/* roulang page: index */
:root{
    --c-main:#0B6B8D;
    --c-main-2:#175A7A;
    --c-accent:#E06B8E;
    --c-violet:#7A6FA0;
    --c-bg-soft:#F4F8FC;
    --c-bg-white:#FFFFFF;
    --c-text-strong:#1F2A44;
    --c-text-soft:#5B6B82;
    --c-border:#E3EAF1;
    --r-lg:20px;
    --r-md:16px;
    --r-btn:11px;
    --shadow-card:0 6px 24px rgba(23,78,99,.06);
    --shadow-hover:0 12px 30px rgba(23,78,99,.12);
    --font-main:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    --font-title:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    --space-section:110px;
    --space-mobile:64px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);color:var(--c-text-strong);background:var(--c-bg-white);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}
ul,ol{list-style:none}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(11,107,141,.35);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{font-family:var(--font-title);line-height:1.35}
strong{color:var(--c-text-strong)}
.container{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:28px;padding-right:28px}
.section{padding-top:var(--space-section);padding-bottom:var(--space-section)}
.section-soft{background:var(--c-bg-soft)}

/* 顶部导航 */
.site-nav{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:box-shadow .25s ease,border-color .25s ease;border-bottom:1px solid transparent}
.site-nav.is-scrolled{box-shadow:var(--shadow-card);border-bottom-color:var(--c-border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:70px;gap:18px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:1.14rem;font-weight:700;letter-spacing:.02em;color:var(--c-text-strong);border-radius:12px;padding:4px 6px;transition:opacity .2s}
.brand:hover{opacity:.82}
.brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;background:var(--c-main);color:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(11,107,141,.24)}
.brand-mark svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:2.2}
.brand-name{line-height:1.2}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-cta{font-weight:600;font-size:.92rem;padding-left:20px;padding-right:20px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-size:.98rem;font-weight:600;line-height:1;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease}
.btn-pad{padding:14px 24px}
.btn-sm{padding:11px 18px}
.btn-main{background:var(--c-main);color:#fff;border:1px solid var(--c-main);box-shadow:0 8px 20px rgba(11,107,141,.18)}
.btn-main:hover{background:var(--c-main-2);border-color:var(--c-main-2);transform:translateY(-2px);box-shadow:0 12px 24px rgba(11,107,141,.25)}
.btn-main:active{transform:translateY(0)}
.btn-outline{background:rgba(255,255,255,.65);color:var(--c-main);border:1px solid rgba(11,107,141,.35);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.btn-outline:hover{background:rgba(235,245,250,.9);transform:translateY(-2px);border-color:var(--c-main)}
.btn-outline:active{transform:translateY(0)}
.btn-white{background:#fff;color:var(--c-main);border:1px solid #fff;box-shadow:0 8px 20px rgba(0,0,0,.12)}
.btn-white:hover{background:#EEF6FA;transform:translateY(-2px);color:var(--c-main-2)}
.btn-white:active{transform:translateY(0)}
.icon-link-arrow{display:inline-block;transition:transform .2s ease}
a:hover .icon-link-arrow{transform:translateX(4px)}

/* Hero */
.hero{position:relative;margin-top:-1px;overflow:hidden;background:var(--c-bg-soft)}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(103deg,rgba(244,248,252,.96) 0%,rgba(244,248,252,.86) 48%,rgba(220,237,247,.72) 100%),url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;z-index:0}
.hero::after{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--c-accent) 0 18%,var(--c-main) 18% 64%,var(--c-violet) 64% 100%);opacity:.7;z-index:1}
.hero-inner{position:relative;z-index:2;min-height:660px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-top:78px;padding-bottom:86px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(224,107,142,.12);color:#C25276;border:1px solid rgba(224,107,142,.18);font-size:.82rem;font-weight:600;padding:6px 14px;border-radius:999px;letter-spacing:.03em}
