/* roulang page: index */
:root{
  --primary:#17627F;
  --primary-dark:#0F4659;
  --primary-light:#E8F1F5;
  --green:#6FA55B;
  --amber:#C08A3E;
  --bg:#F7F9FA;
  --surface:#FFFFFF;
  --text:#17272E;
  --text-2:#55666E;
  --text-3:#8A979E;
  --border:#E3E9EC;
  --radius-s:8px;
  --radius-m:12px;
  --radius-l:16px;
  --shadow-card:0 1px 2px rgba(23,98,127,.06),0 8px 24px rgba(23,98,127,.08);
  --shadow-hover:0 4px 8px rgba(23,98,127,.08),0 14px 32px rgba(23,98,127,.12);
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC','SimSun',serif;
  --font-sans:system-ui,-apple-system,'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',sans-serif;
  --sec-pad:88px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;margin:0;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 8px 0;z-index:999}
.skip-link:focus{left:0}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.section{padding:var(--sec-pad) 0}
.section--alt{background:var(--surface)}
.section--tight{padding:56px 0}
.sec-head{max-width:780px;margin-bottom:40px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--primary);background:var(--primary-light);border-radius:999px;padding:4px 14px;margin-bottom:14px;letter-spacing:.04em}
.sec-title{font-size:32px;line-height:1.35}
.sec-desc{margin-top:14px;color:var(--text-2);font-size:15px;line-height:1.85;max-width:720px}
.sec-head--center .sec-desc{margin-left:auto;margin-right:auto}
.sec-more{margin-top:36px;display:flex;justify-content:center}

/* ===== 顶部品牌栏 ===== */
.site-header{background:#fff;border-bottom:1px solid var(--border);position:relative;z-index:70}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:74px}
.logo{display:flex;align-items:center;gap:11px;color:var(--text);text-decoration:none;flex:none}
.logo:hover{text-decoration:none}
.logo-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(150deg,var(--primary) 0%,var(--primary-dark) 100%);display:grid;place-items:center;flex:none}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text b{font-family:var(--font-serif);font-size:19px;font-weight:600;letter-spacing:.01em}
.logo-text span{font-size:11px;color:var(--text-3);letter-spacing:.06em;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:30px}
.main-nav a{color:var(--text-2);font-size:15px;position:relative;padding:6px 0;transition:color .2s ease-out}
.main-nav a:hover{color:var(--primary);text-decoration:none}
.main-nav a.is-active{color:var(--primary);font-weight:500}
.main-nav a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:18px}
.header-links{display:flex;align-items:center;gap:18px}
.header-links a{font-size:14px;color:var(--text-2)}
.header-links a:hover{color:var(--primary)}
.tel-btn{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:8px;background:var(--primary-light);color:var(--primary-dark);font-size:14px;font-weight:500;font-variant-numeric:tabular-nums}
.tel-btn:hover{background:#D8E9F0;text-decoration:none}
.burger{display:none;width:44px;height:44px;border:1px solid var(--border);background:#fff;border-radius:10px;align-items:center;justify-content:center;cursor:pointer}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.drawer{display:none;position:fixed;inset:74px 0 0 0;background:#fff;z-index:65;padding:24px;flex-direction:column;gap:6px;border-top:1px solid var(--border)}
.drawer.is-open{display:flex}
.drawer a{padding:14px 4px;font-size:17px;color:var(--text);border-bottom:1px solid var(--border)}
.drawer a:last-of-type{border-bottom:0}
.drawer .drawer-tel{margin-top:16px;background:var(--primary);color:#fff;border-radius:10px;text-align:center;border-bottom:0;font-weight:500}

/* ===== 首屏 ===== */
.hero{position:relative;min-height:620px;display:flex;align-items:flex-end;overflow:hidden;background:var(--primary-dark)}
.hero-media{position:absolute;inset:0}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,54,68,.70) 0%,rgba(11,54,68,.52) 42%,rgba(11,54,68,.88) 100%)}
.hero-inner{position:relative;z-index:2;padding-top:150px;padding-bottom:52px}
.hero-brand{display:inline-flex;align-items:center;gap:9px;font-size:13px;letter-spacing:.16em;color:#A8D6E4;margin-bottom:18px}
.hero-brand::before{content:"";width:26px;height:2px;background:var(--green);border-radius:2px}
.hero h1{font-size:44px;line-height:1.25;color:#fff;max-width:860px;letter-spacing:.01em}
.hero-sub{margin-top:16px;font-size:20px;line-height:1.6;color:#D6ECF3;max-width:760px}
.hero-desc{margin-top:20px;font-size:15px;line-height:1.9;color:#C2DFE9;max-width:700px}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}
.hero-badges{margin-top:52px;display:flex;justify-content:flex-end}
.badge-group{display:flex;background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.2);border-radius:14px;overflow:hidden;backdrop-filter:blur(6px)}
.badge-item{padding:14px 24px;text-align:center;border-left:1px solid rgba(255,255,255,.14)}
.badge-item:first-child{border-left:0}
.badge-num{font-family:var(--font-serif);font-size:23px;font-weight:600;color:#fff;font-variant-numeric:tabular-nums;line-height:1.3}
.badge-num em{font-style:normal;font-size:12px;color:#AFD8E5;margin-left:2px}
.badge-label{font-size:12px;color:#AFD8E5;margin-top:4px;white-space:nowrap}
.hero-ribbon{position:absolute;left:0;right:0;bottom:0;height:3px;z-index:3;background:linear-gradient(90deg,var(--primary) 0%,var(--green) 55%,var(--amber) 100%)}

