/* roulang page: index */
:root{
--primary:#0F5C99;
--primary-700:#0A4573;
--tint:#E9F2FA;
--tint-line:#C9DEF0;
--accent:#FF6B35;
--accent-dark:#F25C22;
--success:#12A594;
--warning:#E5A500;
--danger:#D64545;
--base:#F5F8FB;
--surface:#FFFFFF;
--alt:#F0F5FA;
--ink:#0F1E2C;
--body:#4E5F70;
--muted:#8496A6;
--line:#E2EAF2;
--footer:#0C2438;
--footer-text:#A9BDCE;
--r-lg:16px;
--r-md:12px;
--r-sm:10px;
--sh-1:0 1px 2px rgba(15,30,46,.04),0 10px 24px -16px rgba(15,30,46,.16);
--sh-2:0 16px 32px -18px rgba(15,92,153,.28);
--sh-3:0 8px 24px -14px rgba(15,30,46,.22);
--sp:8px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
margin:0;
font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
font-size:16px;
line-height:1.8;
color:var(--body);
background:var(--base);
-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.1px}
h1{font-size:clamp(30px,4vw,50px);line-height:1.2}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3}
h3{font-size:18px;line-height:1.45;font-weight:600}
p{margin:0}
a{color:var(--primary);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--primary-700)}
img{max-width:100%;display:block;background:#EEF3F8}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1280px){.container{padding:0 32px}}
/* ---------- header ---------- */
.site-header{
position:sticky;top:0;z-index:60;
background:rgba(245,248,251,.92);
border-bottom:1px solid transparent;
transition:background .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:var(--sh-3)}
.header-inner{position:relative;display:flex;align-items:center;gap:18px;height:76px;transition:height .2s ease-out}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
width:34px;height:34px;border-radius:10px;flex-shrink:0;
background:linear-gradient(135deg,var(--primary),var(--primary-700));
display:grid;place-items:center;
}
.brand-mark svg{width:20px;height:20px;display:block}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);white-space:nowrap}
.brand-text em{font-style:normal;font-weight:500;font-size:13px;color:var(--muted);margin-left:3px}
.nav-chips{display:flex;align-items:center;gap:6px;flex:1;margin-left:6px}
.chip{
position:relative;display:inline-flex;align-items:center;
padding:8px 15px;border-radius:999px;
font-size:14px;font-weight:500;color:var(--body);
border:1px solid transparent;white-space:nowrap;
transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.chip:hover{background:var(--tint);color:var(--primary)}
.chip.is-active{background:var(--tint);color:var(--primary);font-weight:600;border-color:var(--tint-line)}
.header-cta{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-cta-mobile{display:none}
.nav-toggle{
display:none;width:44px;height:44px;border-radius:var(--r-sm);
border:1px solid var(--line);background:#fff;cursor:pointer;
place-items:center;transition:border-color .18s ease-out
}
.nav-toggle:hover{border-color:var(--primary)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* ---------- buttons ---------- */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
min-height:44px;height:46px;padding:0 22px;border-radius:var(--r-sm);
font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.btn-accent{background:linear-gradient(135deg,#FF7A45,var(--accent-dark));color:#fff}
.btn-accent:hover{filter:brightness(.95);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -16px rgba(255,107,53,.7)}
.btn-sm{height:40px;min-height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-sm)}
.btn-block{width:100%}
.btn:active{transform:translateY(0)}
.text-link{font-size:14px;font-weight:600;color:var(--primary)}
.text-link:hover{text-decoration:underline}
/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:52px 0 0;background:linear-gradient(180deg,#FFFFFF 0%,var(--base) 100%)}
.hero::before{
content:"";position:absolute;inset:0;pointer-events:none;
background-image:repeating-linear-gradient(115deg,rgba(15,92,153,.05) 0 1px,transparent 1px 24px);
}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.badge{
display:inline-flex;align-items:center;gap:7px;
padding:6px 14px;border-radius:999px;
background:var(--tint);color:var(--primary);
font-size:13px;font-weight:600;border:1px solid var(--tint-line);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero-copy h1{margin:20px 0 18px}
.hero-sub{font-size:17px;line-height:1.8;color:var(--body);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.tag{
display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
background:var(--alt);color:var(--body);font-size:13px;font-weight:500;border:1px solid var(--line);
}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);background:#EEF3F8}
.hero-visual img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-lg)}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,92,153,.06),rgba(15,92,153,.12));pointer-events:none}
.trust-bar{
display:grid;grid-template-columns:repeat(4,1fr);
margin-top:52px;border-top:1px solid var(--line);
}
.trust-bar li{padding:22px 6px;border-right:1px solid var(--line)}
.trust-bar li:last-child{border-right:0}
.trust-num{display:block;font-size:26px;font-weight:700;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums}
.trust-num em{font-style:normal;font-size:15px;font-weight:600;color:var(--primary);margin-left:2px}
.trust-label{display:block;font-size:13px;color:var(--muted);margin-top:4px}
/* ---------- sections ---------- */
.section{padding:96px 0}
.section--alt{background:var(--alt)}
.section--white{background:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-title{position:relative;padding-left:14px}
.section-title::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--primary)}
.section-desc{font-size:15px;color:var(--muted);margin-top:10px;max-width:620px}
/* ---------- plan table ---------- */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--sh-1)}
.plan-table{width:100%;border-collapse:collapse}
.plan-table caption{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.plan-table thead th{
background:var(--alt);padding:16px;font-size:14px;font-weight:600;color:var(--ink);text-align:center;
border-bottom:1px solid var(--line);position:relative;
}
.plan-table thead th:first-child{text-align:left;width:34%}
.plan-table thead th:nth-child(3){background:var(--tint);color:var(--primary)}
.plan-table tbody th{
text-align:left;font-weight:600;font-size:15px;color:var(--ink);
padding:14px 16px;background:#fff;
}
.plan-table tbody td{
padding:14px 16px;text-align:center;font-size:15px;color:var(--body);
border-top:1px solid var(--line);
}
.plan-table tbody td:nth-child(3){background:rgba(233,242,250,.55)}
.plan-table tbody tr:hover th,.plan-table tbody tr:hover td{background:#F7FAFD}
.plan-table tbody tr:hover td:nth-child(3){background:rgba(233,242,250,.8)}
.col-flag{
display:inline-block;margin-left:6px;padding:1px 8px;border-radius:999px;
background:var(--accent);color:#fff;font-size:11px;font-weight:600;vertical-align:2px;
}
.price-line{display:block;font-size:12px;font-weight:500;color:var(--muted);margin-top:2px}
.yes{color:var(--success);font-weight:700;font-size:17px;line-height:1}
.no{display:inline-block;width:14px;height:2px;border-radius:2px;background:var(--line);vertical-align:middle}
.plan-table tfoot td{padding:16px;border-top:1px solid var(--line);text-align:center;background:#fff}
.plan-table tfoot td:first-child{text-align:left;font-size:13px;color:var(--muted);font-weight:500}
.plan-cards{display:none;gap:16px}
.plan-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1)}
.plan-card.is-featured{border-color:var(--tint-line);box-shadow:var(--sh-2)}
.plan-card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.plan-card__name{font-size:17px;font-weight:700;color:var(--ink)}
.plan-card__price{font-size:15px;font-weight:600;color:var(--primary)}
.plan-card__list{margin:14px 0 18px;display:grid;gap:9px}
.plan-card__list li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--body)}
.plan-card__list li .yes{font-size:15px,}
.plan-card__list li.is-off{color:var(--muted)}
/* ---------- highlight ---------- */
.highlight-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.card{
background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--tint-line)}
.card:hover .card-title{color:var(--primary)}
.card-title{transition:color .2s ease-out}
.card-media{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg) var(--r-lg) 0 0}
.card-body{padding:24px}
.hl-main{display:flex;flex-direction:column}
.hl-main .card-body{padding:28px 28px 30px}
.hl-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.hl-name{font-size:22px;font-weight:700;color:var(--ink)}
.hl-price{font-size:15px;font-weight:600;color:var(--primary);font-variant-numeric:tabular-nums}
.hl-desc{font-size:15px;color:var(--body);margin-bottom:18px}
.hl-list{display:grid;gap:10px;margin-bottom:22px}
.hl-list li{display:flex;gap:10px;font-size:15px;color:var(--body)}
.hl-list li .mark{flex-shrink:0;width:20px;height:20px;border-radius:50%;background:rgba(18,165,148,.12);color:var(--success);display:grid;place-items:center;font-size:12px;font-weight:700;margin-top:4px}
.highlight-side{display:grid;gap:24px}
.hl-side-card{border-left:4px solid var(--tint-line);padding:24px}
.hl-side-card.is-accent{border-left-color:var(--accent)}
.hl-side-card.is-primary{border-left-color:var(--primary)}
.hl-side-title{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:6px}