.hero-copy h1{font-size:clamp(2.15rem,4vw,3.05rem);font-weight:760;letter-spacing:.02em;margin-top:22px;margin-bottom:20px;max-width:640px}
.hero-lead{font-size:1.05rem;color:var(--c-text-soft);max-width:620px;line-height:1.9;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:20px}
.hero-note{font-size:.9rem;color:var(--c-text-soft);display:inline-flex;align-items:center;gap:10px}
.hero-note i{font-style:normal;width:4px;height:4px;border-radius:50%;background:var(--c-accent);display:inline-block}
.hero-dots{display:inline-flex;gap:8px;align-items:center;margin-top:4px}
.eyebrow-main{display:inline-flex;align-items:center;gap:7px;font-size:.88rem;font-weight:600;color:var(--c-text-strong);background:rgba(11,107,141,.09);border-radius:999px;padding:6px 12px;margin-bottom:16px;border:1px solid rgba(11,107,141,.13)}

/* Hero资料卡 */
.hero-media{position:relative}
.guide-poster{border-radius:var(--r-lg);background:#fff;border:1px solid var(--c-border);box-shadow:0 18px 44px rgba(23,78,99,.13);overflow:hidden;padding:18px}
.poster-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.poster-tag{font-size:.75rem;font-weight:700;letter-spacing:.08em;color:var(--c-main);background:#E6F2F7;padding:5px 10px;border-radius:999px}
.poster-status{font-size:.75rem;color:var(--c-text-soft);display:flex;align-items:center;gap:5px}
.poster-status::before{content:"";width:7px;height:7px;border-radius:50%;background:#6FCF97}
.poster-cover{border-radius:14px;overflow:hidden;height:240px;background:#E9F2F7}
.poster-cover img{width:100%;height:100%;object-fit:cover}
.poster-title{display:flex;align-items:center;justify-content:space-between;margin-top:18px;gap:12px}
.poster-title h3{font-size:1.2rem;font-weight:700}
.poster-title span{color:var(--c-text-soft);font-size:.8rem;background:var(--c-bg-soft);padding:4px 10px;border-radius:999px}
.poster-list{border-top:1px dashed var(--c-border);margin-top:14px;padding-top:14px;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.poster-list li{font-size:.86rem;color:var(--c-text-soft);display:flex;align-items:center;gap:6px}
.poster-list li::before{content:"✓";color:var(--c-accent);font-weight:800}
.poster-foot{margin-top:16px;background:var(--c-bg-soft);border-radius:12px;padding:10px 14px;display:flex;justify-content:space-between;align-items:center;font-size:.8rem;color:var(--c-text-soft)}
.hero-dec-card{position:absolute;right:-12px;top:-16px;width:98px;height:98px;background:var(--c-main);border-radius:22px;display:flex;align-items:center;justify-content:center;border:4px solid #fff;box-shadow:var(--shadow-card);transform:rotate(7deg)}
.hero-dec-card span{font-size:.78rem;color:#fff;font-weight:700;text-align:center;line-height:1.4}

/* 信任特征条 */
.trust-strip{border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);background:#fff}
.trust-list{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:20px 0}
.trust-list li{display:flex;align-items:center;gap:10px;font-size:.9rem;color:var(--c-text-soft)}
.trust-list svg{width:22px;height:22px;color:var(--c-main);flex:0 0 22px}
.trust-list b{color:var(--c-text-strong);font-weight:600}

/* 区块头 */
.section-head{max-width:680px;margin-bottom:46px}
.section-kicker{display:inline-block;font-size:.8rem;letter-spacing:.06em;color:var(--c-accent);font-weight:700;margin-bottom:12px}
.section-head h2{font-size:clamp(1.7rem,2.6vw,2.35rem);font-weight:760;letter-spacing:.02em;margin-bottom:14px}
.section-head p{color:var(--c-text-soft);font-size:1rem}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* 服务核心区 */
.reading-section{background:#fff}
.service-grid{display:grid;grid-template-columns:1.16fr .84fr;gap:22px}
.service-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);padding:30px;box-shadow:var(--shadow-card);position:relative;overflow:hidden;transition:transform .25s ease,box-shadow .25s ease}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.service-card::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--c-accent),transparent);opacity:0;transition:opacity .25s}
.service-card:hover::after{opacity:1}
.service-card.feature{grid-row:span 2}