/* ===== Pill 导航 ===== */
.pillbar{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.95);border-bottom:1px solid var(--border);backdrop-filter:blur(10px)}
.pillbar-inner{display:flex;align-items:center;gap:8px;padding:11px 0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.pillbar-inner::-webkit-scrollbar{display:none}
.pill{display:inline-flex;align-items:center;white-space:nowrap;padding:8px 17px;border-radius:999px;border:1px solid var(--border);background:#fff;color:var(--text);font-size:14px;line-height:1.5;transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
.pill:hover{background:var(--primary-light);border-color:#C6DEE8;color:var(--primary-dark);text-decoration:none}
.pill.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(23,98,127,.22)}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:8px;font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(23,98,127,.22)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(23,98,127,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark)}
.btn-ghost{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--primary);font-weight:500}
.link-arrow svg{transition:transform .2s ease-out}
.link-arrow:hover{text-decoration:none}
.link-arrow:hover svg{transform:translateX(3px)}

/* ===== 通用卡片 ===== */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);box-shadow:var(--shadow-card);transition:box-shadow .2s ease-out,transform .2s ease-out}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.tag{display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;font-size:12px;line-height:1.7;background:var(--primary-light);color:var(--primary-dark)}
.tag--green{background:#EDF5E9;color:#4C7A3C}
.tag--amber{background:#FAF1E3;color:#8D6326}

/* ===== 卖点三连 ===== */
.feature-card{padding:28px 24px;display:flex;flex-direction:column;gap:0;height:100%}
.feature-icon{width:46px;height:46px;border-radius:12px;background:var(--primary-light);display:grid;place-items:center;margin-bottom:18px}
.feature-card h3{font-size:19px;line-height:1.5;margin-bottom:10px}
.feature-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;min-height:78px}
.feature-card .link-arrow{margin-top:16px}

/* ===== 场景演示 ===== */
.scene-grid{display:grid;grid-template-columns:1.35fr 1fr;grid-template-rows:270px 210px;gap:20px}
.scene-item{position:relative;overflow:hidden;border-radius:var(--radius-m);border:1px solid var(--border);background:#DDE5E9}
.scene-item--tall{grid-row:1 / span 2}
.scene-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease-out}
.scene-item:hover img{transform:scale(1.03)}
.scene-cap{position:absolute;left:0;right:0;bottom:0;padding:26px 18px 14px;background:linear-gradient(180deg,rgba(15,45,56,0) 0%,rgba(15,45,56,.82) 100%);color:#fff;font-size:13.5px;line-height:1.6}
.scene-cap b{display:block;font-size:15px;font-weight:600;margin-bottom:3px}
.scene-cap span{color:#C6DFE8}
.play-btn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:62px;height:62px;border-radius:50%;border:0;background:rgba(255,255,255,.92);display:grid;place-items:center;cursor:pointer;box-shadow:0 8px 24px rgba(15,70,89,.3);transition:transform .2s ease-out}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.06)}
.video-time{position:absolute;right:12px;top:12px;background:rgba(15,45,56,.72);color:#fff;font-size:12px;padding:3px 9px;border-radius:6px;font-variant-numeric:tabular-nums}