.hl-side-sub{font-size:13px;color:var(--muted);margin-bottom:12px}
.hl-side-list{display:grid;gap:8px}
.hl-side-list li{font-size:14px;color:var(--body);padding-left:16px;position:relative}
.hl-side-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--tint-line)}
.hl-side-card.is-primary .hl-side-list li::before{background:var(--primary)}
.hl-side-card.is-accent .hl-side-list li::before{background:var(--accent)}
/* ---------- preview ---------- */
.preview-grid{display:grid;grid-template-columns:1.35fr 1.35fr 1fr;gap:24px}
.preview-col{display:grid;gap:24px}
.preview-card{position:relative;display:flex;flex-direction:column;overflow:hidden}
.preview-card .card-media{aspect-ratio:16/10}
.preview-card .card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.preview-chip{align-self:flex-start}
.meta-chip{
display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
background:var(--tint);color:var(--primary);font-size:12px;font-weight:600;
}
.meta-chip--alt{background:var(--alt);color:var(--body);border:1px solid var(--line)}
.preview-text{font-size:14px;color:var(--body);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.preview-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px}
.lock{
display:inline-flex;align-items:center;gap:6px;
font-size:12px;font-weight:600;color:var(--muted);
}
.lock svg{width:14px;height:14px;stroke:var(--muted)}
.preview-card.is-locked::after{
content:"";position:absolute;inset:0;background:rgba(245,248,251,.42);pointer-events:none;
}
.preview-card.is-locked .card-body{position:relative;z-index:1}
.preview-card.is-locked .preview-text{color:#6C7E8F}
.preview-small{padding:22px;display:flex;flex-direction:column;gap:10px;border-left:4px solid var(--tint-line)}
/* ---------- cms news ---------- */
.news-layout{display:grid;grid-template-columns:6fr 6fr;gap:24px;align-items:start}
.news-lead{overflow:hidden;display:flex;flex-direction:column}
.news-lead img{width:100%;aspect-ratio:16/10;object-fit:cover}
.news-lead__body{padding:24px;display:flex;flex-direction:column;gap:12px}
.news-lead__title{font-size:22px;font-weight:700;line-height:1.4;color:var(--ink)}
.news-lead__title a{color:inherit}
.news-lead__title a:hover{color:var(--primary)}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.news-meta time{font-variant-numeric:tabular-nums}
.dot-sep{width:3px;height:3px;border-radius:50%;background:var(--line)}
.excerpt{font-size:14px;color:var(--body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-compact{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.news-row{display:block;padding:18px 22px;border-bottom:1px solid var(--line);transition:background .18s ease-out}
.news-row:last-child{border-bottom:0}
.news-row:hover{background:#F7FAFD}
.news-row__title{font-size:16px;font-weight:600;line-height:1.5;color:var(--ink);margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-row:hover .news-row__title{color:var(--primary)}
.news-row__meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.cms-empty{
background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
padding:56px 24px;text-align:center;color:var(--muted);font-size:15px;
}
.cms-empty svg{width:36px;height:36px;stroke:var(--tint-line);margin:0 auto 12px}
/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start}
.faq-intro p{font-size:15px;color:var(--body);margin-top:14px}
.faq-list{display:grid;gap:10px}
.faq-item{
background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out;
position:relative;
}
.faq-item.is-open{border-color:var(--tint-line);box-shadow:var(--sh-1)}
.faq-item.is-open::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary)}
.faq-q{
width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
padding:18px 20px;background:none;border:0;text-align:left;cursor:pointer;
font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-q:hover{color:var(--primary)}
.faq-arrow{flex-shrink:0;width:18px;height:18px;stroke:var(--muted);transition:transform .22s ease-out}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);stroke:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-a p{padding:0 20px 20px;font-size:15px;color:var(--body)}
/* ---------- join band ---------- */
.join-band{
position:relative;overflow:hidden;
background:var(--primary);color:#fff;border-radius:var(--r-lg);
padding:40px;display:grid;grid-template-columns:1.15fr 1fr auto;gap:32px;align-items:center;
box-shadow:var(--sh-2);
}
.join-band::before{
content:"";position:absolute;inset:0;pointer-events:none;
background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px);
}
.join-band > *{position:relative;z-index:1}
.join-band h2{color:#fff}
.join-copy p{color:rgba(255,255,255,.82);font-size:15px;margin-top:10px}
.join-list{display:grid;gap:8px}
.join-list li{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.9)}
.join-list li svg{width:16px;height:16px;stroke:#fff;flex-shrink:0}
.join-foot{grid-column:1/-1;font-size:12px;color:rgba(255,255,255,.66);border-top:1px solid rgba(255,255,255,.16);padding-top:14px}
/* ---------- footer ---------- */
.site-footer{background:var(--footer);color:var(--footer-text);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1)}
.footer-brand span{font-size:17px;font-weight:700;color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:var(--footer-text);max-width:300px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--footer-text)}
.footer-col a:hover{color:#fff}
.footer-info li{font-size:14px;color:var(--footer-text);display:flex;gap:8px}
.footer-info li strong{color:#fff;font-weight:600}
.footer-bottom{
margin-top:48px;border-top:1px solid rgba(255,255,255,.1);
padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
font-size:12px;color:rgba(169,189,206,.85);
}
/* ---------- responsive ---------- */
@media (max-width:1023px){
.nav-toggle{display:grid}
.nav-chips{
display:none;position:absolute;left:0;right:0;top:100%;
flex-direction:column;align-items:stretch;gap:8px;margin-left:0;
background:#fff;padding:12px 20px 20px;border-bottom:1px solid var(--line);
box-shadow:var(--sh-3);
}
.nav-chips.is-open{display:flex}
.nav-chips .chip{border-radius:var(--r-md);padding:12px 14px;font-size:15px}
.nav-chips .chip.is-active{box-shadow:inset 3px 0 0 var(--primary)}
.nav-cta-mobile{display:inline-flex;margin-top:6px;width:100%}
.header-cta .btn:not(.nav-toggle){display:none}
.hero{padding:40px 0 0}
.hero-grid{grid-template-columns:1fr;gap:36px}
.trust-bar{margin-top:40px}
.highlight-grid{grid-template-columns:1fr}
.preview-grid{grid-template-columns:1fr 1fr}
.preview-col{grid-column:span 2;grid-template-columns:1fr 1fr}
.faq-layout{grid-template-columns:1fr;gap:28px}
.news-layout{grid-template-columns:1fr 1fr}
.join-band{grid-template-columns:1fr;gap:24px;padding:32px}
.footer-grid{grid-template-columns:1fr 1fr}
.section{padding:76px 0}
}
@media (max-width:1023px) and (min-width:768px){
.table-wrap{overflow-x:auto}
.plan-table{min-width:660px}
}
@media (max-width:767px){
.plan-table{display:none}
.table-wrap{display:none}
.plan-cards{display:grid}
.hero{padding:32px 0 0}
.hero-copy h1{margin:16px 0 14px}
.hero-sub{font-size:16px}
.trust-bar{grid-template-columns:1fr 1fr}
.trust-bar li:nth-child(2){border-right:0}
.trust-bar li:nth-child(n+3){border-top:1px solid var(--line)}
.preview-grid{grid-template-columns:1fr}
.preview-col{grid-column:auto;grid-template-columns:1fr}
.news-layout{grid-template-columns:1fr}
.section{padding:60px 0}
.section-head{margin-bottom:28px}
.card-body{padding:20px}
.footer-grid{grid-template-columns:1fr;gap:28px}
.footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
.join-band{padding:26px 22px}
}
@media (max-width:520px){
.brand-text em{display:none}
.hero-actions{flex-direction:column;align-items:stretch}
.hero-actions .btn{width:100%}
.trust-bar{grid-template-columns:1fr 1fr}
.footer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
*{animation:none!important;transition:none!important}
html{scroll-behavior:auto}
}
/* roulang page: category1 */
/* ============ 设计令牌 ============ */
:root{
--primary:#0F5C99;
--primary-700:#0A4573;
--tint:#E9F2FA;
--tint-strong:#D8E8F6;
--tint-border:#C9DEF0;
--accent:#FF6B35;
--accent-700:#E8551F;
--success:#12A594;
--warning:#E5A500;
--danger:#D64545;
--base:#F5F8FB;
--surface:#FFFFFF;
--alt:#F0F5FA;
--skeleton:#EEF3F8;
--ink:#0F1E2C;
--body:#4E5F70;
--muted:#8496A6;
--line:#E2EAF2;
--footer-bg:#0C2438;
--footer-text:#A9BDCE;
--footer-line:rgba(255,255,255,.09);
--r-lg:16px;
--r-md:12px;
--r-btn:10px;
--r-pill:999px;
--sh-1:0 1px 2px rgba(15,30,46,.04), 0 10px 24px -16px rgba(15,30,46,.16);
--sh-2:0 16px 32px -18px rgba(15,92,153,.28);
--sh-3:0 8px 24px -14px rgba(15,30,46,.22);
--sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:20px;
--sp-5:24px; --sp-6:28px; --sp-7:32px; --sp-8:40px;
--sp-9:48px; --sp-10:64px; --sp-11:80px; --sp-12:96px;
--t-fast:160ms ease-out;
--t-mid:220ms ease-out;
}
/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
margin:0;
font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
font-size:16px;
line-height:1.8;
color:var(--body);
background:var(--base);
font-weight:400;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--t-fast),border-color var(--t-fast)}
a:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.32}
h1{font-size:clamp(28px,3.6vw,44px);line-height:1.22;letter-spacing:.2px}
h2{font-size:clamp(22px,2.4vw,32px);line-height:1.32}
