/* ============================================================
特酷信息科技（上海）有限公司 · 官网套一
风格：高级灰 + 阳光橙金 · 商务明媚
============================================================ */
/* ---------- 本地字体（Inter 可变字体；中文走系统字体栈） ---------- */
@font-face{
font-family:"Inter var";
font-weight:100 900;
font-style:normal;
font-display:swap;
src:url("../fonts/inter-variable.woff2") format("woff2");
}
/* ---------- 设计变量 ---------- */
:root{
--white:#ffffff;
--bg:#ffffff;
--bg-soft:#f6f7f9;
--bg-tint:#fbf6ef;
--ink:#1b2432;
--ink-2:#475569;
--ink-3:#7a8699;
--ink-4:#a3adbd;
--line:#e9ecf1;
--line-2:#f0f2f6;
--orange:#ff7a1a;
--orange-2:#ff9a3d;
--gold:#ffb627;
--grad-warm:linear-gradient(120deg,#ff8a3d 0%,#ffb627 100%);
--grad-warm-soft:linear-gradient(120deg,rgba(255,138,61,.12),rgba(255,182,39,.12));
--navy:#141c2b;
--navy-2:#1f2a3d;
--radius:18px;
--radius-sm:12px;
--radius-lg:26px;
--shadow-sm:0 2px 10px rgba(20,28,43,.05);
--shadow:0 14px 40px -12px rgba(20,28,43,.14);
--shadow-lg:0 30px 70px -24px rgba(20,28,43,.22);
--shadow-warm:0 18px 44px -14px rgba(255,122,26,.38);
--font:"Inter var","Inter",-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
--display:"Inter var","Inter","PingFang SC","Microsoft YaHei",sans-serif;
--mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
--maxw:1200px;
--header-h:76px;
}
/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
font-size:16px;line-height:1.75;overflow-x:hidden;
-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.28;color:var(--ink)}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit;font-size:1rem;color:inherit}
:focus-visible{outline:2.5px solid var(--orange);outline-offset:2px;border-radius:4px}
::selection{background:rgba(255,138,61,.25);color:var(--navy)}
body::after{content:"";position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.045;mix-blend-mode:multiply;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
/* ---------- 通用容器 ---------- */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:80px 0;position:relative}
.section.soft{background:var(--bg-soft)}
.section.tint{background:var(--bg-tint)}
.section.dark{background:var(--navy);color:#e8edf6}
.section.dark h1,.section.dark h2,.section.dark h3{color:#fff}
/* soft 后紧跟下一个 section 时压缩留白，避免首页底部"案例→最新文章"间过松 */
.section.soft + .section{padding-top:64px}
/* 标题区 */
.sec-head{max-width:720px;margin-bottom:56px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);
font-size:13px;font-weight:600;color:var(--orange);letter-spacing:.04em;
margin-bottom:16px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--grad-warm);border-radius:2px}
.sec-head.center .eyebrow{justify-content:center}
.sec-title{font-size:clamp(28px,3.4vw,40px);font-weight:800;letter-spacing:-.01em}
.sec-title .hl{
background:var(--grad-warm);-webkit-background-clip:text;background-clip:text;
-webkit-text-fill-color:transparent;color:transparent;
}
.sec-sub{margin-top:16px;color:var(--ink-2);font-size:17px;line-height:1.8}
.section.dark .sec-sub{color:#aebacd}
/* ---------- 按钮 ---------- */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:9px;
padding:14px 28px;border-radius:12px;font-weight:600;font-size:15.5px;
transition:transform .25s cubic-bezier(.22,1,.36,1),box-shadow .25s,background .25s,color .25s;
white-space:nowrap;cursor:pointer;
}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--grad-warm);color:#fff;box-shadow:var(--shadow-warm),inset 0 1px 0 rgba(255,255,255,.35),inset 0 -2px 6px rgba(180,80,0,.18)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 24px 52px -14px rgba(255,122,26,.5),inset 0 1px 0 rgba(255,255,255,.4)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--orange-2);color:var(--orange)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.25)}
.btn-light:hover{background:rgba(255,255,255,.2);transform:translateY(-3px)}
.btn-lg{padding:17px 36px;font-size:16.5px;border-radius:14px}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px}
/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--navy);color:#c7d0e0;font-size:13.5px}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:40px}
.topbar a{display:inline-flex;align-items:center;gap:7px;color:#c7d0e0}
.topbar a:hover{color:var(--gold)}
.topbar .tb-left{display:flex;gap:26px}
.topbar svg{width:14px;height:14px;color:var(--gold)}
@media (max-width:720px){.topbar .tb-left .tb-hide{display:none}.topbar .tb-left{gap:14px}}
/* ---------- 页眉导航 ---------- */
.site-header{
position:sticky;top:0;z-index:100;background:rgba(255,255,255,.82);
backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid transparent;
transition:box-shadow .3s,border-color .3s,background .3s;