.service-icon{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;background:#E7F2F7;color:var(--c-main)}
.service-icon svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.9}
.service-icon.pink{background:#FBEAF0;color:var(--c-accent)}
.service-icon.violet{background:#EFEDF7;color:var(--c-violet)}
.service-card h3{font-size:1.28rem;font-weight:700;margin-bottom:10px}
.service-card p{color:var(--c-text-soft);font-size:.95rem;line-height:1.85}
.service-card .link-more{margin-top:18px;display:inline-flex;align-items:center;gap:5px;font-weight:600;font-size:.9rem;color:var(--c-main);border-bottom:1px solid transparent}
.service-card .link-more:hover{border-bottom-color:var(--c-main)}
.service-side{display:grid;gap:22px}
.service-mini-list{display:grid;gap:14px;margin-top:20px}
.service-mini-list li{background:var(--c-bg-soft);border-radius:12px;padding:12px 14px;font-size:.92rem;color:var(--c-text-strong);display:flex;align-items:center;gap:10px}
.service-mini-list li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--c-accent);flex:0 0 6px;transform:rotate(45deg)}

/* 阅读阶梯 */
.step-ladder{margin-top:64px;background:var(--c-bg-soft);border-radius:var(--r-lg);padding:30px;border:1px solid var(--c-border)}
.ladder-title{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.ladder-title h3{font-size:1.28rem;font-weight:700}
.ladder-title span{font-size:.82rem;background:#fff;color:var(--c-text-soft);padding:4px 12px;border-radius:999px;border:1px solid var(--c-border)}
.ladder-grid{display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:16px}
.ladder-item{background:#fff;border-radius:16px;padding:20px;border:1px solid var(--c-border)}
.ladder-item .lv{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.03em;color:#fff;background:var(--c-main);border-radius:999px;padding:3px 10px;margin-bottom:12px}
.ladder-item:nth-child(2) .lv{background:var(--c-accent)}
.ladder-item:nth-child(3) .lv{background:var(--c-violet)}
.ladder-item h4{font-size:1.02rem;font-weight:700;margin-bottom:6px}
.ladder-item p{font-size:.85rem;color:var(--c-text-soft)}

/* 数据优势 */
.data-band{background:var(--c-bg-soft)}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;text-align:left;margin-bottom:46px}
.data-item{background:#fff;border-radius:18px;padding:30px 26px;border:1px solid var(--c-border);box-shadow:var(--shadow-card);transition:box-shadow .25s,transform .25s}
.data-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.data-num{color:var(--c-main);font-size:2.5rem;font-weight:780;line-height:1.15;letter-spacing:-.01em}
.data-num small{font-size:1.05rem;font-weight:700;margin-left:2px}
.data-label{margin-top:8px;font-size:.9rem;color:var(--c-text-soft)}
.data-note{max-width:820px;font-size:1.02rem;color:var(--c-text-soft);border-left:4px solid var(--c-accent);padding-left:20px;line-height:1.9}

/* 资讯案例 */
.case-showcase{background:#fff}
.case-feature{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;border:1px solid var(--c-border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-card)}
.case-img{height:100%;min-height:270px;background:var(--c-main)}
.case-img img,.case-cover img{width:100%;height:100%;object-fit:cover}
.case-feature .case-content{padding:34px 30px;display:flex;flex-direction:column;justify-content:center}
.case-cat{font-size:.75rem;font-weight:700;letter-spacing:.05em;color:var(--c-accent);background:#FBEAF0;border-radius:999px;padding:5px 12px;display:inline-block;width:-moz-fit-content;width:fit-content;margin-bottom:18px}
.case-content h3{font-size:1.55rem;line-height:1.5;margin-bottom:12px}
.case-content .case-time{display:flex;align-items:center;gap:14px;margin:20px 0 24px;font-size:.83rem;color:var(--c-text-soft)}
.case-content .case-time li{display:inline-flex;align-items:center;gap:5px}
.case-time li::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--c-main);margin-right:4px}
.link-card-group{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:26px}
.link-card{background:#fff;border:1px solid var(--c-border);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .25s ease,transform .25s ease}
