/* roulang page: index */
:root{
  --primary:#8A2246;
  --primary-dark:#6B1734;
  --primary-soft:rgba(138,34,70,.08);
  --accent:#E8A87C;
  --accent-deep:#7A4318;
  --plum:#3B1F31;
  --bg:#FBF7F5;
  --bg-alt:#F3ECEA;
  --dark:#241A22;
  --text:#1F1A1C;
  --muted:#6B5F63;
  --line:#E7DCD8;
  --success:#2F7A5B;
  --success-soft:rgba(47,122,91,.1);
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow:0 2px 8px rgba(36,26,34,.06);
  --shadow-hover:0 12px 28px rgba(36,26,34,.13);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1180px;
  --pad-y:84px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{font-family:inherit;color:inherit;margin:0 0 .6em;font-weight:700}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.25;letter-spacing:.5px}
h2{font-size:clamp(23px,3vw,36px);line-height:1.35}
h3{font-size:20px;line-height:1.5}
p{margin:0 0 1em}
img{max-width:100%;height:auto;display:block}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--primary)}
button,input{font:inherit;font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
::selection{background:rgba(138,34,70,.16)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--pad-y) 0}
.section-alt{background:var(--bg-alt)}
.section-line{border-top:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--primary);background:var(--primary-soft);border:1px solid rgba(138,34,70,.16);border-radius:999px;padding:5px 14px;margin-bottom:14px}
.section-title{font-size:clamp(23px,3vw,36px);line-height:1.35;margin:0 0 14px;letter-spacing:.3px}
.section-desc{color:var(--muted);font-size:16px;margin:0;max-width:740px}
.section-dark .section-desc,.section-dark p{color:rgba(244,237,233,.76)}
.section-dark .section-title{color:#fff}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--radius-btn);font-size:15.5px;font-weight:600;line-height:1.2;border:1.5px solid transparent;cursor:pointer;background:none;transition:background-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);text-align:center}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow)}
.btn-ghost{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#3A1D16}
.btn-accent:hover{background:#F0BE95;color:#3A1D16;transform:translateY(-1px);box-shadow:0 12px 28px rgba(232,168,124,.35)}
.btn-accent:active{transform:translateY(0)}
.btn-light-outline{border-color:rgba(251,247,245,.55);color:#FBF7F5}
.btn-light-outline:hover{border-color:var(--accent);color:var(--accent);background:rgba(232,168,124,.12)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{display:flex;width:100%}
.btn-pill{border-radius:999px}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.button,button.button{background-color:var(--primary);border-radius:var(--radius-btn);font-family:inherit;color:#fff;border:1.5px solid transparent}
.button:hover,button.button:hover{background-color:var(--primary-dark);color:#fff}
.text-link{color:var(--primary);font-weight:600;font-size:14px;border-bottom:2px solid transparent;transition:border-color .22s var(--ease),color .22s var(--ease)}
.text-link:hover{border-bottom-color:var(--primary);color:var(--primary-dark)}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1.7;white-space:nowrap}
.badge-primary{color:var(--primary);background:var(--primary-soft);border:1px solid rgba(138,34,70,.18)}
.badge-accent{color:var(--accent-deep);background:rgba(232,168,124,.24);border:1px solid rgba(232,168,124,.5)}
.badge-safe{color:var(--success);background:var(--success-soft);border:1px solid rgba(47,122,91,.24)}

/* 促销条 */
.promo-bar{background:var(--plum);color:#F1E7E2;font-size:13px;line-height:1.6}
.promo-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:var(--container);margin:0 auto;padding:7px 24px;min-height:38px}
.promo-text{display:flex;align-items:center;gap:8px;min-width:0}
.promo-text span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.promo-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0}
.promo-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.promo-link{color:var(--accent);font-weight:600}
.promo-link:hover{color:#FBE3CE}
.promo-close{background:none;border:0;color:rgba(241,231,226,.7);cursor:pointer;font-size:17px;line-height:1;padding:2px 4px;border-radius:4px}
.promo-close:hover{color:#fff}
.promo-bar.is-hidden{display:none}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,247,245,.97);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .24s var(--ease)}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(36,26,34,.09)}
.nav-wrap{display:flex;align-items:center;gap:20px;max-width:var(--container);margin:0 auto;padding:10px 24px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(140deg,var(--primary) 0%,var(--plum) 100%);display:grid;place-items:center;color:#fff;font-weight:700;font-size:14px;letter-spacing:.5px;box-shadow:var(--shadow)}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-name{font-size:16.5px;font-weight:700;letter-spacing:.2px;color:var(--text);white-space:nowrap}
.logo-sub{font-size:10.5px;letter-spacing:1.4px;color:var(--muted);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;padding:10px 12px;font-size:15px;border-radius:8px;color:var(--text);white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:600}
.search-box{position:relative;flex:1 1 auto;max-width:270px;margin-left:auto;min-width:140px}
.search-box input{width:100%;height:42px;border:1px solid var(--line);border-radius:999px;background:#fff;padding:0 16px 0 42px;font-size:14px;color:var(--text);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.search-box input::placeholder{color:#A2959A}
.search-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(138,34,70,.1)}
.search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none;display:grid;place-items:center}
.icon-group{display:flex;align-items:center;gap:2px;flex-shrink:0}
.icon-btn{display:grid;place-items:center;width:42px;height:42px;border-radius:10px;color:var(--text);background:transparent;border:0;cursor:pointer;transition:background-color .2s var(--ease),color .2s var(--ease)}
.icon-btn:hover{background:var(--primary-soft);color:var(--primary)}
.nav-cta{margin-left:4px;flex-shrink:0}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center;color:var(--text)}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(36,26,34,.45);opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s;z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;background:var(--bg);z-index:100;transform:translateX(101%);transition:transform .3s var(--ease);display:flex;flex-direction:column;padding:18px 20px 34px;overflow-y:auto;box-shadow:-12px 0 40px rgba(36,26,34,.2)}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--text);font-size:18px;line-height:1;display:grid;place-items:center}
.drawer-close:hover{color:var(--primary);border-color:var(--primary)}
.drawer .search-box{max-width:none;width:100%;margin:0 0 16px}
.drawer-list a{display:flex;align-items:center;height:52px;border-bottom:1px solid var(--line);font-size:16px;color:var(--text)}
.drawer-list a.active{color:var(--primary);font-weight:600}
.drawer .btn{margin-top:20px}
.drawer-note{margin-top:16px;font-size:12.5px;color:var(--muted);line-height:1.7}