}
.site-header.scrolled{box-shadow:0 8px 30px -16px rgba(20,28,43,.2);border-color:var(--line)}
.nav{display:flex;align-items:center;gap:28px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;height:var(--header-h)}
.brand img{width:44px;height:44px;border-radius:11px}
.brand .brand-txt{position:relative;height:44px;line-height:1.15}
.brand .brand-cn{position:absolute;left:0;top:50%;transform:translateY(calc(-50% - 1px));font-weight:800;font-size:17px;letter-spacing:.01em;color:var(--navy);white-space:nowrap}
.brand .brand-en{position:absolute;left:0;bottom:-2px;font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
position:relative;padding:9px 15px;border-radius:9px;font-size:15.5px;font-weight:500;
color:var(--ink-2);
}
.nav-link:hover{color:var(--orange);background:var(--bg-tint)}
.nav-link.active{color:var(--orange);font-weight:600}
.nav-link.active::after{
content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
width:20px;height:2.5px;border-radius:2px;background:var(--grad-warm);
}
.nav-cta{display:flex;align-items:center;gap:12px;flex-shrink:0;margin-left:8px}
.burger{display:none;width:46px;height:46px;align-items:center;justify-content:center;border-radius:11px;margin-left:auto}
.burger span{position:relative;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.burger span::before{top:-7px}.burger span::after{top:7px}
.burger.open span{background:transparent}
.burger.open span::before{top:0;transform:rotate(45deg)}
.burger.open span::after{top:0;transform:rotate(-45deg)}
/* 移动端下拉菜单 */
.mobile-menu{
display:none;position:absolute;top:100%;left:0;right:0;background:#fff;
border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:12px 20px 22px;
flex-direction:column;gap:2px;
}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:13px 14px;border-radius:10px;font-size:16px;color:var(--ink-2);font-weight:500}
.mobile-menu a:hover,.mobile-menu a.active{background:var(--bg-tint);color:var(--orange)}
.mobile-menu .btn{margin-top:10px}
/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,var(--bg-soft) 58%,var(--bg) 100%);padding:56px 0 62px}
/* 背景装饰 */
.hero-decor{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hd-aurora{position:absolute;border-radius:50%;filter:blur(80px)}
.ha-1{width:580px;height:580px;top:-220px;right:-150px;background:radial-gradient(circle,rgba(255,122,26,.17),rgba(255,182,39,.07) 55%,transparent 72%)}
.ha-2{width:440px;height:440px;bottom:-230px;left:6%;background:radial-gradient(circle,rgba(255,182,39,.13),transparent 72%)}
.hd-ring{position:absolute;top:46%;right:-170px;width:560px;height:560px;transform:translateY(-50%);border-radius:50%;border:1px solid rgba(255,122,26,.13);box-shadow:0 0 0 64px rgba(255,122,26,.045),0 0 0 140px rgba(255,182,39,.03)}
.hd-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(20,28,43,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(20,28,43,.045) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:radial-gradient(ellipse 72% 62% at 74% 44%,#000 0%,transparent 76%);mask-image:radial-gradient(ellipse 72% 62% at 74% 44%,#000 0%,transparent 76%)}
/* 左右分栏 */
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:54px;align-items:center;position:relative}
/* 左侧文案 */
.hero-copy{position:relative}
.hero-badge{display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;background:rgba(255,255,255,.85);border:1px solid var(--line);box-shadow:0 2px 10px rgba(20,28,43,.05);font-size:13px;font-weight:500;color:var(--ink-2);margin-bottom:22px;backdrop-filter:blur(6px)}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--orange);animation:badgePulse 2.2s infinite}
@keyframes badgePulse{0%{box-shadow:0 0 0 0 rgba(255,122,26,.45)}70%{box-shadow:0 0 0 8px rgba(255,122,26,0)}100%{box-shadow:0 0 0 0 rgba(255,122,26,0)}}
.hero h1{font-size:clamp(32px,3.6vw,47px);line-height:1.22;font-weight:800;color:var(--ink);letter-spacing:-.5px;margin:0}
.hero h1 .hl{background:var(--grad-warm);-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
.hero-lead{margin:19px 0 0;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:500px}
.hero-lead b{color:var(--ink);font-weight:700}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px}
.hero-trust .ht{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--ink-3);font-weight:500}
.hero-trust .ht svg{width:16px;height:16px;color:var(--orange);flex-shrink:0}
/* 右侧产品预览 */
.dash-stage{position:relative;padding:46px 24px 48px}
.dash{position:relative;transform-style:preserve-3d;will-change:transform}