/* ===== 资源目录卡 ===== */
.res-card{overflow:hidden;display:flex;flex-direction:column;height:100%}
.res-thumb{position:relative;aspect-ratio:16 / 10;overflow:hidden;background:#E4EBEE}
.res-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease-out}
.res-card:hover .res-thumb img{transform:scale(1.04)}
.res-thumb .tag{position:absolute;right:10px;bottom:10px;background:rgba(255,255,255,.94)}
.res-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.res-body h3{font-size:17px;line-height:1.5;margin-bottom:8px}
.res-meta{font-size:13px;color:var(--text-2);line-height:1.7}
.res-foot{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ===== 资讯流 + 热榜 ===== */
.feed-wrap{display:grid;grid-template-columns:1.55fr 1fr;gap:28px;align-items:start}
.feed-list{display:flex;flex-direction:column;gap:14px}
.feed-item{display:flex;gap:18px;padding:20px 22px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);box-shadow:var(--shadow-card);transition:box-shadow .2s ease-out,transform .2s ease-out}
.feed-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.feed-date{flex:none;width:64px;text-align:center;border-right:1px solid var(--border);padding-right:8px}
.feed-date b{display:block;font-family:var(--font-serif);font-size:22px;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2}
.feed-date span{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
.feed-main h3{font-size:16.5px;line-height:1.55;margin-bottom:6px}
.feed-main h3 a{color:var(--text)}
.feed-main h3 a:hover{color:var(--primary);text-decoration:none}
.feed-main p{font-size:13.5px;color:var(--text-2);line-height:1.7}
.rank-panel{background:#fff;border:1px solid var(--border);border-radius:var(--radius-l);box-shadow:var(--shadow-card);padding:24px}
.rank-panel h3{font-size:18px;margin-bottom:6px}
.rank-panel .rank-note{font-size:13px;color:var(--text-3);margin-bottom:16px}
.rank-list li{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed var(--border);font-size:14.5px}
.rank-list li:last-child{border-bottom:0}
.rank-no{flex:none;width:24px;height:24px;border-radius:7px;background:var(--primary-light);color:var(--primary-dark);font-size:12.5px;display:grid;place-items:center;font-variant-numeric:tabular-nums;font-weight:600}
.rank-list li:nth-child(1) .rank-no,.rank-list li:nth-child(2) .rank-no,.rank-list li:nth-child(3) .rank-no{background:var(--primary);color:#fff}
.rank-list a{color:var(--text)}
.rank-list a:hover{color:var(--primary);text-decoration:none}
.rank-count{margin-left:auto;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ===== 时间轴 ===== */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:24px}
.timeline::before{content:"";position:absolute;left:6%;right:6%;top:44px;height:2px;background:linear-gradient(90deg,var(--primary) 0%,var(--green) 100%);opacity:.35}
.step{position:relative;text-align:center;padding:0 8px}
.step-no{position:relative;z-index:2;width:44px;height:44px;margin:0 auto 18px;border-radius:50%;background:#fff;border:2px solid var(--primary);color:var(--primary);font-family:var(--font-serif);font-size:19px;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--text-2);line-height:1.75}

/* ===== 入口砖 ===== */
.tile-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tile{display:flex;flex-direction:column;gap:10px;padding:24px 22px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);box-shadow:var(--shadow-card);transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;color:var(--text)}
.tile:hover{text-decoration:none;box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#C6DEE8}
.tile-icon{width:40px;height:40px;border-radius:10px;background:var(--primary-light);display:grid;place-items:center}
.tile b{font-family:var(--font-serif);font-size:17px;font-weight:600}
.tile span{font-size:13px;color:var(--text-2);line-height:1.7}

/* ===== 评价 ===== */
.review-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.score-badge{display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--border);border-radius:999px;padding:8px 18px;box-shadow:var(--shadow-card)}
.score-badge b{font-family:var(--font-serif);font-size:20px;color:var(--amber);font-variant-numeric:tabular-nums}
.score-badge span{font-size:13px;color:var(--text-2)}
.review-card{padding:24px;display:flex;flex-direction:column;gap:0;height:100%}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--primary-light);color:var(--primary-dark);display:grid;place-items:center;font-size:14px;font-weight:600;flex:none}
.review-name{font-size:15px;font-weight:600}
.review-time{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.stars{color:var(--amber);font-size:14px;letter-spacing:2px;margin-bottom:10px}
.review-card p{font-size:14.5px;color:var(--text-2);line-height:1.8}

/* ===== 对比 ===== */
.compare{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--border);background:#fff;box-shadow:var(--shadow-card)}
.compare-col{padding:32px 30px}
.compare-col--dim{background:#EEF1F2}
.compare-col--own{background:#fff;border-left:1px dashed #C9D6DC}
.compare-label{display:inline-flex;align-items:center;gap:7px;font-size:13px;padding:4px 13px;border-radius:999px;margin-bottom:20px}
.compare-label--dim{background:#DCE2E5;color:#4C5A61}
.compare-label--own{background:var(--primary-light);color:var(--primary-dark)}
.compare-col h3{font-size:18px;margin-bottom:16px}
.compare-list li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.7;color:var(--text-2);margin-bottom:13px}
.compare-list li:last-child{margin-bottom:0}
.compare-col--dim .compare-list li::before{content:"";position:absolute;left:5px;top:11px;width:9px;height:2px;background:#93A2A9}
.compare-col--own .compare-list li::before{content:"";position:absolute;left:3px;top:6px;width:6px;height:10px;border-left:2px solid var(--green);border-bottom:2px solid var(--green);transform:rotate(-45deg)}
.vs-line{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--border);display:grid;place-items:center;font-size:12px;color:var(--text-3);letter-spacing:.06em;z-index:2}

/* ===== 数据条 ===== */
.data-strip{background:var(--primary-dark);border-radius:var(--radius-l);padding:38px 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:0;overflow:hidden}
.data-item{text-align:center;padding:0 16px;border-left:1px solid rgba(255,255,255,.15)}
.data-item:first-child{border-left:0}
.data-item b{display:block;font-family:var(--font-serif);font-size:34px;font-weight:600;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2}
.data-item b em{font-style:normal;font-size:15px;color:#9FD0E0;margin-left:3px}
.data-item span{display:block;font-size:13px;color:#A8CBD8;margin-top:8px}