.link-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.link-card .card-thumb{height:180px;background:#e6eef2}
.link-card .card-thumb img{width:100%;height:100%;object-fit:cover}
.link-card .card-body{padding:22px;display:flex;flex-direction:column;flex:1}
.link-card .card-body h3{font-size:1.16rem;margin-bottom:8px}
.link-card .card-body p{font-size:.9rem;color:var(--c-text-soft);flex:1}
.link-meta{margin-top:4px;font-size:.8rem;display:flex;justify-content:space-between;gap:12px;color:var(--c-text-soft)}
.link-meta b{color:var(--c-main);font-weight:600}
.case-enter{margin-top:44px;text-align:center}

/* 流程 */
.choose-how{background:var(--c-bg-soft)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.steps-grid::before{content:"";position:absolute;top:27px;left:6%;right:6%;height:1px;background:linear-gradient(90deg,var(--c-border),transparent);z-index:0}
.step-item{background:#fff;border:1px solid var(--c-border);border-radius:18px;padding:26px 20px;position:relative;z-index:1;box-shadow:var(--shadow-card)}
.step-item:hover{box-shadow:var(--shadow-hover)}
.step-dot{width:56px;height:56px;border-radius:18px;background:var(--c-main);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:700;margin-bottom:16px;box-shadow:0 8px 16px rgba(11,107,141,.22)}
.step-item:nth-child(2) .step-dot{background:var(--c-accent)}
.step-item:nth-child(3) .step-dot{background:#5D6FA0}
.step-item:nth-child(4) .step-dot{background:var(--c-violet)}
.step-item h3{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.step-item p{font-size:.84rem;color:var(--c-text-soft)}
.workflow-bottom{margin-top:40px;text-align:center}

/* 读者评价 */
.quote-section{background:#fff}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote-card{background:var(--c-bg-soft);border-radius:20px;padding:28px;border:1px solid var(--c-border)}
.quote-card blockquote{font-size:.98rem;color:var(--c-text-strong);line-height:1.9;margin-bottom:20px}
.quote-person{display:flex;align-items:center;gap:12px}
.quote-avatar{width:46px;height:46px;border-radius:14px;background:var(--c-main);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.95rem}
.quote-person b{display:block;font-size:.9rem}
.quote-person span{font-size:.75rem;color:var(--c-text-soft)}
.quote-card:nth-child(2) .quote-avatar{background:var(--c-accent)}
.quote-card:nth-child(3) .quote-avatar{background:var(--c-violet)}
.quote-mark{color:var(--c-accent);font-weight:800;font-size:1.4rem;line-height:.8;display:block;margin-bottom:8px}

/* FAQ */
.faq-area{background:var(--c-bg-soft)}
.faq-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:start}
.faq-side h2{font-size:clamp(1.7rem,2.4vw,2.2rem);margin-bottom:16px}
.faq-side p{color:var(--c-text-soft)}
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--c-border);border-radius:16px;overflow:hidden;transition:box-shadow .25s ease}
.faq-item:hover{box-shadow:var(--shadow-card)}
.faq-item[open]{box-shadow:var(--shadow-hover)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;list-style:none;font-weight:600;padding:18px 20px;font-size:1rem;color:var(--c-text-strong)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary span:last-child{transition:transform .3s ease;flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--c-bg-soft);display:inline-flex;align-items:center;justify-content:center;color:var(--c-main)}
.faq-item[open] summary span:last-child{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 20px 20px;color:var(--c-text-soft);font-size:.93rem;line-height:1.9;border-top:1px solid var(--c-border);padding-top:14px}

/* 联系表单 */
.contact-section{background:#fff}
.contact-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:42px;align-items:start}
.contact-info h2{font-size:clamp(1.7rem,2.4vw,2.2rem);margin:16px 0 16px}
.contact-info p{color:var(--c-text-soft);line-height:2}
.form-card{background:#fff;border:1px solid var(--c-border);border-radius:22px;padding:32px;box-shadow:var(--shadow-card)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:.88rem;font-weight:600;color:var(--c-text-strong);margin-bottom:7px}