.dash-window{position:relative;border-radius:16px;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:0 2px 4px rgba(20,28,43,.04),0 26px 50px -14px rgba(20,28,43,.2),0 44px 90px -30px rgba(255,122,26,.22);animation:dashFloat 6s ease-in-out infinite}
@keyframes dashFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.dash-window::before{content:"";position:absolute;inset:0 0 auto 0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.95),transparent);z-index:3;pointer-events:none}
/* 浏览器顶栏 */
.dash-bar{display:flex;align-items:center;gap:12px;padding:10px 14px;background:linear-gradient(180deg,#fafbfc,#f2f4f7);border-bottom:1px solid var(--line)}
.win-dots{display:inline-flex;gap:6px;flex-shrink:0}
.win-dots i{width:10px;height:10px;border-radius:50%;background:#d7dde6}
.win-dots i:first-child{background:#ff5f57}
.win-dots i:nth-child(2){background:#febc2e}
.win-dots i:nth-child(3){background:#28c840}
.win-url{display:inline-flex;align-items:center;gap:7px;flex:1;min-width:0;height:26px;padding:0 12px;border-radius:7px;background:#fff;border:1px solid var(--line-2);font-size:12px;color:var(--ink-3);font-family:var(--mono);font-weight:500;white-space:nowrap;overflow:hidden}
.win-url svg{width:12px;height:12px;color:var(--orange);flex-shrink:0}
.win-live{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;color:var(--ink-2);flex-shrink:0}
.live-dot{width:7px;height:7px;border-radius:50%;background:#22c55e;animation:livePulse 2s infinite}
@keyframes livePulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.45)}70%{box-shadow:0 0 0 7px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
/* 窗口内容 */
.dash-main{padding:15px 17px 13px;background:linear-gradient(180deg,#fff,#fcfcfd)}
.dm-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:13px}
.dm-h h4{margin:0;font-size:15px;font-weight:700;color:var(--ink)}
.dm-h span{display:block;font-size:11px;color:var(--ink-3);margin-top:2px}
.dm-tools{display:inline-flex;align-items:center;gap:8px}
.dm-search,.dm-bell{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:8px;background:#fff;border:1px solid var(--line-2);color:var(--ink-3);position:relative}
.dm-search svg,.dm-bell svg{width:15px;height:15px}
.dm-bell i{position:absolute;top:5px;right:6px;width:6px;height:6px;border-radius:50%;background:var(--orange);border:1.5px solid #fff}
.dm-av{width:30px;height:30px;border-radius:8px;background:var(--grad-warm);color:#fff;font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;font-family:var(--display)}
/* KPI */
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-bottom:13px}
.kpi{background:#fff;border:1px solid var(--line-2);border-radius:10px;padding:10px 11px;transition:.25s;box-shadow:0 1px 2px rgba(20,28,43,.03)}
.kpi:hover{transform:translateY(-2px);box-shadow:0 8px 20px -8px rgba(20,28,43,.15);border-color:rgba(255,122,26,.32)}
.kpi-l{display:block;font-size:10.5px;color:var(--ink-3);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.kpi-v{display:block;font-family:var(--display);font-size:18px;font-weight:700;color:var(--ink);margin:3px 0;letter-spacing:-.3px}
.kpi-t{display:inline-flex;align-items:center;gap:2px;font-size:10.5px;font-weight:600}
.kpi-t svg{width:10px;height:10px}
.kpi-t.up{color:#16a34a}
.kpi-t.down{color:#dc2626}
/* 图表 */
.dm-chart{background:#fff;border:1px solid var(--line-2);border-radius:10px;padding:10px 13px 7px;margin-bottom:11px;box-shadow:0 1px 2px rgba(20,28,43,.03)}
.dm-chart h5{margin:0 0 3px;font-size:12px;font-weight:700;color:var(--ink)}
.mini-chart{width:100%}
.dm-chart .mini-chart{height:120px}
/* 动态列表 */
.dm-feed{background:#fff;border:1px solid var(--line-2);border-radius:10px;padding:10px 13px;box-shadow:0 1px 2px rgba(20,28,43,.03)}
.dm-feed h5{margin:0 0 6px;font-size:12px;font-weight:700;color:var(--ink)}
.feed-li{display:flex;align-items:center;gap:10px;padding:6px 0;border-top:1px dashed var(--line-2)}
.feed-li:first-of-type{border-top:none;padding-top:2px}
.fl-ic{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:var(--bg-tint);color:var(--orange);flex-shrink:0}
.fl-ic svg{width:15px;height:15px}
.fl-main{flex:1;min-width:0}
.fl-main b{display:block;font-size:12.5px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fl-main i{display:block;font-size:10.5px;color:var(--ink-3);font-style:normal;margin-top:1px}
.fl-amt{font-family:var(--display);font-size:12.5px;font-weight:700;color:var(--ink);flex-shrink:0}
/* 状态标签 */
.st{display:inline-block;padding:3px 10px;border-radius:100px;font-size:10.5px;font-weight:600;white-space:nowrap;flex-shrink:0}
.st-ok{background:#e7f8ef;color:#129766}.st-run{background:#eceef2;color:#3a465c}.st-wait{background:#fff1e6;color:#ff7a1a}
/* 浮动卡片 */