/* ===== 文章卡 ===== */
.art-card{overflow:hidden;display:flex;flex-direction:column;height:100%}
.art-thumb{aspect-ratio:16 / 9;overflow:hidden;background:#E4EBEE}
.art-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease-out}
.art-card:hover .art-thumb img{transform:scale(1.04)}
.art-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.art-body h3{font-size:17px;line-height:1.55;margin-bottom:10px}
.art-body h3 a{color:var(--text)}
.art-body h3 a:hover{color:var(--primary);text-decoration:none}
.art-body p{font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-foot{margin-top:auto;padding-top:14px;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);box-shadow:var(--shadow-card);overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 56px 18px 22px;font-family:var(--font-serif);font-size:16.5px;font-weight:600;line-height:1.55;position:relative;transition:color .2s ease-out}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--primary);font-family:var(--font-sans);line-height:1;transition:transform .25s ease-out}
.faq-item[open] summary::after{content:"−"}
.faq-item[open] summary{color:var(--primary)}
.faq-body{padding:0 22px 20px;font-size:14.5px;line-height:1.85;color:var(--text-2);max-width:60ch}

/* ===== 保障条 ===== */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.guard{display:flex;gap:14px;align-items:flex-start;padding:22px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);box-shadow:var(--shadow-card)}
.guard-icon{width:38px;height:38px;border-radius:10px;background:#EDF5E9;display:grid;place-items:center;flex:none}
.guard b{display:block;font-size:15px;margin-bottom:5px;font-family:var(--font-serif)}
.guard span{font-size:13px;color:var(--text-2);line-height:1.7}

/* ===== 关于快捷条 ===== */
.about-strip{display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:var(--radius-l);box-shadow:var(--shadow-card);padding:40px}
.about-strip h2{font-size:26px;margin-bottom:14px}
.about-strip p{font-size:15px;color:var(--text-2);line-height:1.9}
.about-actions{display:flex;flex-direction:column;gap:12px}

/* ===== 转化区 ===== */
.cta-panel{display:grid;grid-template-columns:1.25fr 1fr;gap:36px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-l);box-shadow:var(--shadow-card);padding:40px}
.cta-panel h2{font-size:28px;margin-bottom:12px}
.cta-panel .cta-lead{font-size:14.5px;color:var(--text-2);line-height:1.85;margin-bottom:26px}
.form-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13px;color:var(--text-2)}
.field input,.field textarea{height:44px;padding:0 14px;border:1px solid var(--border);border-radius:8px;background:#fff;font-size:14.5px;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.field textarea{height:88px;padding:11px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,98,127,.12)}
.field--full{margin-top:16px}
.form-note{margin-top:14px;font-size:13.5px;color:var(--green);min-height:20px}
.contact-side{background:#F7F9FA;border:1px solid var(--border);border-radius:var(--radius-m);padding:26px}
.contact-side h3{font-size:17px;margin-bottom:18px}
.contact-line{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--border);font-size:14px}
.contact-line:last-child{border-bottom:0;padding-bottom:0}
.contact-line b{display:block;font-size:15px;font-family:var(--font-serif);margin-bottom:2px}
.contact-line span{color:var(--text-2);font-size:13.5px}
.contact-line .ci{width:34px;height:34px;border-radius:9px;background:#fff;border:1px solid var(--border);display:grid;place-items:center;flex:none}

/* ===== 相关阅读 ===== */
.read-list{border-top:1px solid var(--border)}
.read-list li{display:flex;align-items:center;gap:20px;padding:16px 4px;border-bottom:1px solid var(--border)}
.read-date{flex:none;width:104px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.read-list a{color:var(--text);font-size:15px}
.read-list a:hover{color:var(--primary);text-decoration:none}
.read-list .read-arrow{margin-left:auto;color:var(--text-3);flex:none}

/* ===== 页脚 ===== */
.site-footer{background:#0F2C36;color:#B9CDD5;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;margin-bottom:14px}
.footer-brand .logo-mark{background:linear-gradient(150deg,#1E7C9E 0%,#17627F 100%)}
.footer-brand b{font-family:var(--font-serif);font-size:18px;font-weight:600}
.footer-brand span{display:block;font-size:11px;color:#7FA3B1;letter-spacing:.06em;margin-top:2px}
.footer-desc{font-size:13.5px;line-height:1.8;color:#93AFBA;max-width:280px}
.footer-col h4{font-family:var(--font-serif);font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col li{margin-bottom:11px}
.footer-col a,.footer-col p{font-size:13.5px;color:#9FBAC4;line-height:1.8}
.footer-col a:hover{color:#fff;text-decoration:none}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#7D9AA5;font-variant-numeric:tabular-nums}