h3{font-size:clamp(17px,1.5vw,21px);line-height:1.44;font-weight:600}
h4{font-size:15px;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
time{font-size:13px;color:var(--muted)}
::selection{background:var(--tint-strong);color:var(--primary-700)}
/* ============ 容器 ============ */
.container{
width:100%;
max-width:1200px;
margin:0 auto;
padding:0 20px;
}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1280px){.container{padding:0 32px}}
/* ============ 头部与分段导航 ============ */
.site-header{
position:sticky;
top:0;
z-index:60;
background:rgba(245,248,251,.96);
border-bottom:1px solid transparent;
transition:background var(--t-mid),box-shadow var(--t-mid),border-color var(--t-mid);
}
.site-header.is-scrolled{
background:#fff;
border-bottom-color:var(--line);
box-shadow:var(--sh-3);
}
.header-inner{
display:flex;
align-items:center;
gap:16px;
min-height:76px;
transition:min-height var(--t-mid);
}
.site-header.is-scrolled .header-inner{min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;min-height:44px}
.brand-mark{
width:36px;height:36px;border-radius:11px;
background:linear-gradient(135deg,var(--primary) 0%,var(--primary-700) 100%);
display:grid;place-items:center;flex:0 0 auto;
}
.brand-mark svg{width:21px;height:21px}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:12.5px;font-weight:600;color:var(--primary);margin-left:5px}
.nav-chips{
display:flex;align-items:center;justify-content:center;gap:6px;
flex:1 1 auto;
}
.chip{
position:relative;
display:inline-flex;align-items:center;justify-content:center;
min-height:44px;padding:0 16px;
border-radius:var(--r-pill);
font-size:14.5px;font-weight:500;color:var(--body);
white-space:nowrap;
transition:background var(--t-fast),color var(--t-fast),box-shadow var(--t-fast);
}
.chip:hover{background:var(--tint);color:var(--primary-700)}
.chip.is-active{background:var(--tint);color:var(--primary);font-weight:600}
.chip.is-active::after{
content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
width:22px;height:2px;border-radius:2px;background:var(--primary);
}
.header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
display:none;width:44px;height:44px;border-radius:var(--r-btn);
border:1px solid var(--line);background:#fff;
align-items:center;justify-content:center;
}
.nav-toggle span{
display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);
position:relative;transition:background var(--t-fast);
}
.nav-toggle span::before,
.nav-toggle span::after{
content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;
background:var(--ink);transition:transform var(--t-mid),top var(--t-mid);
}
.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{top:0;transform:rotate(45deg)}
.site-header.nav-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}
.nav-cta-mobile{display:none}
/* ============ 按钮 ============ */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
min-height:46px;padding:0 22px;
border-radius:var(--r-btn);
font-size:15px;font-weight:600;
border:1px solid transparent;
transition:background var(--t-fast),color var(--t-fast),border-color var(--t-fast),box-shadow var(--t-fast),transform var(--t-fast);
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-700);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{
background:linear-gradient(135deg,#FF7A47 0%,var(--accent) 100%);
color:#fff;
}
.btn-accent:hover{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-700) 100%);transform:translateY(-1px);box-shadow:0 14px 26px -16px rgba(255,107,53,.65)}
.btn-accent:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.btn-sm{min-height:42px;padding:0 18px;font-size:14.5px}
.btn-lg{min-height:52px;padding:0 28px;font-size:16px}
/* ============ 通用文本元素 ============ */
.eyebrow{
display:inline-flex;align-items:center;gap:8px;
font-size:13.5px;font-weight:600;color:var(--primary);letter-spacing:.04em;
}
.eyebrow::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--primary)}
.lead{font-size:16.5px;color:var(--body);line-height:1.85}
.section{padding:var(--sp-10) 0}
.section-alt{background:var(--alt)}
.section-head{max-width:760px;margin:0 0 var(--sp-8)}
.section-head h2{margin:14px 0 12px}
.section-head .rule{width:44px;height:3px;border-radius:2px;background:var(--primary);margin-top:16px}
@media (min-width:768px){.section{padding:var(--sp-11) 0}}
@media (min-width:1280px){.section{padding:var(--sp-12) 0}}
/* ============ 面包屑 ============ */
.breadcrumb{
display:flex;flex-wrap:wrap;align-items:center;gap:8px;
font-size:13px;color:var(--muted);
padding:20px 0 0;
}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C6D3DE}
.breadcrumb .current{color:var(--body)}
/* ============ 分类页 Hero ============ */
.hero{padding:24px 0 var(--sp-10)}
.hero-inner{
display:grid;
grid-template-columns:1fr;
gap:32px;
align-items:center;
min-height:260px;
}
.hero-copy h1{margin:14px 0 16px}
.hero-copy .lead{max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-meta{
display:flex;flex-wrap:wrap;gap:12px 28px;
margin-top:26px;padding-top:20px;
border-top:1px solid var(--line);
font-size:13.5px;color:var(--muted);
}
.hero-meta strong{display:block;color:var(--ink);font-size:15px;font-weight:600;margin-top:2px}
.hero-media{
position:relative;border-radius:var(--r-lg);overflow:hidden;
aspect-ratio:16/10;background:var(--skeleton);
box-shadow:var(--sh-1);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
content:"";position:absolute;inset:0;
background:linear-gradient(180deg,rgba(15,92,153,.06) 0%,rgba(15,92,153,.14) 100%);
}
@media (min-width:1024px){
.hero{padding:36px 0 var(--sp-11)}
.hero-inner{grid-template-columns:1.05fr .95fr;gap:48px}
}
/* ============ 图文交错 ============ */
.split{
display:grid;grid-template-columns:1fr;gap:32px;align-items:center;
}
.split + .split{margin-top:56px}
.split-media{
border-radius:var(--r-md);overflow:hidden;background:var(--skeleton);
aspect-ratio:16/10;box-shadow:var(--sh-1);
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-mid)}
.split-media:hover img{transform:scale(1.02)}
.split-copy h2{margin-bottom:16px}
.split-copy p{max-width:600px}
.split-copy p + p{margin-top:14px}
.checklist{margin-top:22px;display:grid;gap:12px}
.checklist li{
display:flex;gap:12px;align-items:flex-start;
font-size:15.5px;color:var(--body);
}
.checklist li::before{
content:"";flex:0 0 auto;width:18px;height:18px;margin-top:6px;border-radius:50%;
background:rgba(18,165,148,.12);
background-image:url("data:image/svg+xml;utf8,");
background-size:12px 12px;background-position:center;background-repeat:no-repeat;
}
@media (min-width:900px){
.split{grid-template-columns:1fr 1fr;gap:56px}
.split.reverse .split-media{order:2}
.split.reverse .split-copy{order:1}
}
/* ============ 参数表 ============ */
.table-wrap{
border:1px solid var(--line);
border-radius:14px;
overflow:hidden;
background:var(--surface);
box-shadow:var(--sh-1);
}
table{width:100%;border-collapse:collapse;font-size:15px}
thead th{
background:var(--alt);color:var(--ink);font-weight:600;font-size:14px;
text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);
white-space:nowrap;
}
tbody td{
padding:14px 18px;border-bottom:1px solid var(--line);
color:var(--body);vertical-align:top;
}
tbody tr:nth-child(odd){background:#FAFCFE}
tbody tr:hover{background:#F7FAFD}
tbody tr:last-child td{border-bottom:0}
tbody td:first-child{
font-weight:600;color:var(--ink);width:30%;
}
@media (max-width:767px){
thead{display:none}
table,tbody,tr,td{display:block;width:100%}
tbody tr{padding:8px 0;border-bottom:1px solid var(--line);background:#fff!important}
tbody tr:last-child{border-bottom:0}
tbody td{
border:0;padding:6px 18px;
display:flex;gap:14px;align-items:flex-start;
}
tbody td::before{
content:attr(data-label);
flex:0 0 84px;color:var(--muted);font-size:13px;font-weight:500;
}
tbody td:first-child{width:auto;padding-top:14px}
tbody td:first-child::before{display:none}
}
/* ============ 三条横排要点（非卡片） ============ */
.tri{
border-top:1px solid var(--line);
border-bottom:1px solid var(--line);
display:grid;grid-template-columns:1fr;
}
.tri-item{padding:26px 0;border-bottom:1px solid var(--line)}
.tri-item:last-child{border-bottom:0}
.tri-num{
display:inline-block;font-size:13px;font-weight:700;color:var(--primary);
letter-spacing:.14em;margin-bottom:10px;
}
.tri-item h3{margin-bottom:10px}
.tri-item p{font-size:15px;color:var(--body);max-width:520px}
@media (min-width:900px){
.tri{grid-template-columns:repeat(3,1fr)}
.tri-item{
padding:30px 28px;border-bottom:0;
border-right:1px solid var(--line);
}
.tri-item:first-child{padding-left:0}
.tri-item:last-child{border-right:0;padding-right:0}
}
/* ============ 延伸阅读 ============ */
.read-list{display:grid;grid-template-columns:1fr;gap:0 44px}
.read-list a{
display:flex;align-items:flex-start;gap:12px;
padding:20px 2px;border-bottom:1px solid var(--line);
transition:padding-left var(--t-fast),color var(--t-fast);
}
.read-list a .arrow{
flex:0 0 auto;margin-top:6px;color:var(--primary);font-size:14px;
}
.read-list a .read-title{
font-size:16px;font-weight:600;color:var(--ink);line-height:1.55;
transition:color var(--t-fast);
}
.read-list a .read-meta{
display:block;margin-top:6px;font-size:13px;color:var(--muted);font-weight:400;
}
.read-list a:hover{padding-left:6px}
.read-list a:hover .read-title{color:var(--primary)}
@media (min-width:768px){.read-list{grid-template-columns:1fr 1fr}}
/* ============ 转换条 ============ */