.dash-float{position:absolute;z-index:5;display:flex;align-items:center;gap:8px;padding:7px 12px;border-radius:11px;background:rgba(255,255,255,.92);border:1px solid var(--line);box-shadow:0 12px 30px -8px rgba(20,28,43,.2);backdrop-filter:blur(8px);animation:floatBob 4.5s ease-in-out infinite}
.df-tr{top:-44px;right:30px;animation-delay:.4s}
.df-bl{bottom:-44px;left:30px;animation-delay:1.3s}
@keyframes floatBob{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.df-ic{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;flex-shrink:0}
.df-ic svg{width:15px;height:15px}
.ic-tech{background:linear-gradient(135deg,#eef2f7,#e1e7ef);color:var(--navy)}
.ic-warm{background:var(--grad-warm);color:#fff}
.df-txt b{display:block;font-size:12px;font-weight:700;color:var(--ink);line-height:1.3}
.df-txt i{display:block;font-size:10px;color:var(--ink-3);font-style:normal;white-space:nowrap}
/* 响应式 */
@media(max-width:1100px){
.hero-grid{gap:36px}
.df-tr{right:22px}.df-bl{left:22px}
}
@media(max-width:960px){
.hero{padding:44px 0 54px}
.hero-grid{grid-template-columns:1fr;gap:30px}
.hero-copy{text-align:center}
.hero-badge{margin-bottom:18px}
.hero-lead{margin-left:auto;margin-right:auto}
.hero-actions{justify-content:center}
.hero-trust{justify-content:center}
.dash-stage{padding:42px 12px 44px;max-width:560px;margin:0 auto;width:100%}
.df-tr{right:22px;top:-40px}
.df-bl{left:22px;bottom:-40px}
}
@media(max-width:600px){
.hero{padding:34px 0 46px}
.hero h1{font-size:clamp(26px,7.2vw,32px)}
.hero h1 .hl{white-space:normal}
.hero-lead{font-size:14.5px;line-height:1.8}
.hero-actions .btn{width:100%;justify-content:center}
.dash-stage{padding:44px 6px 46px}
.dash-bar{padding:9px 11px;gap:8px}
.win-url{font-size:10.5px}
.win-live{font-size:10.5px}
.dash-main{padding:13px 12px 11px}
.kpi-row{grid-template-columns:repeat(2,1fr);gap:8px}
.kpi-v{font-size:17px}
.dm-chart .mini-chart{height:108px}
.fl-amt{font-size:11.5px}
.dash-float{padding:7px 10px;gap:7px}
.df-txt i{display:none}
}
@media(max-width:400px){
.df-bl{display:none}
}
@media(prefers-reduced-motion:reduce){
.dash-window,.dash-float,.hero-badge .dot,.live-dot{animation:none}
}
/* ---------- 跑马灯 ---------- */
.marquee{background:var(--navy);padding:20px 0;overflow:hidden;position:relative}
.marquee-track{display:flex;gap:0;width:max-content;animation:marquee 32s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.mq-item{display:inline-flex;align-items:center;gap:11px;padding:0 34px;color:#cdd6e6;font-size:16px;font-weight:500;white-space:nowrap}
.mq-item .mq-ic{color:var(--gold);font-family:var(--mono);font-size:15px}
.mq-sep{color:rgba(255,182,39,.4)}
/* ---------- 统计 ---------- */
.stats{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);margin-top:-64px;position:relative;z-index:5}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:42px 30px;text-align:center;border-right:1px solid var(--line-2);transition:background .3s}
.stat:hover{background:var(--bg-tint)}
.stat:last-child{border-right:none}
.stat-num{font-size:clamp(34px,3.6vw,46px);font-weight:800;line-height:1;background:var(--grad-warm);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;font-family:var(--font)}
.stat-num .suf{-webkit-text-fill-color:var(--orange)}
.stat-label{margin-top:12px;color:var(--ink-2);font-size:15px;font-weight:500}
.stats-note{text-align:center;padding:0 0 22px;font-size:12.5px;color:var(--ink-4)}
/* ---------- 业务卡片 ---------- */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{
position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
padding:34px 30px;transition:transform .35s cubic-bezier(.22,1,.36,1),box-shadow .35s,border-color .35s;
overflow:hidden;box-shadow:0 1px 2px rgba(20,28,43,.05),0 14px 34px -22px rgba(20,28,43,.16);
}
.card::after{
content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-warm);
transform:scaleX(0);transform-origin:left;transition:transform .4s ease;
}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::after{transform:scaleX(1)}
.card-ic{
width:56px;height:56px;border-radius:15px;background:var(--grad-warm-soft);
display:flex;align-items:center;justify-content:center;color:var(--orange);margin-bottom:22px;
transition:transform .35s;
}
.card:hover .card-ic{transform:scale(1.08) rotate(-4deg)}
.card-ic svg{width:27px;height:27px}
.card h3{font-size:19.5px;margin-bottom:11px}
.card p{color:var(--ink-2);font-size:14.8px;line-height:1.75}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14px;font-weight:600;color:var(--orange)}
.card .more svg{width:15px;height:15px;transition:transform .25s}
.card:hover .more svg{transform:translateX(4px)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