/* ===== 移动端固定转化条 ===== */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:80;display:none;background:rgba(255,255,255,.97);border-top:1px solid var(--border);box-shadow:0 -4px 18px rgba(15,70,89,.1);padding-bottom:env(safe-area-inset-bottom);opacity:0;transform:translateY(100%);transition:opacity .25s ease-out,transform .25s ease-out;pointer-events:none}
.mobile-bar.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.mobile-bar-inner{display:grid;grid-template-columns:repeat(3,1fr);height:56px}
.mobile-bar a,.mobile-bar button{display:flex;align-items:center;justify-content:center;gap:6px;font-size:14px;color:var(--text);background:none;border:0;border-right:1px solid var(--border);cursor:pointer}
.mobile-bar a:last-child,.mobile-bar button:last-child{border-right:0}
.mobile-bar a:hover,.mobile-bar button:hover{text-decoration:none;background:var(--primary-light);color:var(--primary-dark)}
.mobile-bar .bar-main{background:var(--primary);color:#fff;font-weight:500}
.mobile-bar .bar-main:hover{background:var(--primary-dark);color:#fff}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  :root{--sec-pad:72px}
  .hero h1{font-size:38px}
}
@media (max-width:1023px){
  :root{--sec-pad:64px}
  .header-links{display:none}
  .main-nav{display:none}
  .burger{display:flex}
  .hero{min-height:540px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:18px}
  .hero-inner{padding-top:110px}
  .hero-badges{justify-content:flex-start}
  .badge-group{flex-wrap:wrap}
  .badge-item{padding:12px 18px}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .feed-wrap{grid-template-columns:1fr}
  .tile-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr);gap:32px}
  .timeline::before{display:none}
  .guard-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-panel{grid-template-columns:1fr;padding:30px}
  .about-strip{grid-template-columns:1fr;padding:30px}
  .form-row{grid-template-columns:1fr}
  .compare-col{padding:26px 22px}
}
@media (max-width:768px){
  .scene-grid{grid-template-columns:1fr;grid-template-rows:auto}
  .scene-item{height:220px}
  .scene-item--tall{grid-row:auto;height:280px}
  .data-strip{grid-template-columns:repeat(2,1fr);gap:26px 0;padding:30px 16px}
  .data-item:nth-child(3){border-left:0}
  .data-item b{font-size:28px}
  .compare{grid-template-columns:1fr}
  .compare-col--own{border-left:0;border-top:1px dashed #C9D6DC}
  .vs-line{left:auto;right:22px;top:auto;bottom:-22px;transform:none}
  .reviews-scroll{display:flex;gap:16px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory;scrollbar-width:none}
  .reviews-scroll::-webkit-scrollbar{display:none}
  .reviews-scroll .card{flex:0 0 84%;scroll-snap-align:start}
  .reviews-scroll .review-card{height:100%}
}
@media (max-width:520px){
  .container{padding:0 16px}
  :root{--sec-pad:56px}
  .header-inner{height:64px}
  .drawer{inset:64px 0 0 0}
  .logo-text b{font-size:17px}
  .logo-text span{font-size:10px}
  .tel-btn{display:none}
  .hero{min-height:0;padding-top:0}
  .hero-inner{padding-top:76px;padding-bottom:36px}
  .hero h1{font-size:26px;line-height:1.35}
  .hero-sub{font-size:16px}
  .hero-desc{font-size:14px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .badge-group{width:100%;border-radius:12px}
  .badge-item{flex:1 1 50%;padding:11px 8px;border-left:0;border-top:1px solid rgba(255,255,255,.14)}
  .badge-item:nth-child(1),.badge-item:nth-child(2){border-top:0}
  .badge-item:nth-child(odd){border-right:1px solid rgba(255,255,255,.14)}
  .badge-num{font-size:19px}
  .sec-title{font-size:22px}
  .grid-3,.grid-4,.tile-grid,.guard-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr;gap:0;padding-top:0}
  .timeline::before{display:block;left:21px;right:auto;top:20px;bottom:20px;width:2px;height:auto;background:linear-gradient(180deg,var(--primary) 0%,var(--green) 100%)}
  .step{text-align:left;display:grid;grid-template-columns:44px 1fr;column-gap:16px;padding:0 0 26px}
  .step-no{margin:0;grid-row:1 / span 2}
  .step h3{grid-column:2;margin-top:8px;margin-bottom:6px}
  .step p{grid-column:2}
  .feature-card p{min-height:0}
  .feed-item{gap:14px;padding:16px}
  .feed-date{width:52px}
  .feed-date b{font-size:19px}
  .compare-col{padding:22px 18px}
  .data-strip{padding:26px 12px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .read-list li{flex-wrap:wrap;gap:6px 14px}
  .read-date{width:auto}
  .read-arrow{display:none}
  .mobile-bar{display:block}
  .cta-panel,.about-strip{padding:24px}
  .faq-item summary{font-size:15.5px;padding:16px 48px 16px 18px}
  .faq-item summary::after{right:18px}
  .faq-body{padding:0 18px 18px}
}