/* Hero */
.hero{position:relative;overflow:hidden;color:#FCF7F4;padding:76px 0 112px;clip-path:polygon(0 0,100% 0,100% 93%,0 100%)}
.hero-bg{position:absolute;inset:0;z-index:0;background-image:linear-gradient(108deg,rgba(36,26,34,.95) 6%,rgba(59,31,49,.87) 48%,rgba(138,34,70,.62) 100%),url("/assets/images/923608410e7e7cfa.webp");background-size:cover;background-position:center;background-repeat:no-repeat}
.hero-bg::after{content:"";position:absolute;right:-8%;top:-16%;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(232,168,124,.28) 0%,rgba(232,168,124,0) 68%)}
.hero-inner{position:relative;z-index:1;max-width:900px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--accent);background:rgba(232,168,124,.12);border:1px solid rgba(232,168,124,.36);border-radius:999px;padding:6px 16px;margin-bottom:20px}
.hero h1{margin:0 0 18px;color:#fff}
.hero-lead{font-size:16.5px;line-height:1.9;color:rgba(252,247,244,.87);max-width:730px;margin:0 0 28px}
.check-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:0 0 32px;max-width:860px}
.check-item{display:flex;align-items:center;gap:9px;font-size:13.5px;line-height:1.5;color:rgba(252,247,244,.92);background:rgba(255,255,255,.06);border:1px solid rgba(232,168,124,.22);border-radius:999px;padding:9px 14px}
.check-item .tick{width:19px;height:19px;border-radius:50%;background:var(--accent);color:#3A1D16;display:grid;place-items:center;font-size:11px;font-weight:700;flex-shrink:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-note{margin:20px 0 0;font-size:12.5px;color:rgba(252,247,244,.6)}

/* 入口矩阵 */
.entry-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}
.entry-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 16px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);height:100%}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(138,34,70,.32);color:var(--primary)}
.entry-icon{width:32px;height:32px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;margin-bottom:12px;font-size:14px;font-weight:700}
.entry-name{display:block;font-weight:700;font-size:15px;margin-bottom:6px}
.entry-card p{margin:0;font-size:13px;line-height:1.7;color:var(--muted)}

/* 功能矩阵 */
.feature-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:22px}
.feature-main{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:18px;padding:0;display:flex;flex-direction:column;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.feature-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.feature-main img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:18px 18px 0 0}
.feature-main .feature-body{padding:24px 26px 26px}
.feature-side{display:grid;gap:22px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.feature-icon{width:32px;height:32px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:15px;font-weight:700;margin-bottom:14px}
.feature-card h3{font-size:18px;margin:0 0 8px}
.feature-card p{margin:0 0 12px;font-size:14.5px;color:var(--muted);line-height:1.8}

/* 场景 */
.scene-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 22px 22px 26px;height:100%;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.scene-card::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:3px;background:var(--primary)}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.scene-card h3{font-size:17px;margin:0 0 8px}
.scene-card p{margin:0 0 10px;font-size:14px;color:var(--muted);line-height:1.75}
.scene-meta{font-size:12px;color:#9C8E93}

/* 城市 */
.city-chips{display:flex;flex-wrap:wrap;gap:10px}
.city-chip{display:inline-flex;align-items:center;padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;color:var(--text);transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease)}
.city-chip:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px)}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.step{position:relative;padding-right:16px}
.step::after{content:"";position:absolute;right:-16px;top:34px;width:24px;border-top:2px dashed rgba(138,34,70,.26)}
.step:last-child::after{display:none}
.step-num{display:block;font-size:44px;line-height:1;font-weight:700;letter-spacing:-1.5px;color:rgba(232,168,124,.62);margin-bottom:12px}
.step h3{font-size:18px;margin:0 0 8px}
.step p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.8}

/* 截图 */
.shots{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:center}
.shot{background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.shot img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px}
.shot.is-main{transform:scale(1.05);border-color:rgba(232,168,124,.6);box-shadow:var(--shadow-hover);z-index:2}
.shot:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.shot.is-main:hover{transform:scale(1.05) translateY(-3px)}
.shot-cap{font-size:13px;color:var(--muted);text-align:center;padding:12px 6px 4px}