font-size:12.5px;padding:4px 12px;border-radius:100px;background:var(--bg-soft);
color:var(--ink-2);border:1px solid var(--line-2);font-weight:500;
}
.tag.warm{background:var(--grad-warm-soft);color:var(--orange);border-color:rgba(255,138,61,.2)}
/* 优势卡（编号） */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.adv{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;
transition:.35s;position:relative;
}
.adv:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(255,138,61,.3)}
.adv .num{
font-family:var(--mono);font-size:13px;font-weight:700;color:var(--orange);
display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
}
.adv .num::after{content:"";width:26px;height:1.5px;background:var(--grad-warm);border-radius:2px}
.adv h3{font-size:17.5px;margin-bottom:10px}
.adv p{font-size:14.3px;color:var(--ink-2);line-height:1.72}
/* ---------- 服务流程 ---------- */
.process{position:relative}
.process-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;position:relative}
.process-grid::before{
content:"";position:absolute;top:33px;left:9%;right:9%;height:2px;
background:repeating-linear-gradient(90deg,var(--orange-2) 0 8px,transparent 8px 16px);opacity:.5;
}
.pstep{text-align:center;position:relative}
.pstep .pnode{
width:66px;height:66px;margin:0 auto 18px;border-radius:50%;background:#fff;
border:2px solid var(--orange-2);display:flex;align-items:center;justify-content:center;
font-family:var(--mono);font-weight:700;font-size:18px;color:var(--orange);
position:relative;z-index:2;transition:.35s;box-shadow:var(--shadow-sm);
}
.pstep:hover .pnode{background:var(--grad-warm);color:#fff;border-color:transparent;transform:scale(1.1);box-shadow:var(--shadow-warm)}
.pstep h4{font-size:15px;margin-bottom:5px}
.pstep p{font-size:12.3px;color:var(--ink-3);line-height:1.5}
/* ---------- 时间轴（关于页） ---------- */
.timeline{position:relative;max-width:880px;margin:0 auto}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:var(--line);transform:translateX(-50%)}
.tl-item{position:relative;width:50%;padding:0 44px 44px}
.tl-item:nth-child(odd){left:0;text-align:right}
.tl-item:nth-child(even){left:50%}
.tl-dot{
position:absolute;top:4px;width:18px;height:18px;border-radius:50%;background:#fff;
border:3px solid var(--orange);z-index:2;
}
.tl-item:nth-child(odd) .tl-dot{right:-9px}
.tl-item:nth-child(even) .tl-dot{left:-9px}
.tl-year{font-family:var(--mono);font-weight:700;color:var(--orange);font-size:15px;margin-bottom:6px}
.tl-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 22px;box-shadow:var(--shadow-sm);transition:.3s}
.tl-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.tl-card h4{font-size:16.5px;margin-bottom:6px}
.tl-card p{font-size:13.8px;color:var(--ink-2)}
/* ---------- 方案卡（痛点/方案/价值） ---------- */
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.sol{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
display:flex;flex-direction:column;transition:.35s;
}
.sol:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.sol-top{padding:26px 28px 20px;background:linear-gradient(135deg,#fff7ef,#fffdf9);border-bottom:1px solid var(--line-2);position:relative}
.sol-top .sol-tag{font-family:var(--mono);font-size:11.5px;color:var(--orange);font-weight:600;letter-spacing:.05em}
.sol-top h3{font-size:19px;margin-top:8px}
.sol-body{padding:22px 28px;display:flex;flex-direction:column;gap:14px;flex:1}
.sol-row{display:flex;gap:11px;font-size:13.8px;line-height:1.65}
.sol-row .sr-ic{flex-shrink:0;width:22px;height:22px;border-radius:7px;display:flex;align-items:center;justify-content:center;margin-top:2px}
.sol-row.pain .sr-ic{background:#fdecec;color:#e05656}
.sol-row.plan .sr-ic{background:var(--grad-warm-soft);color:var(--orange)}
.sol-row.val .sr-ic{background:#e9f9f0;color:#18a06a}
.sol-row .sr-txt b{display:block;font-size:12.5px;color:var(--ink-3);font-weight:600;margin-bottom:1px}
.sol-foot{padding:0 28px 26px}
.sol-foot .tag.warm{font-weight:600}
/* ---------- 案例卡 ---------- */
.case-filters{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:44px}
.cf-btn{padding:9px 22px;border-radius:100px;border:1.5px solid var(--line);background:#fff;font-size:14.5px;font-weight:500;color:var(--ink-2);transition:.25s}
.cf-btn:hover{border-color:var(--orange-2);color:var(--orange)}
.cf-btn.active{background:var(--grad-warm);color:#fff;border-color:transparent;box-shadow:var(--shadow-warm)}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.case-card{
border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);