/* roulang page: category1 */
:root{
  --primary:#17627F;
  --primary-dark:#0F4659;
  --primary-light:#E8F1F5;
  --green:#6FA55B;
  --amber:#C08A3E;
  --bg:#F7F9FA;
  --surface:#FFFFFF;
  --text:#17272E;
  --text-2:#55666E;
  --text-3:#8A979E;
  --border:#E3E9EC;
  --radius-s:8px;
  --radius-m:12px;
  --radius-l:16px;
  --shadow-card:0 1px 2px rgba(23,98,127,.06),0 8px 24px rgba(23,98,127,.08);
  --shadow-hover:0 4px 8px rgba(23,98,127,.08),0 14px 32px rgba(23,98,127,.12);
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC','SimSun',serif;
  --font-sans:system-ui,-apple-system,'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',sans-serif;
  --sec-pad:88px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease-out}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;margin:0;color:var(--text);letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
figure{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 8px 0;z-index:200}
.skip-link:focus{left:0}
.section{padding:var(--sec-pad) 0}
.section--alt{background:var(--surface)}
.section--tight{padding:56px 0}
.sec-head{max-width:780px;margin-bottom:38px}
.sec-head h2{font-size:32px;line-height:1.35}
.sec-sub{margin-top:12px;font-size:15px;color:var(--text-2);line-height:1.8}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}

/* ===== 顶部品牌栏 ===== */
.site-header{background:#fff;border-bottom:1px solid var(--border);position:relative;z-index:70}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:74px}
.logo{display:flex;align-items:center;gap:11px;color:var(--text);text-decoration:none;flex:none}
.logo:hover{text-decoration:none}
.logo-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(150deg,var(--primary) 0%,var(--primary-dark) 100%);display:grid;place-items:center;flex:none}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text b{font-family:var(--font-serif);font-size:19px;font-weight:600}
.logo-text span{font-size:11px;color:var(--text-3);letter-spacing:.06em;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:30px}
.main-nav a{color:var(--text-2);font-size:15px;position:relative;padding:6px 0;transition:color .2s ease-out}
.main-nav a:hover{color:var(--primary);text-decoration:none}
.main-nav a.is-active{color:var(--primary);font-weight:500}
.main-nav a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:16px}
.header-links{display:flex;align-items:center;gap:18px}
.header-links a{font-size:14px;color:var(--text-2)}
.header-links a:hover{color:var(--primary)}
.tel-btn{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:8px;background:var(--primary-light);color:var(--primary-dark);font-size:14px;font-weight:500;font-variant-numeric:tabular-nums}
.tel-btn:hover{background:#D8E9F0;text-decoration:none}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--border);place-items:center;background:#fff}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer{display:none;position:fixed;inset:74px 0 0 0;background:#fff;z-index:65;padding:20px 24px 32px;flex-direction:column;gap:4px;border-top:1px solid var(--border);overflow-y:auto}
.drawer.is-open{display:flex}
.drawer a{padding:15px 4px;font-size:17px;color:var(--text);border-bottom:1px solid var(--border)}
.drawer a:last-of-type{border-bottom:0}
.drawer .drawer-tel{margin-top:18px;background:var(--primary);color:#fff;border-radius:10px;text-align:center;border-bottom:0;font-weight:500}
.drawer .drawer-tel:hover{text-decoration:none;background:var(--primary-dark)}

/* ===== Pill 导航 ===== */
.pillbar{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.95);border-bottom:1px solid var(--border);backdrop-filter:blur(10px)}
.pillbar-inner{display:flex;align-items:center;gap:8px;padding:11px 0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.pillbar-inner::-webkit-scrollbar{display:none}
.pill{display:inline-flex;align-items:center;white-space:nowrap;padding:8px 17px;border-radius:999px;border:1px solid var(--border);background:#fff;color:var(--text);font-size:14px;line-height:1.5;transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
.pill:hover{background:var(--primary-light);border-color:#C6DEE8;color:var(--primary-dark);text-decoration:none}
.pill.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(23,98,127,.22)}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--radius-s);font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:0 10px 22px rgba(23,98,127,.24)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);text-decoration:none}
.btn-on-dark{background:#fff;color:var(--primary-dark)}
.btn-on-dark:hover{background:#E8F1F5;color:var(--primary-dark);text-decoration:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500}
.link-more svg{transition:transform .2s ease-out}
.link-more:hover svg{transform:translateX(3px)}