/* 案例 */
.case-stack{display:grid;gap:24px}
.case-card{display:grid;grid-template-columns:5fr 7fr;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.case-card.reverse{grid-template-columns:7fr 5fr}
.case-card.reverse .case-media{order:2}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.case-media{position:relative;min-height:220px;background:var(--bg-alt)}
.case-media img{width:100%;height:100%;object-fit:cover}
.case-body{padding:28px 30px;display:flex;flex-direction:column;justify-content:center;gap:12px}
.case-body h3{font-size:20px;margin:0}
.case-body p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.85}
.case-tags{display:flex;flex-wrap:wrap;gap:8px}

/* 套餐 */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:stretch}
.plan{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px 26px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.plan:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.plan.featured{border:2px solid var(--accent);box-shadow:0 16px 36px rgba(138,34,70,.14);transform:translateY(-6px)}
.plan.featured:hover{transform:translateY(-9px);box-shadow:0 20px 44px rgba(138,34,70,.2)}
.plan-flag{position:absolute;top:-13px;left:26px}
.plan-name{font-size:17px;font-weight:700;margin:0 0 6px}
.plan-desc{font-size:13px;color:var(--muted);margin:0 0 18px;line-height:1.7}
.plan-price{font-size:40px;font-weight:700;letter-spacing:-1.5px;color:var(--primary);line-height:1.1}
.plan-price small{font-size:13.5px;font-weight:500;letter-spacing:0;color:var(--muted);margin-left:6px}
.plan-list{margin:20px 0 24px;flex:1}
.plan-list li{display:flex;gap:10px;font-size:14.5px;padding:8px 0;border-bottom:1px dashed var(--line);line-height:1.7}
.plan-list li:last-child{border-bottom:0}
.plan-list .ck{color:var(--success);font-weight:700;flex-shrink:0}
.plan-note{margin:18px 0 0;font-size:12.5px;color:var(--muted);line-height:1.7}

/* 评价墙 */
.review-wall{columns:3;column-gap:20px}
.review{break-inside:avoid;margin:0 0 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px 22px;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.review:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.review p{margin:0 0 14px;font-size:14.5px;line-height:1.85;color:var(--text)}
.review-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted)}
.review-stars{color:var(--accent);letter-spacing:2px;font-size:13px}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.stat{background:rgba(255,255,255,.04);border:1px solid rgba(232,168,124,.18);border-radius:var(--radius-card);padding:22px 20px;transition:border-color .24s var(--ease),transform .24s var(--ease)}
.stat:hover{border-color:rgba(232,168,124,.45);transform:translateY(-3px)}
.stat-num{font-size:clamp(28px,3.4vw,42px);font-weight:700;color:var(--accent);line-height:1.1;letter-spacing:-1px}
.stat-label{font-size:14px;color:rgba(244,237,233,.74);margin-top:8px;line-height:1.6}
.stats-note{margin:22px 0 0;font-size:13px;color:rgba(244,237,233,.56)}

/* 专题 */
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.topic-card{display:flex;flex-direction:column;gap:10px;background:linear-gradient(158deg,#FFFFFF 0%,#FDF3EA 100%);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 26px;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.topic-card h3{font-size:18px;margin:0}
.topic-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.75}
.topic-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:4px;font-size:12.5px;color:var(--muted)}

/* 资讯 CMS */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:36px}
.news-grid > .cell{display:flex}
.news-card{display:flex;flex-direction:column;gap:10px;width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 24px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(138,34,70,.3)}
.news-card h3{font-size:16.5px;line-height:1.6;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:10px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);display:flex;align-items:center;justify-content:space-between;gap:10px}
.empty-state{text-align:center;padding:46px 24px;border:1px dashed var(--line);border-radius:var(--radius-card);background:#fff;color:var(--muted);font-size:14px}
.empty-state .btn{margin-top:16px}

/* 安全 */
.safety-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:start}
.safety-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.safety-list li:last-child{border-bottom:0}
.safety-ico{width:34px;height:34px;border-radius:10px;background:var(--success-soft);color:var(--success);display:grid;place-items:center;font-weight:700;flex-shrink:0;border:1px solid rgba(47,122,91,.22)}
.safety-list h3{font-size:16.5px;margin:0 0 4px;display:flex;align-items:center;gap:8px}
.safety-list p{margin:0;font-size:14px;color:var(--muted);line-height:1.8}
.safety-aside{display:grid;gap:14px}
.safety-tile{background:#fff;border:1px solid rgba(47,122,91,.24);border-radius:var(--radius-card);padding:20px 22px;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.safety-tile:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.safety-tile strong{display:block;font-size:15px;margin-bottom:6px;color:var(--success)}
.safety-tile span{font-size:13.5px;color:var(--muted);line-height:1.75;display:block}

/* FAQ */
.faq{max-width:860px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq details[open]{border-color:rgba(138,34,70,.36);box-shadow:var(--shadow)}
.faq summary{list-style:none;cursor:pointer;position:relative;padding:16px 52px 16px 20px;font-weight:600;font-size:15.5px;line-height:1.7;transition:color .2s var(--ease)}
.faq summary:hover{color:var(--primary)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:20px;font-weight:400;color:var(--primary);transition:transform .2s var(--ease)}
.faq details[open] summary::after{content:"−"}
.faq details[open] summary{color:var(--primary)}
.faq-a{padding:0 20px 18px;font-size:14.5px;color:var(--muted);line-height:1.9}

