size:15.5px;line-height:1.9;max-width:680px}
.cat-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cat-deco{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-soft);border:1px solid var(--line);background:#fff}
.cat-deco img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.cat-deco figcaption{position:absolute;left:14px;bottom:14px;right:14px;background:rgba(255,255,255,.92);border-radius:14px;padding:10px 14px;font-size:13px;color:var(--ink-600);line-height:1.6;backdrop-filter:blur(6px)}

/* ============ 概览三要点 ============ */
.ov-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:28px}
@media(min-width:640px){.ov-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.ov-grid{grid-template-columns:repeat(3,1fr)}}
.ov-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px 22px 24px;transition:transform .25s,box-shadow .25s,border-color .25s}
.ov-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(224,71,91,.3)}
.ov-icon{width:44px;height:44px;border-radius:14px;background:var(--accent-100);color:var(--brand-600);display:grid;place-items:center;font-size:18px;margin-bottom:14px}
.ov-title{font-size:18px;font-weight:700;margin-bottom:8px}
.ov-text{color:var(--ink-600);font-size:14.5px;line-height:1.8}
.safety-strip{margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;background:#241B26;color:#fff;border-radius:var(--radius-md);padding:18px 22px;border:1px solid rgba(255,138,61,.35)}
.safety-strip .st-icon{width:36px;height:36px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-size:15px;flex:0 0 auto}
.safety-strip p{font-size:14.5px;line-height:1.75;margin:0;color:rgba(255,255,255,.9)}
.safety-strip strong{color:#fff}

/* ============ 话题列表行 ============ */
.row-list{display:grid;grid-template-columns:1fr;gap:16px;margin-top:30px}
@media(min-width:768px){.row-list{grid-template-columns:repeat(2,1fr)}}
.row-card{display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:16px;transition:transform .25s,box-shadow .25s,border-color .25s}
.row-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(224,71,91,.3)}
.row-thumb{width:96px;height:96px;border-radius:14px;overflow:hidden;flex:0 0 auto;background:var(--accent-100)}
.row-thumb img{width:100%;height:100%;object-fit:cover}
.row-body{min-width:0;display:flex;flex-direction:column;gap:7px}
.row-title{font-size:16.5px;font-weight:700;line-height:1.5}
.row-text{font-size:14px;color:var(--ink-600);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.row-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-400);margin-top:auto}
.row-more{display:flex;justify-content:center;margin-top:34px}

/* ============ 精选专题 ============ */
.feat-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:30px}
@media(min-width:820px){.feat-grid{grid-template-columns:repeat(2,1fr)}}
.feat-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:#fff;transition:transform .25s,box-shadow .25s,border-color .25s;display:block}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(224,71,91,.3)}
.feat-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.feat-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.feat-card:hover .feat-media img{transform:scale(1.04)}
.feat-media .badge{position:absolute;top:14px;left:14px}
.feat-body{padding:20px 22px 24px}
.feat-body h3{font-size:19px;font-weight:700;line-height:1.45;margin-bottom:8px}
.feat-body p{font-size:14.5px;color:var(--ink-600);line-height:1.75}

/* ============ 标签墙 ============ */
.tag-wall{display:grid;grid-template-columns:1fr;gap:22px;margin-top:30px}
@media(min-width:900px){.tag-wall{grid-template-columns:repeat(3,1fr)}}
.tag-group{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px}
.tag-group h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.tag-group h3 span{width:6px;height:18px;border-radius:4px;background:var(--grad);display:inline-block}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
.pill{font-size:13px;padding:6px 13px;border-radius:999px;border:1px solid transparent;background:#FFF1EC;color:var(--ink-600);transition:border-color .22s,color .22s,background .22s;cursor:default}
.pill.dark{background:#FFF7F3;border-color:var(--line);color:var(--ink-600)}
.pill:hover{border-color:rgba(224,71,91,.55);color:var(--brand-600);background:#fff}