/* ===== 分类页头（窄幅横幅） ===== */
.pagehead{position:relative;overflow:hidden;background:var(--primary-dark)}
.pagehead-bg{position:absolute;inset:0}
.pagehead-bg img{width:100%;height:100%;object-fit:cover;object-position:center 38%}
.pagehead-scrim{position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,54,68,.92) 0%,rgba(11,54,68,.74) 52%,rgba(11,54,68,.56) 100%)}
.pagehead-inner{position:relative;z-index:2;padding:30px 0 48px}
.crumb{font-size:13px;color:#9DC4D2;line-height:1.6}
.crumb a{color:#9DC4D2}
.crumb a:hover{color:#fff;text-decoration:none}
.crumb .sep{margin:0 7px;color:#6E9BAA}
.crumb .now{color:#DCEFF5}
.pagehead h1{color:#fff;font-size:34px;line-height:1.35;max-width:820px;margin-top:18px}
.pagehead-lead{margin-top:16px;font-size:15px;line-height:1.9;color:#C7E1EA;max-width:720px}
.pagehead-meta{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px}
.pagehead-meta span{font-size:13px;color:#D6ECF3;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:5px 13px}
.pagehead-ribbon{position:absolute;left:0;right:0;bottom:0;height:3px;z-index:3;background:linear-gradient(90deg,var(--primary) 0%,var(--green) 55%,var(--amber) 100%)}

/* ===== 筛选行 ===== */
.filter-bar{background:#fff;border-bottom:1px solid var(--border)}
.filter-inner{display:flex;align-items:center;gap:10px;padding:14px 0;overflow-x:auto;scrollbar-width:none}
.filter-inner::-webkit-scrollbar{display:none}
.filter-count{margin-left:auto;font-size:13px;color:var(--text-3);white-space:nowrap;padding-left:12px}

/* ===== 资源卡片 ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.res-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;transition:transform .2s ease-out,box-shadow .2s ease-out}
.res-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.res-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--primary-light)}
.res-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.res-card:hover .res-thumb img{transform:scale(1.045)}
.res-tag{position:absolute;right:10px;bottom:10px;background:rgba(15,70,89,.86);color:#fff;font-size:12px;padding:4px 11px;border-radius:999px;backdrop-filter:blur(4px)}
.res-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.res-body h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:54px}
.res-desc{margin-top:9px;font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.tag{font-size:12px;line-height:1.6;padding:3px 10px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark)}
.tag-green{background:#EDF4E8;color:#4E7C3D}
.res-foot{margin-top:auto;padding-top:14px;border-top:1px dashed var(--border);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.res-foot svg{flex:none;opacity:.55}
.list-foot{margin-top:38px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.pager{display:flex;align-items:center;gap:8px}
.pager a,.pager span{min-width:40px;height:40px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;border:1px solid var(--border);background:#fff;font-size:14px;color:var(--text-2);font-variant-numeric:tabular-nums}
.pager a:hover{border-color:#C6DEE8;background:var(--primary-light);color:var(--primary-dark);text-decoration:none}
.pager .current{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:500}

/* ===== 导读要点 ===== */
.points{border-left:3px solid var(--primary);padding:4px 0 4px 26px;display:grid;gap:22px;max-width:900px}
.point h3{font-size:17px;line-height:1.5}
.point p{margin-top:7px;font-size:15px;color:var(--text-2);line-height:1.8}

/* ===== 对照小卡 ===== */
.compare3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cmp-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);padding:26px 24px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;transition:transform .2s ease-out,box-shadow .2s ease-out}
.cmp-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.cmp-kicker{font-size:12px;letter-spacing:.12em;color:var(--text-3)}
.cmp-card h3{margin-top:12px;font-size:20px;line-height:1.45}
.cmp-card p{margin-top:12px;font-size:14px;line-height:1.8;color:var(--text-2)}
.cmp-list{margin-top:16px;display:grid;gap:9px}
.cmp-list li{position:relative;padding-left:20px;font-size:14px;color:var(--text-2)}
.cmp-list li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;background:var(--primary-light);border:2px solid var(--green)}
.cmp-foot{margin-top:22px;padding-top:16px;border-top:1px solid var(--border)}

/* ===== 用户评价 ===== */
.review-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);padding:24px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:14px}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--primary-light);color:var(--primary-dark);display:grid;place-items:center;font-size:14px;font-weight:600;flex:none}
.review-who b{display:block;font-size:15px;font-weight:600;font-family:var(--font-sans)}
.review-who span{font-size:12px;color:var(--text-3)}
.stars{color:var(--amber);letter-spacing:2px;font-size:13px;margin-left:auto;white-space:nowrap}
.review-card p{font-size:15px;line-height:1.8;color:var(--text-2)}
.review-date{margin-top:auto;font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ===== 文章卡 ===== */
.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.art-card{display:flex;gap:16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);padding:16px;box-shadow:var(--shadow-card);transition:transform .2s ease-out,box-shadow .2s ease-out}
.art-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.art-thumb{width:104px;aspect-ratio:1/1;border-radius:10px;overflow:hidden;flex:none;background:var(--primary-light)}
.art-thumb img{width:100%;height:100%;object-fit:cover}
.art-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.art-body h3{font-size:16px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-body p{font-size:13px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.art-body time{margin-top:auto;font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ===== FAQ ===== */
.faq{max-width:920px;display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);box-shadow:var(--shadow-card);overflow:hidden;transition:border-color .2s ease-out}
.faq-item.is-open{border-color:#C6DEE8}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:19px 24px;text-align:left;font-size:16px;font-weight:500;line-height:1.6;color:var(--text);min-height:44px}
.faq-q:hover{color:var(--primary)}
.faq-icon{flex:none;width:22px;height:22px;position:relative;transition:transform .25s ease-out}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px}
.faq-icon::before{left:4px;right:4px;top:10px;height:2px}
.faq-icon::after{top:4px;bottom:4px;left:10px;width:2px;transition:opacity .25s ease-out}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{display:none;padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:720px}
.faq-item.is-open .faq-a{display:block}