/* 收口 CTA */
.cta-band{position:relative;overflow:hidden;background:var(--primary-dark);color:#fff;padding:76px 0;text-align:center}
.cta-band::before{content:"";position:absolute;left:-10%;top:-40%;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(232,168,124,.24) 0%,rgba(232,168,124,0) 70%)}
.cta-inner{position:relative;z-index:1;max-width:720px;margin:0 auto}
.cta-band h2{color:#fff;margin:0 0 14px}
.cta-band p{color:rgba(255,255,255,.82);font-size:16px;margin:0 0 26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-note{margin:20px 0 0;font-size:12.5px;color:rgba(255,255,255,.55)}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(244,237,233,.74);padding:56px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px}
.footer-brand .logo-name{color:#fff;font-size:17px;font-weight:700}
.footer-brand .logo-sub{color:rgba(244,237,233,.5)}
.footer-brand .logo-mark{box-shadow:none}
.footer-desc{margin:16px 0 0;font-size:13.5px;line-height:1.85;color:rgba(244,237,233,.6);max-width:34ch}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin:0 0 14px}
.footer-links li{margin-bottom:9px}
.footer-links a{color:rgba(244,237,233,.72);font-size:13.5px}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(244,237,233,.14);padding-top:18px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:rgba(244,237,233,.52)}
.footer-bottom a{color:rgba(244,237,233,.72)}
.footer-bottom a:hover{color:var(--accent)}

/* 响应式 */
@media (max-width:1023px){
  :root{--pad-y:64px}
  .container{padding:0 20px}
  .nav-wrap{padding:10px 20px;gap:14px}
  .main-nav{display:none}
  .search-box{max-width:220px}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .hero{padding:60px 0 92px;clip-path:polygon(0 0,100% 0,100% 95%,0 100%)}
  .check-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .entry-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .feature-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:24px}
  .step::after{display:none}
  .shots{grid-template-columns:1fr;gap:18px}
  .shot.is-main{transform:none}
  .shot.is-main:hover{transform:translateY(-3px)}
  .case-card,.case-card.reverse{grid-template-columns:1fr}
  .case-card.reverse .case-media{order:0}
  .case-media{min-height:200px}
  .plans{grid-template-columns:1fr;gap:18px}
  .plan.featured{transform:none}
  .plan.featured:hover{transform:translateY(-3px)}
  .review-wall{columns:2}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .topic-grid{grid-template-columns:1fr}
  .safety-grid{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:767px){
  body{font-size:16px}
  :root{--pad-y:52px}
  .container{padding:0 16px}
  .promo-inner{padding:7px 16px;gap:8px}
  .promo-right .promo-link{display:none}
  .nav-wrap{padding:8px 16px;min-height:64px;gap:10px}
  .logo-name{font-size:15px}
  .logo-sub{display:none}
  .search-box{max-width:none;flex:1}
  .icon-group{display:none}
  .hero{padding:48px 0 76px}
  .hero-lead{font-size:15.5px}
  .check-row{grid-template-columns:1fr;gap:9px}
  .check-item{font-size:13px;padding:8px 13px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section-head{margin-bottom:28px}
  .review-wall{columns:1}
  .stats{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .case-body{padding:22px}
  .plan{padding:24px 20px}
  .cta-band{padding:56px 0}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .entry-grid{grid-template-columns:1fr}
  .hero h1{letter-spacing:.2px}
  .plan-price{font-size:34px}
  .stat-num{font-size:30px}
}

/* roulang page: article */
:root{
  --primary:#8A2246;
  --primary-dark:#6B1734;
  --primary-soft:rgba(138,34,70,.08);
  --accent:#E8A87C;
  --accent-deep:#7A4318;
  --plum:#3B1F31;
  --bg:#FBF7F5;
  --bg-alt:#F3ECEA;
  --dark:#241A22;
  --text:#1F1A1C;
  --muted:#6B5F63;
  --line:#E7DCD8;
  --success:#2F7A5B;
  --success-soft:rgba(47,122,91,.1);
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow:0 2px 8px rgba(36,26,34,.06);
  --shadow-hover:0 12px 28px rgba(36,26,34,.13);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1180px;
  --pad-y:84px;
}
@media (max-width:1023px){:root{--pad-y:64px}}
@media (max-width:767px){:root{--pad-y:52px}}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--primary)}
ul,ol{margin:0;padding:0}
p{margin:0}
button,input{font:inherit;font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--pad-y) 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:38px}
.section-title{font-size:clamp(23px,3vw,36px);line-height:1.35;margin:0 0 14px;letter-spacing:.3px}
.section-desc{color:var(--muted);font-size:16px;margin:0;max-width:740px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--primary);background:var(--primary-soft);border:1px solid rgba(138,34,70,.16);border-radius:999px;padding:5px 14px;margin-bottom:14px}