.cta-band{
position:relative;overflow:hidden;
border-radius:var(--r-lg);
background:var(--primary);
background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.07) 0 2px,transparent 2px 16px);
color:#fff;
padding:34px 26px;
box-shadow:0 22px 44px -26px rgba(10,69,115,.7);
}
.cta-inner{display:grid;gap:26px;align-items:center}
.cta-copy h2{color:#fff;font-size:clamp(20px,2.2vw,26px);margin-bottom:10px}
.cta-copy p{color:rgba(255,255,255,.82);font-size:15px;max-width:420px}
.cta-list{display:grid;gap:10px}
.cta-list li{
display:flex;gap:10px;align-items:center;
font-size:14.5px;color:rgba(255,255,255,.92);
}
.cta-list li::before{
content:"";flex:0 0 auto;width:16px;height:16px;border-radius:50%;
background:rgba(255,255,255,.16);
background-image:url("data:image/svg+xml;utf8,");
background-size:10px 10px;background-position:center;background-repeat:no-repeat;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-note{
margin-top:26px;padding-top:16px;
border-top:1px solid rgba(255,255,255,.16);
font-size:12px;color:rgba(255,255,255,.62);
}
@media (min-width:1024px){
.cta-band{padding:44px 44px}
.cta-inner{grid-template-columns:1.15fr 1fr auto;gap:36px}
}
/* ============ 页脚 ============ */
.site-footer{background:var(--footer-bg);color:var(--footer-text);margin-top:var(--sp-12);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:600;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px}
.footer-brand .brand-mark svg{width:19px;height:19px}
.footer-desc{font-size:14px;line-height:1.85;color:var(--footer-text);max-width:380px}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:14px;font-weight:600}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--footer-text)}
.footer-col a:hover{color:#fff}
.footer-info li{font-size:13.5px;color:var(--footer-text);line-height:1.75}
.footer-info strong{color:#fff;font-weight:600;margin-right:8px}
.footer-bottom{
margin-top:38px;padding-top:20px;
border-top:1px solid var(--footer-line);
display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
font-size:12px;color:#7E93A5;
}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}}
/* ============ 移动端导航 ============ */
@media (max-width:1023px){
.nav-toggle{display:inline-flex}
.header-cta .btn{display:none}
.nav-chips{
display:none;
position:absolute;left:0;right:0;top:100%;
flex-direction:column;align-items:stretch;justify-content:flex-start;
gap:4px;padding:14px 20px 20px;
background:#fff;border-top:1px solid var(--line);
box-shadow:var(--sh-3);
}
.site-header.nav-open .nav-chips{display:flex}
.chip{justify-content:flex-start;border-radius:var(--r-btn);padding:0 14px}
.chip.is-active::after{display:none}
.chip.is-active{box-shadow:inset 3px 0 0 var(--primary);padding-left:18px}
.nav-cta-mobile{display:inline-flex;margin-top:10px;width:100%}
}
@media (max-width:767px){
.hero-actions .btn{width:100%}
.cta-actions .btn{width:100%}
.split + .split{margin-top:44px}
}
@media (prefers-reduced-motion:reduce){
*{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
/* roulang page: article */
:root{
--primary:#0F5C99;
--primary-700:#0A4573;
--tint:#E9F2FA;
--tint-line:#C9DEF0;
--accent:#FF6B35;
--accent-700:#E85A25;
--success:#12A594;
--warning:#E5A500;
--danger:#D64545;
--base:#F5F8FB;
--surface:#FFFFFF;
--alt:#F0F5FA;
--ink:#0F1E2C;
--body-text:#4E5F70;
--muted:#8496A6;
--line:#E2EAF2;
--footer-bg:#0C2438;
--footer-text:#A9BDCE;
--radius-lg:16px;
--radius-md:14px;
--radius-sm:12px;
--radius-btn:10px;
--shadow-card:0 1px 2px rgba(15,30,46,.04),0 10px 24px -16px rgba(15,30,46,.16);
--shadow-hover:0 16px 32px -18px rgba(15,92,153,.28);
--shadow-float:0 8px 24px -14px rgba(15,30,46,.22);
--ease:160ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
margin:0;
font-family:PingFang SC,"Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
font-size:16px;
line-height:1.8;
color:var(--body-text);
background:var(--base);
-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
/* ---------- header ---------- */
.site-header{
position:sticky;top:0;z-index:80;
background:rgba(245,248,251,.94);
border-bottom:1px solid transparent;
transition:background-color var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:var(--shadow-float);}
.header-inner{position:relative;display:flex;align-items:center;gap:20px;height:76px;transition:height var(--ease);}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
width:38px;height:38px;flex:none;border-radius:11px;display:grid;place-items:center;
background:linear-gradient(135deg,var(--primary),var(--primary-700));
box-shadow:0 8px 18px -12px rgba(15,92,153,.85);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.2px;white-space:nowrap;}
.brand-text em{font-style:normal;font-size:13px;font-weight:500;color:var(--primary);margin-left:3px;}
.nav-chips{display:flex;align-items:center;gap:6px;flex:1;justify-content:center;}
.chip{
position:relative;display:inline-flex;align-items:center;height:38px;padding:0 16px;
border-radius:999px;font-size:14px;font-weight:500;color:var(--body-text);
white-space:nowrap;transition:background-color var(--ease),color var(--ease);
}
.chip:hover{background:var(--tint);color:var(--primary);}
.chip.is-active{background:var(--tint);color:var(--primary);font-weight:600;}
.chip.is-active::after{
content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;background:var(--primary);
}
.header-cta{display:flex;align-items:center;gap:12px;flex:none;}
.nav-toggle{
display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;position:relative;
}
.nav-toggle span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:18px;height:2px;border-radius:2px;background:var(--ink);transition:background-color var(--ease);}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform var(--ease),top var(--ease);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}
/* ---------- buttons ---------- */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
min-height:44px;padding:0 20px;border:1px solid transparent;border-radius:var(--radius-btn);
font-size:15px;font-weight:600;line-height:1;cursor:pointer;text-align:center;
transition:transform var(--ease),background-color var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease);
}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn-lg{min-height:50px;padding:0 28px;font-size:16px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px -16px rgba(15,92,153,.9);}
.btn-primary:hover{background:var(--primary-700);transform:translateY(-1px);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 12px 24px -16px rgba(255,107,53,.95);}
.btn-accent:hover{background:var(--accent-700);transform:translateY(-1px);color:#fff;}
.btn-accent:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
.btn-block{width:100%;}
/* ---------- page head / breadcrumb ---------- */
.page-head{
background:linear-gradient(180deg,#EDF4FB 0%,#F5F8FB 100%);
border-bottom:1px solid var(--line);
padding:18px 0 22px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);line-height:1.6;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#C2CEDA;}
.breadcrumb .current{color:var(--body-text);max-width:560px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
/* ---------- article layout ---------- */
.page-main{padding:32px 0 88px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;align-items:start;}
.article-card{
background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
box-shadow:var(--shadow-card);padding:36px 40px 32px;
}
.article-title{
font-size:clamp(26px,3.4vw,40px);line-height:1.25;letter-spacing:.2px;color:var(--ink);
overflow-wrap:break-word;word-break:break-word;
}
.article-title::after{content:"";display:block;width:48px;height:4px;border-radius:2px;background:var(--primary);margin-top:16px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;font-size:13px;color:var(--muted);}
.meta-dot{width:3px;height:3px;border-radius:50%;background:#C7D3DF;display:inline-block;}
.meta-chip{
display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
background:var(--tint);color:var(--primary);font-size:13px;font-weight:500;
}
.meta-chip:hover{background:#DCEBF8;color:var(--primary-700);}
.article-body{max-width:820px;margin-top:28px;font-size:16px;line-height:1.9;color:var(--body-text);overflow-wrap:break-word;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
position:relative;font-size:24px;line-height:1.4;color:var(--ink);
margin:44px 0 16px;padding-left:14px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:1em;border-radius:2px;background:var(--primary);}
.article-body h3{font-size:19px;line-height:1.5;color:var(--ink);margin:32px 0 12px;}
.article-body h4{font-size:17px;color:var(--ink);margin:24px 0 10px;}
.article-body ul{margin:0 0 1.2em;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.5em;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.68em;width:7px;height:7px;border-radius:2px;background:var(--primary);opacity:.75;}
.article-body ol{padding-left:24px;list-style:decimal;margin:0 0 1.2em;}
.article-body ol li{margin-bottom:.5em;}
.article-body blockquote{
margin:0 0 1.2em;padding:14px 18px;border-left:3px solid var(--primary);
background:var(--tint);border-radius:0 12px 12px 0;color:var(--primary-700);
}
.article-body img{border-radius:12px;margin:20px auto;background:#EEF3F8;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(15,92,153,.35);}