/* ===== 保障条 + CTA ===== */
.promise{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-l);padding:30px;box-shadow:var(--shadow-card)}
.promise-item{display:flex;gap:12px;align-items:flex-start}
.promise-item svg{flex:none;margin-top:3px}
.promise-item b{display:block;font-size:15px;font-weight:600;font-family:var(--font-sans)}
.promise-item span{display:block;margin-top:5px;font-size:13px;line-height:1.7;color:var(--text-2)}
.cta-band{margin-top:28px;background:linear-gradient(120deg,var(--primary-dark) 0%,var(--primary) 100%);border-radius:var(--radius-l);padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:26px;line-height:1.4}
.cta-band p{margin-top:10px;color:#C7E1EA;font-size:14px;line-height:1.8;max-width:620px}
.cta-band .btn{flex:none}

/* ===== 页脚 ===== */
.site-footer{background:var(--primary-dark);color:#C7DDE6;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding:64px 0 44px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .logo-mark{width:36px;height:36px;border-radius:10px}
.footer-brand b{display:block;font-family:var(--font-serif);font-size:17px;color:#fff;font-weight:600}
.footer-brand span{display:block;font-size:11px;color:#8FB6C4;letter-spacing:.05em;margin-top:2px}
.footer-desc{font-size:13px;line-height:1.9;color:#A9C8D3;max-width:320px}
.footer-col h4{font-size:14px;color:#fff;font-weight:600;font-family:var(--font-sans);margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a,.footer-col p{font-size:13px;color:#A9C8D3;line-height:1.8}
.footer-col a:hover{color:#fff;text-decoration:none}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12px;color:#8FB6C4}

/* ===== 移动端固定转化条 ===== */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;height:56px;background:rgba(255,255,255,.97);border-top:1px solid var(--border);box-shadow:0 -6px 20px rgba(23,98,127,.08);opacity:0;transform:translateY(100%);transition:opacity .25s ease-out,transform .25s ease-out;padding-bottom:env(safe-area-inset-bottom)}
.mobile-bar.is-show{opacity:1;transform:translateY(0)}
.mobile-bar a,.mobile-bar button{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;height:56px;font-size:14px;color:var(--primary-dark);border-right:1px solid var(--border)}
.mobile-bar a:hover,.mobile-bar button:hover{background:var(--primary-light);text-decoration:none}
.mobile-bar > *:last-child{border-right:0}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  :root{--sec-pad:64px}
  .card-grid,.compare3,.review-row,.art-grid{grid-template-columns:repeat(2,1fr)}
  .promise{grid-template-columns:repeat(2,1fr)}
  .pagehead h1{font-size:29px}
  .sec-head h2{font-size:26px}
}
@media (max-width:900px){
  .main-nav,.header-links{display:none}
  .nav-toggle{display:grid}
  .header-inner{height:68px}
  .drawer{inset:68px 0 0 0}
}
@media (max-width:767px){
  :root{--sec-pad:56px;--container:100%}
  .container{padding:0 16px}
  .section{padding:56px 0}
  body{font-size:15px}
  .pagehead-inner{padding:22px 0 38px}
  .pagehead h1{font-size:24px}
  .pagehead-lead{font-size:14px}
  .sec-head{margin-bottom:28px}
  .sec-head h2,.sec-title{font-size:22px}
  .sec-head--row{flex-direction:column;align-items:flex-start}
  .card-grid,.compare3,.review-row,.art-grid{grid-template-columns:1fr}
  .review-row{grid-auto-flow:column;grid-auto-columns:82%;grid-template-columns:none;overflow-x:auto;scrollbar-width:none;padding-bottom:6px}
  .review-row::-webkit-scrollbar{display:none}
  .promise{grid-template-columns:repeat(2,1fr);padding:22px;gap:18px}
  .cta-band{padding:26px 22px;flex-direction:column;align-items:flex-start}
  .cta-band h2{font-size:20px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 30px}
  .footer-bottom{flex-direction:column;gap:6px}
  .list-foot{flex-direction:column;align-items:stretch}
  .pager{justify-content:center;flex-wrap:wrap}
  .mobile-bar{display:flex}
  .btn{min-height:44px}
  .art-thumb{width:88px}
}
@media (max-width:520px){
  .pagehead h1{font-size:21px}
  .res-body h3{font-size:17px;min-height:auto}
  .promise{grid-template-columns:1fr}
  .review-row{grid-auto-columns:88%}
}