.form-control{width:100%;background:var(--c-bg-soft);border:1px solid var(--c-border);border-radius:11px;padding:12px 14px;color:var(--c-text-strong);transition:border-color .2s,background .2s;line-height:1.6}
.form-control:hover{border-color:#CBDCE8}
.form-control:focus{background:#fff;border-color:var(--c-main);outline:none;box-shadow:0 0 0 3px rgba(11,107,141,.12)}
textarea.form-control{min-height:118px;resize:vertical}
.btn-block{width:100%;margin-top:6px}
.form-success{background:#EAF8EF;border:1px solid #BDE8CE;color:#20714A;padding:14px 16px;border-radius:12px;margin-bottom:16px;font-size:.93rem}
.contact-help{display:flex;gap:8px;margin-top:24px;font-size:.8rem;color:var(--c-text-soft)}
.contact-help::before{content:"ℹ";font-size:1rem;color:var(--c-main)}
/* 页脚 */
.site-footer{background:#14313F;color:#C7D9E4;font-size:.92rem}
.footer-top{display:grid;grid-template-columns:1.2fr .9fr .9fr 1fr;gap:40px;padding:72px 0 52px}
.footer-brand .brand{color:#fff;padding-left:0}
.footer-brand p{color:#9CB8C7;font-size:.88rem;max-width:300px;margin-top:16px}
.footer-brand{margin-top:-8px}
.footer-title{font-size:.9rem;color:#fff;font-weight:700;margin-bottom:20px;letter-spacing:.03em}
.site-footer li{margin-bottom:12px}
.site-footer a{color:#C7D9E4;display:inline-flex;align-items:center;gap:5px}
.site-footer a:hover{color:#fff}
.footer-contact li{display:flex;gap:9px;align-items:flex-start}
.footer-contact .ft-ico{width:17px;height:17px;flex:0 0 17px;color:var(--c-accent);margin-top:3px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;font-size:.82rem;color:#8FADBD}
.footer-bottom .container{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.footer-a{margin:0}
/* 响应式 */
@media (max-width:1024px){
    .hero-inner{grid-template-columns:1fr;padding-top:58px;padding-bottom:60px;min-height:auto}
    .hero-copy h1{max-width:100%}
    .hero-media{max-width:560px;margin:0 auto;}
    .hero::before{background:linear-gradient(180deg,rgba(244,248,252,.96) 0%,rgba(244,248,252,.88) 90%),url('/assets/images/backpic/back-2.jpg') center/cover no-repeat}
    .trust-list{grid-template-columns:repeat(2,1fr)}
    .service-grid{grid-template-columns:1fr}
    .service-card.feature{grid-row:auto}
    .service-side{grid-template-columns:1fr}
    .ladder-grid{grid-template-columns:1fr;gap:12px}
    .case-feature{grid-template-columns:1fr}
    .case-feature .case-content{padding:24px}
    .case-img{min-height:220px}
    .link-card-group{grid-template-columns:repeat(2,1fr)}
    .steps-grid{grid-template-columns:repeat(2,1fr)}
    .steps-grid::before{display:none}
    .data-grid{grid-template-columns:repeat(2,1fr)}
    .faq-inner{grid-template-columns:1fr}
    .contact-wrap{grid-template-columns:1fr}
    .quote-grid{grid-template-columns:1fr}
    .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
    .container{padding-left:20px;padding-right:20px}
    .section{padding-top:var(--space-mobile);padding-bottom:var(--space-mobile)}
    .trust-list{grid-template-columns:1fr;gap:10px}
    .link-card-group{grid-template-columns:1fr}
    .steps-grid{grid-template-columns:1fr}
    .data-grid{gap:12px}
    .data-item{padding:20px}
    .data-num{font-size:2rem}
    .form-row{grid-template-columns:1fr}
    .form-card{padding:22px}
    .footer-top{grid-template-columns:1fr}
    .hero-actions .btn{width:auto}
    .ladder-grid{grid-template-columns:1fr}
    .quote-grid{grid-template-columns:1fr}
    .guide-poster .poster-cover{height:200px}
    .nav-cta{font-size:.8rem;padding:10px 14px}
    .brand-name{font-size:1rem}
    .case-feature .case-content{padding:20px}
    .case-time{flex-wrap:wrap}
}

/* roulang page: category1 */
:root{
 --c-main:#0B6B8D;
 --c-main-2:#175A7A;
 --c-accent:#E06B8E;
 --c-violet:#7A6FA0;
 --c-bg-soft:#F4F8FC;
 --c-bg-white:#FFFFFF;
 --c-text-strong:#1F2A44;
 --c-text-soft:#5B6B82;
 --c-border:#E3EAF1;
 --r-lg:20px;
 --r-md:16px;
 --r-btn:11px;
 --shadow-card:0 6px 24px rgba(23,78,99,.06);
 --shadow-hover:0 12px 30px rgba(23,78,99,.12);
 --font-main:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",sans-serif;
 --font-title:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",sans-serif;