.article-body a:hover{color:var(--primary-700);border-bottom-color:var(--primary-700);}
.article-body strong{color:var(--ink);font-weight:600;}
.article-body table{width:100%;border-collapse:collapse;font-size:14px;margin:0 0 1.4em;border-radius:var(--radius-md);overflow:hidden;}
.article-body th,.article-body td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{background:var(--alt);color:var(--ink);font-weight:600;}
.article-body tbody tr:hover td{background:#F7FAFD;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0;}
.empty-state{text-align:center;padding:48px 20px;border:1px dashed var(--tint-line);border-radius:var(--radius-md);background:#FAFCFE;}
.empty-state svg{width:44px;height:44px;margin:0 auto 16px;stroke:var(--muted);}
.empty-state h2{font-size:20px;margin-bottom:8px;}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:20px;}
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);}
.tag-label{font-size:13px;color:var(--muted);}
.tag{
display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
background:var(--alt);color:var(--body-text);font-size:13px;font-weight:500;
border:1px solid var(--line);
}
.tag:hover{background:var(--tint);color:var(--primary);border-color:var(--tint-line);}
.article-foot{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
/* ---------- aside ---------- */
.article-aside{display:none;}
.aside-card{
background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
box-shadow:var(--shadow-card);padding:20px 22px;
}
.aside-card + .aside-card{margin-top:20px;}
.aside-card--tint{background:linear-gradient(180deg,#EFF6FC,#FFFFFF);border-color:var(--tint-line);}
.aside-title{font-size:16px;font-weight:600;margin-bottom:14px;padding-left:10px;position:relative;}
.aside-title::before{content:"";position:absolute;left:0;top:.34em;width:3px;height:.9em;border-radius:2px;background:var(--primary);}
.aside-nav li + li{margin-top:4px;}
.aside-nav a{display:block;padding:8px 10px;border-radius:10px;font-size:14px;color:var(--body-text);}
.aside-nav a:hover{background:var(--tint);color:var(--primary);}
.aside-text{font-size:14px;line-height:1.8;color:var(--body-text);margin-bottom:16px;}
/* ---------- sections ---------- */
.section{padding:0 0 72px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.section-head h2{font-size:clamp(22px,2.6vw,28px);}
.section-head .section-desc{font-size:15px;color:var(--muted);margin-top:8px;}
.section-more{font-size:14px;font-weight:500;color:var(--primary);}
.section-more:hover{text-decoration:underline;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.article-card-item{
display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);
transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.article-card-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--tint-line);}
.article-card-thumb{aspect-ratio:16/10;background:#EEF3F8;overflow:hidden;}
.article-card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease-out;}
.article-card-item:hover .article-card-thumb img{transform:scale(1.03);}
.article-card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.article-card-body h3{font-size:18px;line-height:1.45;}
.article-card-item:hover .article-card-body h3{color:var(--primary);}
.article-card-body p{font-size:14px;color:var(--body-text);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-chip{
align-self:flex-start;display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
background:var(--tint);color:var(--primary);font-size:12px;font-weight:500;
}
.card-meta{font-size:13px;color:var(--muted);margin-top:auto;}
/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;}
.faq-list{display:grid;gap:10px;}
.faq-item{
background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item.is-open{border-color:var(--tint-line);box-shadow:var(--shadow-card);position:relative;overflow:hidden;}
.faq-item.is-open::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;background:var(--primary);}
.faq-q{
width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
min-height:56px;padding:14px 18px;background:transparent;border:0;text-align:left;
font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-arrow{width:16px;height:16px;flex:none;stroke:var(--muted);stroke-width:1.8;fill:none;transition:transform 220ms ease-out,stroke var(--ease);}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);stroke:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms ease-out;}
.faq-a-inner{padding:0 18px 18px;font-size:15px;line-height:1.85;color:var(--body-text);}
/* ---------- cta ---------- */
.cta-card{
position:relative;overflow:hidden;border-radius:var(--radius-lg);
background:var(--primary);
background-image:linear-gradient(135deg,rgba(255,255,255,.08) 0%,rgba(255,255,255,0) 55%),
repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 2px,rgba(255,255,255,0) 2px 14px);
padding:36px 40px;
display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) auto;gap:28px;align-items:center;
}
.cta-text h2{color:#fff;font-size:clamp(20px,2.4vw,26px);}
.cta-text p{color:rgba(255,255,255,.82);font-size:15px;margin-top:10px;line-height:1.8;}
.cta-list{display:grid;gap:8px;}
.cta-list li{position:relative;padding-left:20px;color:rgba(255,255,255,.92);font-size:14px;}
.cta-list li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--accent);}
.cta-note{font-size:12px;color:var(--muted);margin-top:14px;}
/* ---------- footer ---------- */
.site-footer{background:var(--footer-bg);color:var(--footer-text);padding:56px 0 24px;margin-top:16px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:600;margin-bottom:14px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;}
.footer-desc{font-size:14px;line-height:1.85;color:var(--footer-text);max-width:340px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;font-weight:600;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--footer-text);}
.footer-col ul a:hover{color:#fff;}
.footer-info li{font-size:14px;color:var(--footer-text);line-height:1.8;}
.footer-info strong{display:block;color:#DCE7F0;font-weight:500;font-size:13px;}
.footer-bottom{
margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12px;color:#7F97AC;
}
/* ---------- responsive ---------- */
@media (min-width:768px){
.container{padding:0 24px;}
.faq-wrap{grid-template-columns:minmax(0,0.85fr) minmax(0,1.6fr);gap:32px;align-items:start;}
.faq-side h2{font-size:26px;}
.faq-side p{font-size:15px;color:var(--muted);margin-top:12px;line-height:1.85;}
}
@media (min-width:1200px){
.article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:40px;}
.article-aside{display:grid;gap:0;position:sticky;top:96px;align-self:start;}
}
@media (min-width:1280px){
.container{padding:0 32px;}
}
@media (max-width:1199px){
.aside-card + .aside-card{margin-top:20px;}
}
@media (max-width:1023px){
.nav-toggle{display:grid;place-items:center;}
.nav-chips{
position:absolute;left:-20px;right:-20px;top:100%;display:none;flex-direction:column;align-items:stretch;
gap:2px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-float);
padding:12px 20px 18px;
}
.nav-chips.is-open{display:flex;}
.chip{height:46px;border-radius:12px;padding:0 14px;}
.chip.is-active::after{display:none;}
.chip.is-active{box-shadow:inset 3px 0 0 var(--primary);}
.header-cta .btn{display:none;}
.nav-cta-mobile{display:inline-flex;width:100%;margin-top:10px;justify-content:center;}
.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
.cta-card{grid-template-columns:minmax(0,1fr);gap:20px;padding:30px 26px;}
.footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (min-width:1024px){
.nav-cta-mobile{display:none;}
}
@media (max-width:767px){
.header-inner{height:66px;gap:12px;}
.brand-text{font-size:17px;}
.brand-text em{display:none;}
.page-main{padding:22px 0 64px;}
.article-card{padding:22px 18px 24px;border-radius:var(--radius-md);}
.article-title{font-size:24px;}
.article-body{font-size:16px;line-height:1.85;}
.article-body h2{font-size:20px;margin-top:34px;}
.article-body h3{font-size:17px;}
.article-foot .btn{width:100%;}
.card-grid{grid-template-columns:minmax(0,1fr);}
.cta-card{padding:26px 20px;}
.cta-card .btn{width:100%;}
.footer-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
.footer-bottom{justify-content:flex-start;}
}
@media (prefers-reduced-motion:reduce){
*,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}
/* roulang page: category2 */
:root{
--primary:#0F5C99;
--primary-700:#0A4573;
--tint:#E9F2FA;
--primary-line:#C9DEF0;
--accent:#FF6B35;
--accent-dark:#E85A26;
--success:#12A594;
--warning:#E5A500;
--danger:#D64545;
--base:#F5F8FB;
--surface:#FFFFFF;
--alt:#F0F5FA;
--ink:#0F1E2C;
--body:#4E5F70;
--muted:#8496A6;
--line:#E2EAF2;
--footer-bg:#0C2438;
--footer-text:#A9BDCE;
--radius-lg:16px;
--radius-md:12px;
--radius-sm:10px;
--shadow-1:0 1px 2px rgba(15,30,46,.04), 0 10px 24px -16px rgba(15,30,46,.16);
--shadow-2:0 16px 32px -18px rgba(15,92,153,.28);
--shadow-nav:0 8px 24px -14px rgba(15,30,46,.22);
--ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
margin:0;
font-family:PingFang SC,"Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
font-size:16px;
line-height:1.8;
color:var(--body);
background:var(--base);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.32}
h1{font-size:clamp(28px,3.6vw,46px);line-height:1.22}
h2{font-size:clamp(22px,2.3vw,31px)}
h3{font-size:18px;font-weight:600;line-height:1.45}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