transition:.35s;display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.case-cover{height:150px;background:linear-gradient(135deg,#2a3548,#141c2b);position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}
.case-cover::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:26px 26px}
.case-cover .cc-code{font-family:var(--mono);font-size:13px;color:rgba(255,255,255,.55);letter-spacing:.1em;position:relative}
.case-body{padding:24px 26px;flex:1;display:flex;flex-direction:column}
.case-meta{display:flex;gap:8px;margin-bottom:12px}
.case-meta .tag{font-size:11.5px;padding:3px 10px}
.case-body h3{font-size:17px;margin-bottom:9px;line-height:1.4}
.case-body p{font-size:13.6px;color:var(--ink-2);flex:1}
.case-results{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.cr-pill{font-size:12px;padding:5px 12px;border-radius:8px;background:var(--bg-soft);color:var(--ink-2);font-weight:500}
.cr-pill b{color:var(--orange);font-weight:700}
.case-note{text-align:center;margin-top:36px;font-size:13px;color:var(--ink-3)}
/* ---------- 团队 ---------- */
.team-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.team{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 18px;text-align:center;transition:.35s;
}
.team:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.team .t-avatar{width:72px;height:72px;margin:0 auto 16px;border-radius:50%;background:var(--grad-warm-soft);display:flex;align-items:center;justify-content:center;color:var(--orange)}
.team .t-avatar svg{width:34px;height:34px}
.team h4{font-size:16px}
.team .t-role{font-size:12.5px;color:var(--orange);font-weight:600;margin:4px 0 8px}
.team p{font-size:12.3px;color:var(--ink-3);line-height:1.6}
/* ---------- 图表 ---------- */
.chart-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:36px}
.chart-box{width:100%;height:420px}
.chart-tip{font-size:13px;color:var(--ink-3);margin-top:14px;text-align:center}
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tech-group{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px}
.tech-group h4{display:flex;align-items:center;gap:10px;font-size:16.5px;margin-bottom:18px}
.tech-group h4 .tg-dot{width:9px;height:9px;border-radius:3px;background:var(--grad-warm)}
.tech-tags{display:flex;flex-wrap:wrap;gap:9px}
.tech-tags span{font-family:var(--mono);font-size:13px;padding:6px 14px;border-radius:8px;background:var(--bg-soft);border:1px solid var(--line-2);color:var(--ink-2)}
/* ---------- 合作模式 / 合作单位 ---------- */
.mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mode-card{display:flex;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.mode-card .m-ic{flex-shrink:0;width:58px;height:58px;border-radius:15px;background:var(--grad-warm-soft);color:var(--orange);display:flex;align-items:center;justify-content:center}
.mode-card h3{font-size:18px;margin-bottom:7px}
.mode-card p{font-size:14px;color:var(--ink-2)}
.partner-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:56px}
.pc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;text-align:center;transition:.35s}
.pc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.pc-card .pc-ic{width:62px;height:62px;margin:0 auto 18px;border-radius:17px;background:var(--grad-warm);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-warm)}
.pc-card h3{font-size:18px;margin-bottom:9px}
.pc-card p{font-size:13.8px;color:var(--ink-2)}
.partner-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pw-item{
background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);height:96px;
display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
color:var(--ink-2);font-size:13.5px;font-weight:600;transition:.3s;
}
.pw-item:hover{border-color:var(--orange-2);color:var(--orange);transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.pw-item svg{width:26px;height:26px;color:var(--ink-4);transition:.3s}
.pw-item:hover svg{color:var(--orange)}
.pw-item small{font-weight:400;font-size:11px;color:var(--ink-4)}
/* ---------- 面包屑 ---------- */
.breadcrumb{padding:22px 0 0;font-size:13.5px;color:var(--ink-3)}
.breadcrumb .wrap{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--orange)}
.breadcrumb .sep{color:var(--ink-4)}
.breadcrumb .current{color:var(--ink-2)}
@media(max-width:640px){.breadcrumb{font-size:12.5px;padding:14px 0 0}.breadcrumb .wrap{gap:5px}.breadcrumb a,.breadcrumb .current{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}
/* 内页页头 */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fffdf9,#fff)}
.page-hero::before{
content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(20,28,43,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(20,28,43,.04) 1px,transparent 1px);background-size:48px 48px;