/* 按钮系统 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--radius-btn);font-size:15.5px;font-weight:600;line-height:1.2;border:1.5px solid transparent;cursor:pointer;background:none;transition:background-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);text-align:center}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow)}
.btn-ghost{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#3A1D16}
.btn-accent:hover{background:#F0BE95;color:#3A1D16;transform:translateY(-1px);box-shadow:0 12px 28px rgba(232,168,124,.35)}
.btn-accent:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-pill{border-radius:999px}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.button,button.button{background-color:var(--primary);border-radius:var(--radius-btn);font-family:inherit;color:#fff;border:1.5px solid transparent}
.button:hover,button.button:hover{background-color:var(--primary-dark);color:#fff}
.text-link{color:var(--primary);font-weight:600;font-size:14px;border-bottom:2px solid transparent;transition:border-color .22s var(--ease),color .22s var(--ease)}
.text-link:hover{border-bottom-color:var(--primary);color:var(--primary-dark)}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1.7;white-space:nowrap}
.badge-primary{color:var(--primary);background:var(--primary-soft);border:1px solid rgba(138,34,70,.18)}
.badge-accent{color:var(--accent-deep);background:rgba(232,168,124,.24);border:1px solid rgba(232,168,124,.5)}
.badge-safe{color:var(--success);background:var(--success-soft);border:1px solid rgba(47,122,91,.24)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,247,245,.97);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .24s var(--ease)}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(36,26,34,.09)}
.nav-wrap{display:flex;align-items:center;gap:20px;max-width:var(--container);margin:0 auto;padding:10px 24px;min-height:72px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(140deg,var(--primary) 0%,var(--plum) 100%);display:grid;place-items:center;color:#fff;font-weight:700;font-size:14px;letter-spacing:.5px;box-shadow:var(--shadow)}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-name{font-size:16.5px;font-weight:700;letter-spacing:.2px;color:var(--text);white-space:nowrap}
.logo-sub{font-size:10.5px;letter-spacing:1.4px;color:var(--muted);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;padding:10px 12px;font-size:15px;border-radius:8px;color:var(--text);white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:600}
.search-box{position:relative;flex:1 1 auto;max-width:270px;margin-left:auto;min-width:140px}
.search-box input{width:100%;height:42px;border:1px solid var(--line);border-radius:999px;background:#fff;padding:0 16px 0 42px;font-size:14px;color:var(--text);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.search-box input::placeholder{color:#A2959A}
.search-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(138,34,70,.1)}
.search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:#A2959A;display:flex;pointer-events:none}
.icon-group{display:flex;align-items:center;gap:6px}
.icon-btn{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;border:1px solid transparent;background:transparent;color:var(--text);cursor:pointer;transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.icon-btn:hover{background:var(--primary-soft);color:var(--primary);border-color:rgba(138,34,70,.16)}
.icon-btn:active{background:rgba(138,34,70,.14)}
.nav-cta{flex-shrink:0}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;position:relative;margin-left:auto}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;width:18px;height:2px;background:var(--text);border-radius:2px;transform:translateX(-50%);transition:background .2s var(--ease)}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none}

/* 文章头部 */
.article-hero{background:linear-gradient(180deg,var(--bg-alt) 0%,var(--bg) 100%);border-bottom:1px solid var(--line);padding:40px 0 34px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;list-style:none;padding:0;margin:0 0 18px;font-size:13px;color:var(--muted)}
.crumbs li{display:flex;align-items:center;gap:6px}
.crumbs li::after{content:"/";color:#C7B8BC}
.crumbs li:last-child::after{content:""}
.crumbs a:hover{color:var(--primary)}
.crumbs .current{color:var(--text);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{font-size:clamp(26px,3.6vw,38px);line-height:1.35;font-weight:700;letter-spacing:.4px;margin:0 0 18px;max-width:900px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;font-size:13px;color:var(--muted)}
.meta-divider{width:1px;height:12px;background:var(--line)}
.meta-strong{color:var(--text);font-weight:600}

/* 封面 */
.article-cover{padding:34px 0 0;background:var(--bg)}
.cover-inner{max-width:960px;margin:0 auto;padding:0 24px}
.cover-inner img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow)}
.cover-caption{font-size:12.5px;color:var(--muted);text-align:center;margin-top:12px}

/* 正文 */
.article-main{padding:44px 0 40px}
.article-layout{max-width:860px;margin:0 auto;padding:0 24px}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.85;color:var(--text);overflow-wrap:break-word;word-break:break-word}
.article-body p{margin:0 0 1em;line-height:1.85}
.article-body h2{font-size:clamp(21px,2.4vw,28px);line-height:1.45;margin:38px 0 16px;padding-left:14px;border-left:4px solid var(--primary);letter-spacing:.2px}
.article-body h3{font-size:20px;line-height:1.5;margin:28px 0 12px;color:var(--text)}
.article-body h4{font-size:17.5px;margin:22px 0 10px}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1em}
.article-body li{margin:.42em 0;line-height:1.8}
.article-body ul li::marker{color:var(--primary)}
.article-body ol li::marker{color:var(--primary);font-weight:600}
.article-body blockquote{margin:26px 0;padding:16px 20px;background:var(--bg-alt);border-left:3px solid var(--primary);border-radius:0 10px 10px 0;color:#4B3F43}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--primary-dark)}
.article-body img{border-radius:var(--radius-img);margin:22px 0;max-width:100%;height:auto}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:12.5px;color:var(--muted);text-align:center;margin-top:8px}
.article-body strong{font-weight:700;color:var(--text)}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0}
.article-body code{background:var(--bg-alt);border:1px solid var(--line);border-radius:6px;padding:2px 7px;font-size:14.5px}
.article-body pre{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius-img);padding:16px 18px;overflow-x:auto;font-size:14.5px;line-height:1.7}
.article-body pre code{background:none;border:none;padding:0}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--bg-alt);font-weight:600}

/* 空态 */
.article-empty{max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:44px 30px;text-align:center;box-shadow:var(--shadow)}
.article-empty h2{font-size:22px;margin:0 0 10px;border:none;padding:0}
.article-empty p{color:var(--muted);font-size:15px;margin:0 0 22px}