/* ============ 最新发布（CMS） ============ */
.news-wrap{margin-top:28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:10px 22px}
.news-row{border-bottom:1px dashed var(--line)}
.news-row:last-child{border-bottom:none}
.news-link{display:flex;align-items:center;gap:14px;padding:16px 0;transition:color .2s}
.news-link:hover{color:var(--brand-600)}
.news-index{width:26px;flex:0 0 auto;font-size:13px;font-weight:700;color:var(--brand-500);font-variant-numeric:tabular-nums}
.news-title{flex:1 1 auto;min-width:0;font-size:15.5px;font-weight:600;line-height:1.6;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-meta{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-size:12.5px;color:var(--ink-400)}
.news-link:hover .news-meta i{transform:translateX(3px)}
.news-meta i{transition:transform .22s;font-size:12px}
.news-empty{text-align:center;padding:44px 20px}
.news-empty i{font-size:26px;color:var(--brand-500);background:#FFE9E4;width:60px;height:60px;border-radius:50%;display:grid;place-items:center;margin:0 auto 14px}
.news-empty p{color:var(--ink-600);font-size:14.5px;margin-bottom:12px}

/* ============ FAQ ============ */
.faq-list{margin-top:28px;display:grid;gap:12px;max-width:900px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item[open]{border-color:rgba(224,71,91,.35);box-shadow:var(--shadow-soft)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:18px 22px;font-size:16px;font-weight:600;transition:color .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-600)}
.faq-item summary:focus-visible{outline:2px solid var(--brand-500);outline-offset:-2px}
.faq-icon{margin-left:auto;width:26px;height:26px;border-radius:50%;background:#FFE9E4;color:var(--brand-600);display:grid;place-items:center;font-size:12px;transition:transform .3s,background .3s;flex:0 0 auto}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-body{padding:0 22px 20px;color:var(--ink-600);font-size:14.5px;line-height:1.85;animation:faqIn .3s ease}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* ============ 下载 ============ */
.dl-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:30px}
@media(min-width:768px){.dl-grid{grid-template-columns:repeat(3,1fr)}}
.dl-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 22px;text-align:center;transition:transform .25s,box-shadow .25s,border-color .25s}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(224,71,91,.3)}
.dl-icon{width:54px;height:54px;border-radius:16px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:22px;margin:0 auto 16px;box-shadow:0 8px 20px rgba(224,71,91,.28)}
.dl-card h3{font-size:17px;font-weight:700;margin-bottom:6px}
.dl-card p{font-size:13.5px;color:var(--ink-600);line-height:1.7;margin-bottom:18px}
.dl-card .btn{width:100%}

/* ============ 底部 CTA ============ */
.cta-card{position:relative;overflow:hidden;border-radius:var(--radius-lg);background:var(--grad);color:#fff;padding:38px 26px}
@media(min-width:768px){.cta-card{padding:52px 48px}}
.cta-card::after{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.22),transparent 70%);right:-90px;top:-120px;pointer-events:none}
.cta-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:22px}
@media(min-width:900px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between}}
.cta-inner h2{font-size:clamp(21px,2.4vw,29px);font-weight:700;line-height:1.4;margin-bottom:8px}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.92);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.cta-actions .btn-white{background:#fff;color:var(--brand-600);box-shadow:0 10px 26px rgba(36,27,38,.18)}
.cta-actions .btn-white:hover{transform:translateY(-1px);filter:brightness(.98)}
.cta-actions .cta-link{color:#fff;font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:6px}
.cta-actions .cta-link:hover{text-decoration:underline;text-underline-offset:4px}
.cta-actions .cta-link i{transition:transform .22s}
.cta-actions .cta-link:hover i{transform:translateX(4px)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.78);padding:52px 0 22px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.footer-brand-lock .brand-text{color:#fff}
.footer-brand-lock .brand-sub{color:rgba(255,255,255,.5)}
.footer-intro{font-size:14px;line-height:1.85;margin-top:16px;color:rgba(255,255,255,.68);max-width:420px}
.footer-title{font-size:13px;font-weight:700;color:#fff;letter-spacing:.5px;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s}
.footer-links a:hover{color:var(--accent-400)}
.footer-note{font-size:13px;color:rgba(255,255,255,.52);margin-top:14px;line-height:1.7}
.footer-bottom{margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5)}

/* ============ 响应式 ============ */
@media(max-width:1023px){
  .nav-search{max-width:300px}
}
@media(max-width:767px){
  .nav-search{display:none}
  .nav-burger{display:grid}
  .nav-main-inner{height:58px}
  .nav-download-link{display:none}
  .brand-text{font-size:14px}
  .news-link{flex-wrap:wrap}
  .news-title{white-space:normal;flex:1 1 100%}
  .news-index{display:none}
  .cat-band{padding:26px 0 34px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media(max-width:520px){
  .row-card{flex-direction:column}
  .row-thumb{width:100%;height:150px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .brand-text{font-size:13.5px}
  .brand-mark{width:30px;height:30px;font-size:15px}
}