mask-image:radial-gradient(ellipse 70% 80% at 20% 20%,#000,transparent 70%);-webkit-mask-image:radial-gradient(ellipse 70% 80% at 20% 20%,#000,transparent 70%);
}
.page-hero .wrap{position:relative;padding:34px 24px 72px}
.page-hero h1 {font-size:clamp(30px,4vw,26px);font-weight:800;letter-spacing:-.01em}
.page-hero h1 .hl{background:var(--grad-warm);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.page-hero .ph-lead{margin-top:16px;font-size:17px;color:var(--ink-2);}
.ph-code{position:absolute;right:40px;bottom:40px;font-family:var(--mono);font-size:13px;color:var(--ink-4);border:1px solid var(--line);background:#fff;padding:9px 16px;border-radius:10px;box-shadow:var(--shadow-sm)}
/* ---------- 联系页 ---------- */
.contact-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
.contact-cards{display:flex;flex-direction:column;gap:18px}
.contact-card{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;transition:.3s}
.contact-card:hover{box-shadow:var(--shadow);transform:translateX(5px);border-color:rgba(255,138,61,.3)}
.contact-card .cc-ic{flex-shrink:0;width:50px;height:50px;border-radius:13px;background:var(--grad-warm-soft);color:var(--orange);display:flex;align-items:center;justify-content:center}
.contact-card h4{font-size:14px;color:var(--ink-3);font-weight:500}
.contact-card .cc-val{font-size:17px;font-weight:700;color:var(--ink);margin-top:2px}
.contact-card .cc-val.ex{font-size:15px}
.contact-card small{display:block;font-size:12.5px;color:var(--ink-4);margin-top:2px}
/* 表单 */
.form-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:38px}
.form-panel h3{font-size:22px;margin-bottom:6px}
.form-panel .fp-sub{font-size:14px;color:var(--ink-3);margin-bottom:26px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.field label .req{color:var(--orange)}
.field input,.field select,.field textarea{
padding:12.5px 15px;border:1.5px solid var(--line);border-radius:11px;background:var(--bg-soft);
transition:border-color .2s,background .2s,box-shadow .2s;font-size:15px;width:100%;
}
.field textarea{resize:vertical;min-height:110px;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--orange-2);background:#fff;box-shadow:0 0 0 4px rgba(255,138,61,.12)}
.field input.err,.field textarea.err,.field select.err{border-color:#e05656;background:#fef6f6}
.field .err-msg{font-size:12px;color:#e05656;display:none}
.field.has-err .err-msg{display:block}
.form-panel .btn{width:100%;margin-top:26px}
.form-note{text-align:center;font-size:12.5px;color:var(--ink-4);margin-top:14px}
/* ---------- 联系表单：蜜罐 + 验证码 ---------- */
/* 蜜罐：人类不可见，屏幕阅读器与键盘 tab 跳过，机器人会写入 */
.hp-field{position:absolute !important;left:-10000px !important;top:auto !important;width:1px !important;height:1px !important;overflow:hidden !important;opacity:0 !important;pointer-events:none !important}
.captcha-field{grid-column:1/-1}
.captcha-row{display:flex;gap:10px;align-items:stretch;flex-wrap:wrap}
.captcha-row input[type="text"]{flex:1 1 160px;min-width:140px;letter-spacing:2px;text-transform:uppercase}
.captcha-img{
flex:0 0 auto;height:46px;min-width:128px;display:inline-flex;align-items:center;justify-content:center;
border:1.5px solid var(--line);border-radius:11px;background:#fff;cursor:pointer;padding:0 10px;
transition:border-color .2s,box-shadow .2s;font-family:inherit;
}
.captcha-img:hover,.captcha-img:focus-visible{border-color:var(--orange-2);box-shadow:0 0 0 4px rgba(255,138,61,.12);outline:none}
.captcha-img svg{display:block;height:38px;width:auto;max-width:120px}
.captcha-img.loading{opacity:.65;cursor:wait}
.captcha-loading{font-size:12px;color:var(--ink-3)}
.captcha-refresh{
flex:0 0 auto;height:46px;padding:0 14px;border:1.5px solid var(--line);border-radius:11px;
background:var(--bg-soft);color:var(--ink-2);font-size:13px;cursor:pointer;transition:.2s;font-family:inherit;
}
.captcha-refresh:hover,.captcha-refresh:focus-visible{border-color:var(--orange-2);color:var(--orange-2);outline:none}
/* 提交按钮 loading 状态 */
.btn-primary.is-loading,.btn.is-loading{position:relative;color:transparent !important;pointer-events:none}
.btn-primary.is-loading::after,.btn.is-loading::after{
content:"";position:absolute;left:50%;top:50%;width:18px;height:18px;margin:-9px 0 0 -9px;
border:2px solid rgba(255,255,255,.55);border-top-color:#fff;border-radius:50%;animation:cf-spin .8s linear infinite;
}
@keyframes cf-spin{to{transform:rotate(360deg)}}
/* 响应式：窄屏把验证码换行 */
@media (max-width: 520px){
.form-grid{grid-template-columns:1fr}
.captcha-row{flex-direction:column}
.captcha-img,.captcha-refresh{width:100%}
}
/* ---------- 提交成功反馈区 ---------- */
/* 整块替换表单，让"提交成功"不会被错过的视觉确认 */
.form-success{