/* 合规提示 */
.compliance{max-width:760px;margin:36px auto 0;padding:18px 22px;background:var(--success-soft);border:1px solid rgba(47,122,91,.24);border-radius:var(--radius-card);display:flex;gap:14px;align-items:flex-start}
.compliance-icon{flex:0 0 auto;width:32px;height:32px;border-radius:10px;background:rgba(47,122,91,.14);display:grid;place-items:center;color:var(--success)}
.compliance p{margin:0;font-size:14px;line-height:1.75;color:#245C45}
.compliance strong{color:#1C4A37}

/* 相关推荐 */
.related{background:var(--bg-alt);padding:var(--pad-y) 0;border-top:1px solid var(--line)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(138,34,70,.24)}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.rel-body h3{font-size:17px;line-height:1.5;margin:0;font-weight:600}
.rel-foot{margin-top:auto;font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:8px}

/* 上一篇下一篇 */
.post-nav-wrap{max-width:860px;margin:0 auto;padding:0 24px}
.post-nav{display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:center;max-width:760px;margin:0 auto;padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.post-nav-item{display:flex;flex-direction:column;gap:4px;padding:12px 16px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease)}
.post-nav-item:hover{border-color:rgba(138,34,70,.3);transform:translateY(-2px);box-shadow:var(--shadow)}
.post-nav-item span{font-size:12px;color:var(--muted)}
.post-nav-item strong{font-size:14.5px;font-weight:600}
.post-nav-item.next{text-align:right;align-items:flex-end}
.post-nav-mid{font-size:13.5px;color:var(--primary);font-weight:600;white-space:nowrap;padding:8px 14px;border-radius:999px;background:var(--primary-soft)}
.post-nav-mid:hover{background:rgba(138,34,70,.14)}

/* 页尾延伸 */
.tail{padding:0 0 var(--pad-y)}
.tail-inner{max-width:760px;margin:0 auto;padding:32px 24px 0}
.tail-title{font-size:19px;margin:0 0 18px;font-weight:700}
.tail-list{list-style:none;padding:0;margin:0 0 26px}
.tail-list li{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:15px}
.tail-list li a{transition:color .2s var(--ease)}
.tail-list li a:hover{color:var(--primary)}
.tail-list time{font-size:12.5px;color:var(--muted);flex-shrink:0}
.tail-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(244,237,233,.8);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo-name{color:#fff}
.footer-brand .logo-sub{color:rgba(232,168,124,.85)}
.footer-brand .logo-mark{background:linear-gradient(140deg,var(--primary) 0%,#5A2B45 100%)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(244,237,233,.65);margin-top:16px;max-width:330px}
.footer-title{font-size:15px;color:#fff;margin:0 0 16px;font-weight:600}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(244,237,233,.7)}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:48px;padding-top:22px;border-top:1px solid rgba(244,237,233,.14);font-size:12.5px;color:rgba(244,237,233,.5)}

/* 响应式 */
@media (max-width:1023px){
  .nav-wrap{gap:14px}
  .main-nav,.search-box,.icon-group,.nav-cta{display:none}
  .nav-toggle{display:block}
  body.nav-open .main-nav{display:flex;flex-direction:column;align-items:stretch;width:100%;order:8;margin-top:10px;padding-top:8px;border-top:1px solid var(--line)}
  body.nav-open .nav-link{padding:13px 10px;border-radius:10px;width:100%}
  body.nav-open .nav-link::after{display:none}
  body.nav-open .nav-link.active{background:var(--primary-soft)}
  body.nav-open .search-box{display:block;order:9;width:100%;max-width:none;margin:12px 0 4px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .article-layout,.cover-inner,.post-nav-wrap,.tail-inner{padding:0 16px}
  .article-hero{padding:28px 0 24px}
  .article-title{font-size:clamp(24px,6vw,30px)}
  .article-body{font-size:16.5px}
  .article-cover{padding-top:24px}
  .related-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr;gap:12px}
  .post-nav-item.next{text-align:left;align-items:flex-start}
  .post-nav-mid{justify-self:start}
  .tail-list li{flex-direction:column;align-items:flex-start;gap:4px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:6px}
  .btn{width:100%}
  .btn.btn-inline{width:auto}
}

/* roulang page: category1 */
:root{
  --primary:#8A2246;
  --primary-dark:#6B1734;
  --primary-soft:rgba(138,34,70,.08);
  --accent:#E8A87C;
  --accent-deep:#7A4318;
  --plum:#3B1F31;
  --bg:#FBF7F5;
  --bg-alt:#F3ECEA;
  --dark:#241A22;
  --text:#1F1A1C;
  --muted:#6B5F63;
  --line:#E7DCD8;
  --success:#2F7A5B;
  --success-soft:rgba(47,122,91,.1);
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow:0 2px 8px rgba(36,26,34,.06);
  --shadow-hover:0 12px 28px rgba(36,26,34,.13);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1180px;
  --pad-y:84px;
}
@media (max-width:1023px){:root{--pad-y:64px}}
@media (max-width:767px){:root{--pad-y:52px}}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;font-size:16.5px;line-height:1.8;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,ul,ol,li,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--primary)}
button,input,select,textarea{font:inherit;font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (max-width:1023px){.container{padding:0 20px}}
@media (max-width:767px){.container{padding:0 16px}}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--radius-btn);font-size:15.5px;font-weight:600;line-height:1.2;border:1.5px solid transparent;cursor:pointer;background:none;text-align:center;transition:background-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow)}
.btn-ghost{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#3A1D16}
.btn-accent:hover{background:#F0BE95;color:#3A1D16;transform:translateY(-1px);box-shadow:0 12px 28px rgba(232,168,124,.35)}
.btn-accent:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-pill{border-radius:999px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.button,button.button{background-color:var(--primary);border-radius:var(--radius-btn);font-family:inherit;color:#fff;border:1.5px solid transparent}
.button:hover,button.button:hover{background-color:var(--primary-dark);color:#fff}
.text-link{color:var(--primary);font-weight:600;font-size:14px;border-bottom:2px solid transparent;transition:border-color .22s var(--ease),color .22s var(--ease)}
.text-link:hover{border-bottom-color:var(--primary);color:var(--primary-dark)}