time{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1280px){.container{padding:0 32px}}
/* ---------- Header ---------- */
.site-header{
position:sticky;top:0;z-index:80;
background:var(--base);
border-bottom:1px solid transparent;
transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
background:rgba(255,255,255,.96);
border-bottom-color:var(--line);
box-shadow:var(--shadow-nav);
}
.header-inner{display:flex;align-items:center;gap:20px;height:76px;transition:height var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
width:38px;height:38px;border-radius:12px;flex-shrink:0;
background:linear-gradient(135deg,var(--primary),var(--primary-700));
display:inline-flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:13px;font-weight:500;color:var(--primary);margin-left:4px;letter-spacing:.5px}
.nav-chips{display:flex;align-items:center;gap:6px;margin:0 auto}
.chip{
display:inline-flex;align-items:center;height:38px;padding:0 16px;
border-radius:999px;font-size:14px;font-weight:500;color:var(--body);
transition:background var(--ease),color var(--ease),box-shadow var(--ease);
}
.chip:hover{background:var(--tint);color:var(--primary)}
.chip.is-active{background:var(--tint);color:var(--primary);box-shadow:inset 0 -2px 0 var(--primary)}
.header-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-cta-mobile{display:none}
.nav-toggle{
display:none;width:44px;height:44px;align-items:center;justify-content:center;
border-radius:var(--radius-sm);border:1px solid var(--line);background:#fff;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.nav-toggle span::before,.nav-toggle span::after{
content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* ---------- Buttons ---------- */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
height:46px;padding:0 22px;border-radius:var(--radius-sm);
font-size:15px;font-weight:600;letter-spacing:.2px;
border:1px solid transparent;white-space:nowrap;
transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--primary-700);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 22px -14px rgba(255,107,53,.75)}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
/* ---------- Hero ---------- */
.page-hero{
position:relative;overflow:hidden;
padding:44px 0 56px;
background:
linear-gradient(180deg,#FFFFFF 0%,var(--base) 100%);
border-bottom:1px solid var(--line);
}
.page-hero::after{
content:"";position:absolute;inset:0;pointer-events:none;
background:repeating-linear-gradient(115deg,rgba(15,92,153,.05) 0 2px,transparent 2px 16px);
opacity:.7;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:960px){.hero-grid{grid-template-columns:1fr 1.05fr;gap:48px}}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--primary);font-weight:500}
.eyebrow{
display:inline-flex;align-items:center;gap:8px;
height:30px;padding:0 14px;border-radius:999px;
background:var(--tint);color:var(--primary);
font-size:13px;font-weight:500;margin-bottom:18px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.page-hero h1{max-width:15em;margin-bottom:16px}
.page-hero .lead{font-size:17px;line-height:1.85;color:var(--body);max-width:34em;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.hero-facts{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line);padding-top:20px}
@media (min-width:600px){.hero-facts{grid-template-columns:repeat(4,1fr)}}
.hero-facts li{padding:0 14px;border-left:1px solid var(--line)}
.hero-facts li:first-child{border-left:0;padding-left:0}
.hero-facts strong{display:block;font-size:22px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.3}
.hero-facts span{font-size:13px;color:var(--muted)}
.hero-media{position:relative}
.hero-media img{
width:100%;aspect-ratio:16/9;object-fit:cover;
border-radius:var(--radius-lg);background:#EEF3F8;
box-shadow:var(--shadow-1);
}
.hero-media::after{
content:"";position:absolute;inset:0;border-radius:var(--radius-lg);
background:linear-gradient(160deg,rgba(15,92,153,.14),rgba(15,92,153,.02));
}
/* ---------- Sections ---------- */
.section{padding:60px 0}
@media (min-width:768px){.section{padding:78px 0}}
@media (min-width:1280px){.section{padding:92px 0}}
.section-alt{background:var(--alt)}
.section-head{max-width:640px;margin-bottom:36px}
.section-head h2{position:relative;padding-left:16px;margin-bottom:12px}
.section-head h2::before{
content:"";position:absolute;left:0;top:.22em;width:4px;height:.86em;border-radius:2px;background:var(--primary);
}
.section-head p{font-size:16px;color:var(--body)}
.section-head::after{content:"";display:block;width:44px;height:2px;background:var(--primary-line);margin-top:18px}
/* ---------- Cards ---------- */
.card{
background:var(--surface);border:1px solid var(--line);
border-radius:var(--radius-lg);padding:24px;
box-shadow:var(--shadow-1);
transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--primary-line)}
.card h3{margin-bottom:8px}
.card p{font-size:15px;color:var(--body)}
/* ---------- Compare table ---------- */
.table-wrap{
position:relative;background:var(--surface);
border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-1);
}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:640px}
thead th{
background:var(--alt);color:var(--ink);font-size:14px;font-weight:600;
text-align:left;padding:16px;border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{
padding:15px 16px;border-bottom:1px solid var(--line);
font-size:15px;color:var(--body);vertical-align:middle;
}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#F7FAFD}
tbody td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
.mark-yes{color:var(--success);font-weight:600}
.mark-yes::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--success);margin-right:7px;vertical-align:2px}
.mark-no{color:var(--muted)}
.table-hint{font-size:13px;color:var(--muted);margin-top:12px;display:flex;align-items:center;gap:8px}
.table-hint svg{width:16px;height:16px;flex-shrink:0}
/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{
content:"";position:absolute;left:19px;top:14px;bottom:30px;width:2px;background:var(--primary-line);
}
.step{position:relative;padding-left:64px;padding-bottom:26px}
.step:last-child{padding-bottom:0}
.step-num{
position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;
background:#fff;border:2px solid var(--primary);color:var(--primary);
display:flex;align-items:center;justify-content:center;
font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;z-index:1;
}
.step-body{
background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
padding:22px 24px;box-shadow:var(--shadow-1);
transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.step-body:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--primary-line)}
.step-body h3{margin-bottom:8px}
.step-body p{font-size:15px;line-height:1.85}
.step-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
background:var(--tint);color:var(--primary);font-size:13px;font-weight:500;
}
.tag-neutral{background:var(--alt);color:var(--body)}
.step-thumb{
margin-top:16px;width:100%;max-width:260px;aspect-ratio:16/10;
object-fit:cover;border-radius:var(--radius-md);background:#EEF3F8;
}
/* ---------- Note card ---------- */
.note-card{
background:var(--tint);border-left:3px solid var(--primary);
border-radius:var(--radius-md);padding:20px 24px;margin-top:32px;
}
.note-card h3{font-size:17px;margin-bottom:8px;color:var(--primary-700)}
.note-card p{font-size:15px;color:var(--body)}
/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:960px){.faq-layout{grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:48px;align-items:start}}
.faq-aside h2{position:relative;padding-left:16px;margin-bottom:12px}
.faq-aside h2::before{content:"";position:absolute;left:0;top:.22em;width:4px;height:.86em;border-radius:2px;background:var(--primary)}
.faq-aside p{font-size:15px;color:var(--body)}
.faq-list{display:grid;gap:10px}
.faq-item{
background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item.is-open{border-color:var(--primary-line);box-shadow:var(--shadow-1)}
.faq-q{
width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
padding:18px 22px;text-align:left;min-height:44px;
}
.faq-q span{font-size:16px;font-weight:600;color:var(--ink)}
.faq-q:hover span{color:var(--primary)}
.faq-arrow{width:16px;height:16px;flex-shrink:0;stroke:var(--muted);transition:transform 220ms ease-out}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);stroke:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms ease-out}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--body)}
/* ---------- Read more ---------- */
.read-more-list{display:grid;gap:12px}
.read-item{
display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;
background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
padding:16px 20px;box-shadow:var(--shadow-1);
transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.read-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--primary-line)}
.read-item:hover h3{color:var(--primary)}
.read-item img{width:76px;height:52px;object-fit:cover;border-radius:8px;background:#EEF3F8}
.read-item h3{font-size:16px;margin-bottom:4px;transition:color var(--ease)}
.read-item p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.read-arrow{width:18px;height:18px;stroke:var(--muted);flex-shrink:0}
@media (max-width:600px){
.read-item{grid-template-columns:auto 1fr;gap:12px}
.read-arrow{display:none}