display:flex;flex-direction:column;align-items:center;text-align:center;
padding:48px 24px;background:linear-gradient(180deg, #f3fbf6 0%, #ffffff 100%);
border:1.5px solid rgba(60, 188, 110, 0.25);border-radius:var(--radius);
animation:fs-in .5s cubic-bezier(.2,.8,.3,1.2);
}
.form-success .fs-ic{
width:72px;height:72px;border-radius:50%;
background:linear-gradient(135deg, #4cc574, #2ea35a);
display:flex;align-items:center;justify-content:center;
box-shadow:0 8px 24px rgba(76,197,116,.35);
margin-bottom:20px;
}
.form-success .fs-ic svg{width:36px;height:36px;color:#fff;stroke-width:2.6}
.form-success h4{font-size:22px;font-weight:700;color:var(--ink);margin-bottom:12px;letter-spacing:.5px}
.form-success p{font-size:14.5px;color:var(--ink-2);line-height:1.85;max-width:380px;margin-bottom:24px}
.form-success p a{color:var(--orange-2);font-weight:600;text-decoration:none}
.form-success p a:hover{text-decoration:underline}
.form-success .btn-ghost{
width:auto;padding:10px 24px;background:transparent;color:var(--orange-2);
border:1.5px solid var(--orange-2);border-radius:11px;font-size:14px;font-weight:600;
cursor:pointer;transition:.2s;font-family:inherit;
}
.form-success .btn-ghost:hover{background:var(--orange-2);color:#fff}
@keyframes fs-in{from{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}
/* 字段级错误提示文本（.err-msg 已有 display:none 占位，这里只确保样式整洁） */
.field .err-msg{font-size:12.5px;color:#e05656;margin-top:2px}
/* ---------- FAQ ---------- */
.faq{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;transition:.3s}
.faq-item.open{box-shadow:var(--shadow-sm);border-color:rgba(255,138,61,.3)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:21px 26px;text-align:left;font-size:16px;font-weight:600;color:var(--ink)}
.faq-q .fq-ic{flex-shrink:0;width:24px;height:24px;position:relative}
.faq-q .fq-ic::before,.faq-q .fq-ic::after{content:"";position:absolute;background:var(--orange);border-radius:2px;transition:.3s}
.faq-q .fq-ic::before{top:11px;left:3px;width:18px;height:2px}
.faq-q .fq-ic::after{top:3px;left:11px;width:2px;height:18px}
.faq-item.open .fq-ic::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a p{padding:0 26px 22px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
/* ---------- CTA 横幅 ---------- */
.cta-band{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:linear-gradient(120deg,#1b2432,#2a3548);padding:64px 60px;text-align:center;color:#fff}
.cta-band::before{
content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:40px 40px;
}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(340px 340px at 93% -22%,rgba(255,138,61,.42),transparent 65%),radial-gradient(300px 300px at 5% 120%,rgba(120,150,190,.3),transparent 66%)}
.cta-band h2{position:relative;color:#fff;font-size:clamp(24px,3vw,34px);font-weight:800}
.cta-band p{position:relative;margin:14px auto 30px;max-width:560px;color:#b9c4d6;font-size:16px}
.cta-band .cta-actions{position:relative;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--navy);color:#9fabc0;padding:70px 0 0;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-warm)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px}
.footer-brand .f-logo{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.footer-brand .f-logo img{width:48px;height:48px;border-radius:11px;background:#fff;padding:3px}
.footer-brand .f-name{color:#fff;font-weight:800;font-size:16px}
.footer-brand .f-en{font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;color:#7686a0;text-transform:uppercase}
.footer-brand p{font-size:13.5px;line-height:1.8;color:#8b98ad;max-width:320px}
.footer-col h4{color:#eef2f8;font-size:15px;margin-bottom:20px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:13.8px;color:#93a0b5}
.footer-col a:hover{color:var(--gold)}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:#93a0b5;line-height:1.6}
.footer-contact svg{width:15px;height:15px;color:var(--gold);flex-shrink:0;margin-top:3px}
.footer-contact .ex{color:#7686a0}
.footer-keywords{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;font-size:12.3px;color:#6c7a92;line-height:1.9}
.footer-keywords b{color:#93a0b5;font-weight:600}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.8px;color:#73819a}
.footer-bottom .fb-links{display:flex;gap:20px}
.footer-bottom a:hover{color:var(--gold)}
/* 页脚友情链接（v3 第六批 + 2026-09-28 设计重制）：
行业标准做法——单行中文标题 + 渐变分割线 + 圆角卡片网格 + hover 抬升 + 金色描边联动
全部规则限定在 .footer-friends 命名空间内，不影响上方 footer-grid / footer-bottom */
/* v3 R7：logo 与文字同卡渲染（行业标准友链卡片）
- 正常情况：渲染 ![]()
；img onerror 后 .is-failed → 用 ::before 把 data-letter 显示出来
- 没有 logoUrl：直接显示纯文字 logo（letter 占位）
- logo 与文字都在