/* 徽章 / 标签 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1.7;white-space:nowrap}
.badge-primary{color:var(--primary);background:var(--primary-soft);border:1px solid rgba(138,34,70,.18)}
.badge-accent{color:var(--accent-deep);background:rgba(232,168,124,.24);border:1px solid rgba(232,168,124,.5)}
.badge-safe{color:var(--success);background:var(--success-soft);border:1px solid rgba(47,122,91,.24)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,247,245,.97);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .24s var(--ease)}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(36,26,34,.09)}
.nav-wrap{display:flex;align-items:center;gap:20px;max-width:var(--container);margin:0 auto;padding:10px 24px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(140deg,var(--primary) 0%,var(--plum) 100%);display:grid;place-items:center;color:#fff;font-weight:700;font-size:14px;letter-spacing:.5px;box-shadow:var(--shadow)}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-name{font-size:16.5px;font-weight:700;letter-spacing:.2px;color:var(--text);white-space:nowrap}
.logo-sub{font-size:10.5px;letter-spacing:1.4px;color:var(--muted);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;padding:10px 12px;font-size:15px;border-radius:8px;color:var(--text);white-space:nowrap;transition:color .22s var(--ease)}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:600}
.search-box{position:relative;flex:1 1 auto;max-width:270px;margin-left:auto;min-width:140px}
.search-box input{width:100%;height:42px;border:1px solid var(--line);border-radius:999px;background:#fff;padding:0 16px 0 42px;font-size:14px;color:var(--text);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.search-box input::placeholder{color:#A2959A}
.search-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(138,34,70,.1)}
.search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--muted);display:flex;pointer-events:none}
.icon-group{display:flex;align-items:center;gap:6px}
.icon-btn{width:38px;height:38px;border-radius:50%;border:1px solid transparent;background:transparent;color:var(--muted);display:grid;place-items:center;cursor:pointer;transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.icon-btn:hover{background:var(--primary-soft);color:var(--primary);border-color:rgba(138,34,70,.16)}
.nav-cta{flex-shrink:0}
.nav-toggle{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;transform:translateX(-50%);width:18px;height:2px;background:var(--text);border-radius:2px;content:"";transition:transform .24s var(--ease),opacity .2s var(--ease)}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-header.nav-open .nav-toggle span{background:transparent}
.site-header.nav-open .nav-toggle span::before{transform:translateX(-50%) rotate(45deg);top:0}
.site-header.nav-open .nav-toggle span::after{transform:translateX(-50%) rotate(-45deg);top:0}

/* 通用 section */
.section{padding:var(--pad-y) 0}
.section-alt{background:var(--bg-alt)}
.section-line{border-top:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--primary);background:var(--primary-soft);border:1px solid rgba(138,34,70,.16);border-radius:999px;padding:5px 14px;margin-bottom:14px}
.section-title{font-size:clamp(23px,3vw,36px);line-height:1.35;margin:0 0 14px;letter-spacing:.3px}
.section-desc{color:var(--muted);font-size:16px;max-width:740px}

/* 分类页头 */
.cat-head{background:linear-gradient(180deg,#F7F0ED 0%,var(--bg) 100%);border-bottom:1px solid var(--line);padding:36px 0 34px}
.breadcrumb{display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--muted);margin-bottom:20px}
.breadcrumb li+li::before{content:"/";margin-right:6px;color:#C9BCC0}
.breadcrumb a:hover{color:var(--primary)}
.cat-head-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:flex-end}
.cat-head h1{font-size:clamp(28px,3.6vw,40px);line-height:1.3;margin:12px 0 14px;letter-spacing:.5px;font-weight:700}
.cat-lead{max-width:660px;color:var(--muted);font-size:16.5px;line-height:1.85}
.cat-stat{display:flex;flex-direction:column;gap:10px;font-size:13px;color:var(--muted);border-left:1px solid var(--line);padding-left:24px;min-width:180px}
.cat-stat strong{display:block;font-size:15px;color:var(--text);font-weight:600}
.cat-stat span{display:inline-flex;align-items:center;gap:6px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--success);display:inline-block}

/* 筛选条 */
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:18px 0 4px}
.chip{padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:14px;cursor:pointer;transition:all .2s var(--ease)}
.chip:hover{border-color:rgba(138,34,70,.35);color:var(--primary)}
.chip.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}
.filter-right{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.sort-select{height:38px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--text);font-size:13.5px;padding:0 14px;cursor:pointer}
.sort-select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(138,34,70,.1)}