.read-item img{width:64px;height:48px}
}
/* ---------- CTA band ---------- */
.cta-band{
position:relative;overflow:hidden;
background:var(--primary);
border-radius:var(--radius-lg);
padding:32px 28px;
display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
box-shadow:var(--shadow-2);
}
.cta-band::before{
content:"";position:absolute;inset:0;
background:repeating-linear-gradient(120deg,rgba(255,255,255,.07) 0 2px,transparent 2px 18px);
}
.cta-band > *{position:relative;z-index:1}
@media (min-width:960px){
.cta-band{grid-template-columns:1.3fr 1fr auto;padding:40px 44px;gap:32px}
}
.cta-band h2{color:#fff;margin-bottom:10px;font-size:clamp(21px,2.2vw,28px)}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px}
.cta-points{display:grid;gap:8px}
.cta-points li{
display:flex;align-items:flex-start;gap:10px;
font-size:14px;color:rgba(255,255,255,.9);
}
.cta-points svg{width:16px;height:16px;stroke:#fff;flex-shrink:0;margin-top:6px}
.cta-note{font-size:12px;color:var(--muted);margin-top:14px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* ---------- Footer ---------- */
.site-footer{background:var(--footer-bg);color:var(--footer-text);margin-top:64px}
.site-footer .container{padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:40px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-size:17px;font-weight:700}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.1)}
.footer-desc{font-size:14px;line-height:1.9;color:var(--footer-text);max-width:32em}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.3px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--footer-text)}
.footer-col a:hover{color:#fff}
.footer-info li{font-size:14px;color:var(--footer-text);line-height:1.8}
.footer-info strong{display:block;color:#fff;font-weight:600;font-size:13px}
.footer-bottom{
display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
border-top:1px solid rgba(255,255,255,.1);
padding:20px 0 28px;font-size:12px;color:rgba(169,189,206,.85);
}
/* ---------- Responsive nav ---------- */
@media (max-width:1023px){
.header-inner{height:64px}
.header-cta .btn{display:none}
.nav-toggle{display:inline-flex}
.nav-chips{
position:absolute;top:100%;left:0;right:0;
display:none;flex-direction:column;align-items:stretch;gap:4px;
background:#fff;border-bottom:1px solid var(--line);
box-shadow:var(--shadow-nav);
padding:12px 20px 20px;margin:0;
}
.nav-chips.is-open{display:flex}
.nav-chips .chip{
height:46px;border-radius:var(--radius-sm);
border-left:3px solid transparent;justify-content:flex-start;
}
.nav-chips .chip.is-active{border-left-color:var(--primary);box-shadow:none}
.nav-cta-mobile{display:inline-flex;width:100%;margin-top:10px}
}
@media (max-width:767px){
.page-hero{padding:28px 0 40px}
.hero-facts li{padding:0 10px}
.hero-facts strong{font-size:19px}
.step{padding-left:52px}
.timeline::before{left:15px}
.step-num{width:32px;height:32px;font-size:14px;border-width:2px}
.step-body{padding:18px}
.cta-band{padding:26px 20px}
.btn{width:100%}
.hero-actions .btn,.cta-actions .btn{width:100%}
.read-item{padding:14px 16px}
}
@media (prefers-reduced-motion:reduce){
*,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}
/* roulang page: category3 */
:root{
--primary:#0F5C99;
--primary-700:#0A4573;
--tint:#E9F2FA;
--tint-line:#C9DEF0;
--accent:#FF6B35;
--accent-600:#F0551C;
--success:#12A594;
--warning:#E5A500;
--danger:#D64545;
--base:#F5F8FB;
--surface:#FFFFFF;
--alt:#F0F5FA;
--ink:#0F1E2C;
--body:#4E5F70;
--muted:#8496A6;
--line:#E2EAF2;
--footer-bg:#0C2438;
--footer-text:#A9BDCE;
--radius-lg:16px;
--radius-md:12px;
--radius-sm:10px;
--radius-pill:999px;
--shadow-1:0 1px 2px rgba(15,30,46,.04), 0 10px 24px -16px rgba(15,30,46,.16);
--shadow-2:0 16px 32px -18px rgba(15,92,153,.28);
--shadow-3:0 8px 24px -14px rgba(15,30,46,.22);
--space-1:8px;
--space-2:16px;
--space-3:24px;
--space-4:32px;
--space-5:48px;
--space-6:64px;
--space-7:96px;
--ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
margin:0;
font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
font-size:16px;
line-height:1.8;
color:var(--body);
background:var(--base);
-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px;}
h1{font-size:clamp(30px,4vw,52px);line-height:1.2;}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;}
h3{font-size:clamp(17px,1.5vw,20px);line-height:1.45;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--primary);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--primary-700);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1280px){.container{padding:0 32px;}}
/* ============ 按钮 ============ */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
min-height:46px;padding:0 22px;border-radius:var(--radius-sm);
font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px -12px rgba(15,92,153,.7);}
.btn-primary:hover{background:var(--primary-700);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:linear-gradient(135deg,#FF7A4A,#F0551C);color:#fff;box-shadow:0 10px 20px -12px rgba(240,85,28,.75);}
.btn-accent:hover{background:linear-gradient(135deg,#F0551C,#DC4713);color:#fff;transform:translateY(-1px);}
.btn-outline{background:var(--surface);color:var(--ink);border:1px solid var(--line);}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);}
.link-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.link-more i{font-size:12px;transition:transform .18s var(--ease);}
.link-more:hover i{transform:translateX(3px);}
/* ============ 徽章 / 标签 ============ */
.badge{
display:inline-flex;align-items:center;gap:6px;
padding:5px 13px;border-radius:var(--radius-pill);
font-size:13px;font-weight:500;background:var(--tint);color:var(--primary);
}
.badge-neutral{background:#EEF3F8;color:var(--muted);}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
.chip{
display:inline-flex;align-items:center;
min-height:40px;padding:0 16px;border-radius:var(--radius-pill);
font-size:14px;font-weight:500;color:var(--body);background:transparent;
transition:background-color .18s var(--ease),color .18s var(--ease);
}
.chip:hover{background:var(--tint);color:var(--primary-700);}
.chip.is-active{background:var(--tint);color:var(--primary);font-weight:600;}
/* ============ 页头导航 ============ */
.site-header{
position:sticky;top:0;z-index:60;
background:rgba(245,248,251,.92);
backdrop-filter:saturate(140%) blur(6px);
border-bottom:1px solid transparent;
transition:background-color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-scrolled{
background:rgba(255,255,255,.96);
border-bottom-color:var(--line);
box-shadow:var(--shadow-3);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:76px;transition:min-height .2s var(--ease);}
.site-header.is-scrolled .header-inner{min-height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:18px;letter-spacing:.2px;}
.brand-mark{
width:36px;height:36px;border-radius:11px;flex:0 0 auto;
background:linear-gradient(140deg,var(--primary),#1470B8);
display:inline-flex;align-items:center;justify-content:center;
box-shadow:0 8px 16px -10px rgba(15,92,153,.85);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text em{font-style:normal;color:var(--primary);font-weight:600;margin-left:4px;font-size:16px;}
.nav-chips{display:flex;align-items:center;gap:4px;}
.nav-chips .chip{position:relative;}
.nav-chips .chip.is-active{box-shadow:inset 0 -2px 0 var(--primary);}
.nav-cta-mobile{display:none;}
.header-cta{display:flex;align-items:center;gap:10px;}
.nav-toggle{
display:none;width:44px;height:44px;border-radius:12px;
border:1px solid var(--line);background:var(--surface);
align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{
content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
transition:transform .2s var(--ease),top .2s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
/* ============ Hero ============ */
.hero{padding:36px 0 8px;}
.hero-grid{
display:grid;grid-template-columns:1fr;gap:28px;align-items:center;
background:var(--surface);border:1px solid var(--line);border-radius:20px;
padding:26px;box-shadow:var(--shadow-1);
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px;}
.hero h1{margin-bottom:14px;}
.hero h1 .hl{color:var(--primary);}
.hero-sub{font-size:17px;line-height:1.85;max-width:56ch;margin-bottom:22px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:#EEF3F8;aspect-ratio:16/9;}
.hero-figure img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius-lg);}
.hero-figure::after{
content:"";position:absolute;inset:0;border-radius:var(--radius-lg);
background:linear-gradient(180deg,rgba(15,92,153,.10),rgba(15,92,153,.22));
}
.hero-figure figcaption{
position:absolute;left:14px;bottom:14px;z-index:2;
color:#fff;font-size:13px;padding:6px 12px;border-radius:var(--radius-pill);
background:rgba(12,36,56,.62);
}
.hero-facts{
display:grid;grid-template-columns:repeat(2,1fr);gap:0;margin-top:26px;
border-top:1px solid var(--line);
}
.hero-facts li{padding:16px 8px 4px;border-right:1px solid var(--line);}
.hero-facts li:last-child{border-right:0;}
.hero-facts strong{display:block;font-size:20px;color:var(--ink);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;}
.hero-facts span{font-size:13px;color:var(--muted);}
/* ============ 通用板块 ============ */
.section{padding:64px 0;}
.section-alt{background:var(--alt);}
.section-head{margin-bottom:32px;max-width:760px;}
.section-head .kicker{
display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