 --space-section:110px;
 --space-mobile:64px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);color:var(--c-text-strong);background:var(--c-bg-white);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer}
ul,ol{list-style:none}
.container{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:28px;padding-right:28px}
.section{padding-top:var(--space-section);padding-bottom:var(--space-section)}
.section-soft{background:var(--c-bg-soft)}
.section-head{max-width:780px;margin-bottom:52px}
.section-head .sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.84rem;font-weight:700;color:var(--c-main);letter-spacing:.06em}
.section-head h2{font-family:var(--font-title);font-size:clamp(1.7rem,3vw,2.25rem);font-weight:760;line-height:1.4;letter-spacing:.02em;color:var(--c-text-strong);margin-top:8px;margin-bottom:12px}
.section-head p{color:var(--c-text-soft);font-size:.99rem;line-height:1.9}
.sec-divider{width:46px;height:4px;border-radius:99px;background:linear-gradient(90deg,var(--c-accent),var(--c-main));margin:16px 0 20px}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:var(--r-btn);font-size:.98rem;font-weight:600;line-height:1.3;border:1px solid transparent;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;}
.btn:focus-visible{outline:3px solid rgba(11,107,141,.35);outline-offset:3px}
.btn-main{background:var(--c-main);color:#fff;border-color:var(--c-main);box-shadow:0 8px 20px rgba(11,107,141,.18);padding:14px 26px}
.btn-main:hover{background:var(--c-main-2);border-color:var(--c-main-2);transform:translateY(-2px);box-shadow:0 12px 24px rgba(11,107,141,.24)}
.btn-main:active{transform:translateY(0);box-shadow:0 6px 14px rgba(11,107,141,.2)}
.btn-sm{padding:11px 20px;font-size:.92rem}
.btn-outline{background:var(--c-bg-white);color:var(--c-main);border-color:rgba(11,107,141,.35);padding:12px 22px}
.btn-outline:hover{background:rgba(235,245,250,.65);color:var(--c-main-2);transform:translateY(-2px);border-color:var(--c-main)}
.btn-outline:active{transform:translateY(0)}
.btn-white{background:#fff;color:var(--c-main-2);border-color:#fff;box-shadow:0 8px 22px rgba(0,0,0,.14);padding:13px 28px}
.btn-white:hover{background:#E9F2F7;transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18);color:var(--c-main)}
.btn-white:active{transform:translateY(0)}
.icon-link-arrow{display:inline-block;transition:transform .2s ease}
a:hover .icon-link-arrow{transform:translateX(4px)}
/* 顶部导航 */
.site-nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.95);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease}
.site-nav.is-scrolled{box-shadow:var(--shadow-card);border-bottom-color:var(--c-border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:70px;gap:18px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:1.12rem;font-weight:750;letter-spacing:.02em;color:var(--c-text-strong);border-radius:12px;padding:5px 6px;transition:opacity .2s}
.brand:hover{opacity:.82}
.brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;background:var(--c-main);color:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(11,107,141,.24)}
.brand-mark svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:2.2}
.brand-name{line-height:1.25;white-space:nowrap}
.nav-actions{display:flex;align-items:center;gap:12px}
/* 页头 */
.page-head{background:linear-gradient(115deg,rgba(244,248,252,.94),rgba(226,240,247,.86)),url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;padding:170px 0 86px;position:relative;border-bottom:1px solid var(--c-border)}
.page-head::before{content:"";position:absolute;inset:auto 0 0 0;height:3px;background:linear-gradient(90deg,var(--c-accent) 0 22%,var(--c-main) 22% 68%,var(--c-violet) 68% 100%);opacity:.8}
.page-head .crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:.86rem;color:var(--c-text-soft);margin-bottom:28px}
.page-head .crumbs a{color:var(--c-main);font-weight:500;transition:opacity .2s}
.page-head .crumbs a:hover{opacity:.7}
.page-head .crumbs .now{color:var(--c-text-soft)}
.page-head h1{max-width:900px;font-family:var(--font-title);font-size:clamp(1.9rem,4vw,2.9rem);font-weight:790;letter-spacing:.02em;line-height:1.35;margin-bottom:18px}