/* 列表布局 */
.list-layout{display:grid;grid-template-columns:258px minmax(0,1fr);gap:32px;align-items:start;padding-top:26px}
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow)}
.side-title{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--primary);display:inline-block}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12.5px;padding:5px 11px;border-radius:999px;background:var(--bg-alt);color:var(--muted);border:1px solid transparent;transition:all .2s var(--ease)}
.tag:hover{background:var(--primary-soft);color:var(--primary);border-color:rgba(138,34,70,.2)}
.side-note{font-size:13.5px;color:var(--muted);line-height:1.8}
.side-safe{background:var(--success-soft);border:1px solid rgba(47,122,91,.22)}
.side-safe .side-title::before{background:var(--success)}
.side-safe .side-note{color:#2A6450}

.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(138,34,70,.22)}
.post-thumb{display:block;position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-title{font-size:18px;line-height:1.5;font-weight:700;letter-spacing:.2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-title a:hover{color:var(--primary)}
.post-sum{font-size:14.5px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:12.5px;color:#9A8E92;flex-wrap:wrap}
.list-more{display:flex;justify-content:center;margin-top:34px}
.list-empty{background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);padding:48px 24px;text-align:center;color:var(--muted);font-size:14.5px}
.list-empty .btn{margin-top:16px}

/* 术语卡 */
.gloss-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.gloss-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.gloss-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.gloss-icon{width:36px;height:36px;border-radius:11px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-weight:700;font-size:14px;margin-bottom:14px}
.gloss-card h3{font-size:18px;margin-bottom:8px}
.gloss-card p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* 深度解读 */
.deep-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:center}
.deep-text h2{font-size:clamp(22px,2.6vw,32px);line-height:1.4;margin-bottom:20px}
.deep-text p{color:var(--muted);font-size:16px;line-height:1.9;margin-bottom:16px}
.deep-text p:last-child{margin-bottom:0}
.deep-figure{border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-hover);border:1px solid var(--line)}
.deep-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.deep-cap{font-size:12.5px;color:#9A8E92;padding:12px 16px;background:#fff;border-top:1px solid var(--line)}

/* 场景卡 */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.scene-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 26px 24px 30px;box-shadow:var(--shadow);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.scene-card::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;background:var(--primary)}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.scene-card h3{font-size:17.5px;margin-bottom:8px}
.scene-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.scene-note{display:inline-block;margin-top:12px;font-size:12.5px;color:#9A8E92}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow);overflow:hidden;transition:border-color .22s var(--ease)}
.faq-item[open]{border-color:rgba(138,34,70,.3)}
.faq-q{list-style:none;cursor:pointer;padding:19px 54px 19px 24px;font-size:16.5px;font-weight:600;position:relative;line-height:1.6;transition:color .2s var(--ease)}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{color:var(--primary)}
.faq-q::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:20px;font-weight:400;color:var(--primary);transition:transform .24s var(--ease)}
.faq-item[open] .faq-q::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.85;animation:faqIn .24s var(--ease)}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* CTA */
.cta-band{background:var(--dark);padding:var(--pad-y) 0;text-align:center}
.cta-band h2{font-size:clamp(23px,3vw,34px);color:#fff;line-height:1.4;margin-bottom:14px}
.cta-band p{color:rgba(244,237,233,.76);max-width:640px;margin:0 auto 28px;font-size:16px}
.cta-band .cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-note{margin-top:20px;font-size:12.5px;color:rgba(244,237,233,.5)}

/* 页脚 */
.site-footer{background:var(--plum);color:rgba(251,247,245,.78);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo-name{color:#FBF7F5}
.footer-brand .logo-sub{color:rgba(251,247,245,.55)}
.footer-brand .logo-mark{background:linear-gradient(140deg,var(--accent) 0%,var(--primary) 100%);color:#3A1D16}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(251,247,245,.62);max-width:330px}
.footer-title{font-size:15px;color:#FBF7F5;margin-bottom:16px;font-weight:700}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(251,247,245,.7)}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(251,247,245,.14);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:rgba(251,247,245,.55)}

/* 移动端导航 */
@media (max-width:900px){
  .main-nav,.search-box,.icon-group,.nav-cta{display:none}
  .nav-toggle{display:block}
  .nav-wrap{flex-wrap:wrap;min-height:64px;padding:9px 16px;gap:12px}
  .site-header.nav-open .main-nav{display:flex;flex-direction:column;align-items:stretch;width:100%;order:10;gap:0;padding-top:6px}
  .site-header.nav-open .nav-link{padding:14px 4px;border-bottom:1px solid var(--line);font-size:15.5px}
  .site-header.nav-open .nav-link::after{display:none}
  .site-header.nav-open .search-box{display:block;order:11;max-width:none;width:100%;margin:14px 0 0}
  .site-header.nav-open .nav-cta{display:inline-flex;order:12;width:100%;margin:14px 0 8px}
  .logo-name{font-size:15.5px}
  .logo-sub{font-size:10px}
}

@media (max-width:1023px){
  .cat-head-grid{grid-template-columns:1fr;align-items:start;gap:20px}
  .cat-stat{border-left:none;border-top:1px solid var(--line);padding-left:0;padding-top:16px;flex-direction:row;flex-wrap:wrap;gap:18px;font-size:12.5px}
  .list-layout{grid-template-columns:1fr;gap:24px}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 280px}
  .deep-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .post-grid,.gloss-grid,.scene-grid{grid-template-columns:1fr}
  .post-body{padding:18px}
  .cat-head{padding:26px 0}
  .filter-right{margin-left:0;width:100%}
  .faq-q{font-size:15.5px;padding:16px 46px 16px 18px}
  .faq-a{padding:0 18px 18px;font-size:14.5px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-band .cta-actions .btn{width:100%}
}