color:var(--primary);letter-spacing:1.4px;text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{position:relative;padding-left:14px;}
.section-head h2::before{
content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--primary);
}
.section-head .head-line{width:44px;height:2px;background:var(--tint-line);margin:14px 0 0 14px;}
.section-head p{margin-top:14px;font-size:16px;line-height:1.85;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
/* ============ 主题矩阵 ============ */
.matrix{display:grid;grid-template-columns:1fr;gap:22px;}
.matrix-card{
background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;
transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.matrix-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--tint-line);}
.matrix-card:hover .matrix-title{color:var(--primary);}
.matrix-thumb{position:relative;aspect-ratio:16/10;background:#EEF3F8;overflow:hidden;}
.matrix-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.matrix-card:hover .matrix-thumb img{transform:scale(1.03);}
.matrix-tag{
position:absolute;left:14px;top:14px;z-index:2;
background:rgba(255,255,255,.94);color:var(--primary);
font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--radius-pill);
}
.matrix-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.matrix-title{margin-bottom:10px;transition:color .18s var(--ease);}
.matrix-body p{font-size:15px;line-height:1.8;}
.matrix-points{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.matrix-points li{font-size:14px;color:var(--body);display:flex;gap:8px;align-items:flex-start;}
.matrix-points i{color:var(--success);font-size:13px;margin-top:6px;}
.matrix-foot{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;}
.matrix-foot .meta{font-size:13px;color:var(--muted);}
.matrix-card--text .matrix-body{padding-top:26px;}
.matrix-card--text::before{
content:"";display:block;height:4px;width:56px;margin:24px 0 0 24px;border-radius:2px;background:var(--primary);
}
.matrix-card--text.is-member::before{background:var(--accent);}
/* ============ 对比表 ============ */
.table-wrap{
background:var(--surface);border:1px solid var(--line);border-radius:14px;
overflow:hidden;box-shadow:var(--shadow-1);
}
table.compare{width:100%;border-collapse:collapse;font-size:15px;}
table.compare caption{
caption-side:top;text-align:left;padding:18px 22px 6px;color:var(--muted);font-size:13px;
}
table.compare thead th{
background:var(--alt);text-align:left;color:var(--ink);font-weight:700;font-size:14px;
padding:15px 20px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.compare tbody td{
padding:15px 20px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.75;
}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody tr:hover{background:#F7FAFD;}
table.compare tbody td:first-child{font-weight:600;color:var(--ink);width:26%;}
table.compare .yes{color:var(--success);font-weight:600;}
table.compare .yes i{margin-right:6px;font-size:13px;}
table.compare .no{color:var(--muted);letter-spacing:2px;}
/* ============ 延伸阅读 ============ */
.reads{display:grid;grid-template-columns:1fr;gap:16px;}
.read-item{
background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
padding:18px 20px;display:flex;gap:14px;align-items:flex-start;
transition:border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.read-item:hover{border-color:var(--tint-line);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.read-item i{color:var(--primary);font-size:16px;margin-top:5px;}
.read-item h3{font-size:16px;margin-bottom:4px;}
.read-item span{font-size:13px;color:var(--muted);}
/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr;gap:28px;}
.faq-side p{font-size:15px;line-height:1.85;}
.faq-side .badge{margin-top:14px;}
.faq-list{display:flex;flex-direction:column;gap:10px;}
.faq-item{
background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item.is-open{border-color:var(--tint-line);box-shadow:var(--shadow-1);}
.faq-q button{
width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
padding:18px 20px;text-align:left;min-height:56px;
}
.faq-q h3{font-size:16.5px;font-weight:600;position:relative;padding-left:12px;}
.faq-q h3::before{
content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:2px;background:transparent;
transition:background-color .2s var(--ease);
}
.faq-item.is-open .faq-q h3::before{background:var(--primary);}
.faq-arrow{
flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--tint);color:var(--primary);
display:inline-flex;align-items:center;justify-content:center;font-size:11px;
transition:transform .22s var(--ease);
}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a-inner{padding:0 20px 20px 32px;font-size:15px;line-height:1.85;}
/* ============ 转换条 ============ */
.cta-band{padding:0 0 72px;}
.cta-card{
position:relative;overflow:hidden;border-radius:20px;
background:var(--primary);color:#fff;padding:34px 28px;
display:grid;grid-template-columns:1fr;gap:24px;
box-shadow:0 24px 48px -30px rgba(15,92,153,.85);
}
.cta-card::before{
content:"";position:absolute;inset:0;
background:repeating-linear-gradient(135deg,rgba(255,255,255,.07) 0 10px,transparent 10px 26px);
pointer-events:none;
}
.cta-card h2{color:#fff;font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;position:relative;}
.cta-card p{color:rgba(255,255,255,.86);font-size:15px;position:relative;}
.cta-perks{display:flex;flex-direction:column;gap:10px;position:relative;}
.cta-perks li{display:flex;gap:9px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.92);}
.cta-perks i{color:#BFF3E9;font-size:13px;margin-top:6px;}
.cta-action{position:relative;display:flex;flex-direction:column;gap:10px;align-items:flex-start;}
.cta-note{font-size:12px;color:rgba(255,255,255,.7);position:relative;}
/* ============ 页脚 ============ */
.site-footer{background:var(--footer-bg);color:var(--footer-text);padding:56px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;}
.footer-desc{font-size:14px;line-height:1.85;color:var(--footer-text);max-width:38ch;}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:14px;letter-spacing:.4px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:var(--footer-text);font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-info li{font-size:14px;line-height:1.8;color:var(--footer-text);}
.footer-info strong{color:#fff;font-weight:600;margin-right:8px;}
.footer-bottom{
margin-top:40px;padding-top:20px;border-top:1px solid rgba(169,189,206,.22);
display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
font-size:12px;color:rgba(169,189,206,.85);
}
/* ============ 响应式 ============ */
@media (min-width:768px){
.hero{padding:44px 0 8px;}
.hero-grid{grid-template-columns:1fr 1fr;padding:32px;}
.hero-facts{grid-template-columns:repeat(4,1fr);}
.matrix{grid-template-columns:repeat(2,1fr);}
.reads{grid-template-columns:repeat(2,1fr);}
.cta-card{grid-template-columns:1.4fr 1fr auto;align-items:center;padding:40px;}
.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;}
}
@media (min-width:1024px){
.section{padding:88px 0;}
.matrix{grid-template-columns:repeat(3,1fr);}
.matrix-card--wide{grid-row:span 1;}
.faq-grid{grid-template-columns:4fr 8fr;gap:40px;}
.faq-side{position:sticky;top:104px;align-self:start;}
}
@media (min-width:1280px){
.section{padding:96px 0;}
}
@media (max-width:1023px){
.nav-chips{gap:2px;}
.nav-chips .chip{padding:0 12px;font-size:13.5px;}
}
@media (max-width:860px){
.nav-toggle{display:inline-flex;}
.nav-cta-mobile{display:flex;width:100%;margin-top:6px;}
.header-cta .btn-accent{display:none;}
.nav-chips{
position:absolute;left:0;right:0;top:100%;
flex-direction:column;align-items:stretch;gap:4px;
background:var(--surface);border-bottom:1px solid var(--line);
box-shadow:var(--shadow-3);padding:14px 20px 20px;
display:none;
}
.nav-chips.is-open{display:flex;}
.nav-chips .chip{justify-content:flex-start;min-height:46px;padding-left:14px;border-left:3px solid transparent;}
.nav-chips .chip.is-active{border-left-color:var(--primary);box-shadow:none;}
.hero-facts{grid-template-columns:repeat(2,1fr);}
.hero-facts li:nth-child(2){border-right:0;}
.hero-facts li:nth-child(3),.hero-facts li:nth-child(4){border-top:1px solid var(--line);}
.hero-facts li:nth-child(4){border-right:0;}
}
@media (max-width:767px){
.table-wrap{border-radius:12px;background:transparent;border:0;box-shadow:none;overflow:visible;}
table.compare,table.compare tbody,table.compare tr,table.compare td{display:block;width:100%;}
table.compare caption{padding:0 0 12px;}
table.compare thead{display:none;}
table.compare tbody tr{
background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
box-shadow:var(--shadow-1);padding:6px 4px;margin-bottom:14px;
}
table.compare tbody td{
border-bottom:1px dashed var(--line);padding:12px 16px;display:flex;gap:12px;
}
table.compare tbody td:last-child{border-bottom:0;}
table.compare tbody td:first-child{width:auto;color:var(--primary);}
table.compare tbody td::before{
content:attr(data-label);flex:0 0 34%;color:var(--muted);font-weight:500;font-size:13px;
}
.faq-a-inner{padding-left:20px;}
.cta-band{padding-bottom:56px;}
.btn{width:100%;}
.hero-actions .btn,.cta-action .btn{width:100%;}
.matrix-foot{flex-direction:column;align-items:flex-start;}
}
@media (min-width:521px) and (max-width:767px){
.btn{width:auto;}
}
@media (prefers-reduced-motion:reduce){
*{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}