.page-head h1 .hl{color:var(--c-main);position:relative;white-space:nowrap}
.page-head .sub-lead{max-width:800px;color:var(--c-text-soft);font-size:1.02rem;line-height:1.95}
/* 胶囊频道 */
.channel-strip{background:var(--c-bg-white);border-bottom:1px solid var(--c-border)}
.channel-wrap{padding:28px 0}
.channel-label{font-size:.82rem;font-weight:650;letter-spacing:.08em;color:var(--c-text-soft);margin-bottom:15px;display:flex;align-items:center;gap:8px}
.channel-label::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-accent);display:inline-block}
.channel-tabs{display:flex;flex-wrap:wrap;gap:10px}
.channel-tab{display:inline-flex;align-items:center;gap:6px;font-size:.9rem;font-weight:600;padding:8px 16px;border-radius:999px;background:var(--c-bg-soft);border:1px solid var(--c-border);transition:all .22s ease}
.channel-tab:hover{background:#e8f3f9;border-color:var(--c-main);transform:translateY(-1px)}
.channel-tab .tab-dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:0 0 6px}
/* 内容卡片区 */
.reading-grid{padding-top:var(--space-section);padding-bottom:var(--space-section);background:var(--c-bg-white)}
.feature-card{display:grid;grid-template-columns:1.05fr 1fr;background:var(--c-bg-white);border:1px solid var(--c-border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-card);transition:box-shadow .25s ease,transform .25s ease;margin-bottom:58px}
.feature-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.feature-cover{min-height:340px;overflow:hidden}
.feature-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.feature-card:hover .feature-cover img{transform:scale(1.03)}
.feature-body{padding:42px 44px;display:flex;flex-direction:column;justify-content:center}
.card-tag{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;color:var(--c-accent);background:rgba(224,107,142,.1);padding:5px 12px;border-radius:999px;width:fit-content}
.card-title{font-family:var(--font-title);font-size:clamp(1.45rem,2.4vw,1.85rem);font-weight:740;line-height:1.45;margin:18px 0 14px}
.card-excerpt{color:var(--c-text-soft);font-size:.96rem;line-height:1.85;margin-bottom:22px}
.content-meta{display:flex;align-items:center;flex-wrap:wrap;gap:16px;font-size:.82rem;color:var(--c-text-soft)}
.content-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.content-meta .meta-item::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--c-violet)}
.card-link-more{font-weight:700;font-size:.95rem;color:var(--c-main);display:inline-flex;align-items:center;gap:8px;margin-top:24px;width:fit-content;transition:color .2s}
.card-link-more:hover{color:var(--c-main-2)}
.card-link-more .icon-link-arrow{transition:transform .2s}
.card-link-more:hover .icon-link-arrow{transform:translateX(5px)}
/* 网格卡片 */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{background:var(--c-bg-white);border:1px solid var(--c-border);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;transition:box-shadow .25s ease,transform .25s ease;height:100%}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.news-cover{aspect-ratio:16/10;overflow:hidden;position:relative;background:var(--c-bg-soft)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.news-topic{font-size:.76rem;font-weight:650;color:var(--c-violet);letter-spacing:.05em;margin-bottom:8px}
.news-title{font-family:var(--font-title);font-size:1.1rem;font-weight:720;line-height:1.5;color:var(--c-text-strong);margin-bottom:9px;transition:color .2s}
.news-title:hover{color:var(--c-main)}
.news-summary{color:var(--c-text-soft);font-size:.85rem;line-height:1.75;margin-bottom:14px;flex:1}
.news-foot{display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px dashed var(--c-border);font-size:.78rem;color:var(--c-text-soft)}
.news-link{color:var(--c-main);font-weight:650;display:inline-flex;align-items:center;gap:4px;font-size:.84rem}
.news-link:hover .icon-link-arrow{transform:translateX(3px)}
/* CTA 条 */
.small-cta{background:linear-gradient(105deg,#0A5A75,#176B8a 60%,#0F7A93);color:#fff;overflow:hidden;position:relative}
.small-cta::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.06);top:-170px;right:-90px}
.small-cta::after{content:"";position:absolute;width:220px;height:220px;border-radius:50%;background:rgba(224,107,142,.16);bottom:-90px;left:45px}
.cta-flex{display:flex;align-items:center;flex-wrap:wrap;justify-content:space-between;gap:28px;position:relative;z-index:2}
.cta-left{flex:1 1 420px}
.cta-eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:.78rem;font-weight:700;letter-spacing:.08em;color:#b7e2f2;background:rgba(255,255,255,.1);padding:6px 13px;border-radius:999px;margin-bottom:13px}
.cta-left h2{font-size:clamp(1.7rem,3vw,2.3rem);line-height:1.4;letter-spacing:.02em;margin-bottom:10px}
.cta-left p{color:#bfe3ee;font-size:1rem;line-height:1.8;max-width:600px}
.cta-btn{flex:0 0 auto}
/* FAQ */
.faq-wrap{background:var(--c-bg-soft)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px 44px;align-items:start}
.faq-item{background:var(--c-bg-white);border:1px solid var(--c-border);border-radius:var(--r-md);padding:26px 28px 24px;box-shadow:var(--shadow-card);transition:box-shadow .25s ease}
.faq-item:hover{box-shadow:var(--shadow-hover)}
.faq-q{display:flex;align-items:flex-start;gap:12px;font-size:1.02rem;font-weight:700;line-height:1.55;margin-bottom:12px}
.faq-q-icon{flex:0 0 28px;width:28px;height:28px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:800;color:#fff;background:var(--c-main);margin-top:2px}
.faq-a{color:var(--c-text-soft);font-size:.92rem;line-height:1.85;margin-left:40px}
/* footer */
.site-footer{background:#132A3A;color:#C8D6DE;padding-top:80px}
.footer-top{display:grid;grid-template-columns:1.25fr .9fr .9fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand p{color:#A7B8C5;font-size:.91rem;line-height:1.9;margin-top:18px}
.site-footer .brand{color:#FFFFFF}
.site-footer .brand-mark{background:rgba(255,255,255,.14);box-shadow:none}
.footer-title{font-size:1rem;font-weight:700;color:#fff;margin-bottom:20px;letter-spacing:.04em;position:relative;padding-bottom:12px}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:34px;height:3px;border-radius:99px;background:var(--c-accent)}
.site-footer ul li{margin-bottom:7px}
.site-footer ul a{color:#A7B8C5;font-size:.91rem;transition:color .2s,transform .2s;display:inline-block;padding-left:0}
.site-footer ul a:hover{color:#fff;transform:translateX(4px)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:#A7B8C5;font-size:.9rem;margin-bottom:17px}
.ft-ico{width:32px;height:32px;flex:0 0 32px;border-radius:9px;background:rgba(255,255,255,.08);display:inline-flex;align-items:center;justify-content:center;color:#9BD4E8;margin-top:2px}
.ft-ico svg{width:17px;height:17px}
.footer-bottom{padding:24px 0 28px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.82rem;color:#829aa9}
.footer-bottom a{color:#829aa9;transition:color .2s}
.footer-bottom a:hover{color:#fff}
.offset-top{margin-top:70px}
/* focus 可见 */
a:focus-visible,button:focus-visible{outline:3px solid rgba(11,107,141,.35);outline-offset:3px;border-radius:6px}
/* 响应式 */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr 1fr;min-height:auto;padding:110px 0 70px}
 .footer-top{grid-template-columns:1fr 1fr}
 .related-grid{grid-template-columns:repeat(2,1fr)}
 .feature-body{padding:30px 28px}
}
@media (max-width:768px){
 .section{padding-top:var(--space-mobile);padding-bottom:var(--space-mobile)}
 .page-head{padding-top:150px;padding-bottom:58px}
 .brand-name{font-size:1rem}
 .nav-cta-text{display:none}
 .btn-sm{padding:10px 14px}
 .feature-card{grid-template-columns:1fr}
 .feature-cover{aspect-ratio:16/9;min-height:0}
 .feature-body{padding:26px 24px}
 .related-grid{grid-template-columns:1fr}
 .faq-grid{grid-template-columns:1fr;gap:16px}
 .hero-copy h1{font-size:clamp(1.75rem,7vw,2.4rem)}
}
@media (max-width:640px){
 .container{padding-left:20px;padding-right:20px}
 .brand-name{font-size:.92rem;white-space:nowrap}
 .site-footer{padding-top:50px}
 .footer-top{grid-template-columns:1fr;gap:30px}
 .channel-tabs{flex-wrap:nowrap;overflow-x:auto;padding-bottom:10px;margin-bottom:-4px}
 .footer-bottom{justify-content:center;text-align:center}
 .nav-actions a span{display:none}
}