/* ===== 英纳威投资集团官网 · 共享样式 ===== */
:root{
  --ink:#23272E; --ink2:#4a515b; --mut:#8A9199;
  --red:#C8102E; --red-d:#a50d26;
  --bg:#ffffff; --soft:#F5F4F2; --line:#E8E6E1;
  --ease:cubic-bezier(.625,.05,0,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;font-weight:300;line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:1200px;margin:0 auto;padding:0 40px}
@media(max-width:760px){.wrap{padding:0 22px}}

/* ================= 导航 ================= */
.nav{position:fixed;inset:0 0 auto;z-index:200;transition:transform .6s var(--ease),background .45s,box-shadow .45s}
.nav::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(200,16,46,0) 30%,transparent);transition:background .5s}
.nav.scrolled{background:rgba(255,255,255,.88);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);box-shadow:0 1px 0 var(--line)}
.nav.scrolled::after{background:linear-gradient(90deg,transparent 20%,rgba(200,16,46,.55) 50%,transparent 80%)}
.nav.hide{transform:translateY(-100%)}
.nav-in{display:flex;align-items:center;height:78px;position:relative}
.logo{display:flex;align-items:center;gap:13px;flex:none}
.logo img{height:37px;width:auto}
.logo .lw{display:inline}.logo .ld{display:none}
.nav.scrolled .logo .lw,.nav.on-light .logo .lw{display:none}
.nav.scrolled .logo .ld,.nav.on-light .logo .ld{display:inline}
.logo .brand-txt{display:flex;flex-direction:column;line-height:1.3}
.logo .brand-txt b{font-size:15px;font-weight:600;letter-spacing:.22em;color:#fff;transition:color .4s}
.logo .brand-txt small{font-size:9.5px;letter-spacing:.24em;color:rgba(255,255,255,.55);transition:color .4s}
.nav.scrolled .brand-txt b,.nav.on-light .brand-txt b{color:var(--ink)}
.nav.scrolled .brand-txt small,.nav.on-light .brand-txt small{color:var(--mut)}

.nav-links{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav-links>li{position:relative;list-style:none}
.nav-links>li>a{display:flex;align-items:center;gap:6px;padding:10px 17px;font-size:14px;font-weight:400;color:#fff;position:relative;transition:color .35s}
.nav.scrolled .nav-links>li>a,.nav.on-light .nav-links>li>a{color:var(--ink)}
.nav-links>li>a::before{content:"";position:absolute;left:17px;right:17px;bottom:4px;height:2px;background:var(--red);transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease)}
.nav-links>li>a:hover::before,.nav-links>li.on>a::before{transform:scaleX(1);transform-origin:left}
.nav-links .caret{width:7px;height:7px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .4s var(--ease);opacity:.7}
.nav-links li:hover .caret{transform:rotate(225deg) translate(-1px,-1px)}

/* 下拉面板 */
.drop{position:absolute;top:calc(100% + 14px);left:50%;transform:translate(-50%,10px);min-width:236px;background:#fff;border-radius:6px;box-shadow:0 24px 60px -18px rgba(20,24,30,.28),0 0 0 1px rgba(20,24,30,.05);padding:10px;opacity:0;visibility:hidden;transition:.4s var(--ease)}
.drop::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;border-radius:6px 6px 0 0;background:linear-gradient(90deg,var(--red),#e4536b)}
.drop::after{content:"";position:absolute;top:-14px;left:0;right:0;height:14px}
.nav-links li:hover .drop,.nav-links li:focus-within .drop{opacity:1;visibility:visible;transform:translate(-50%,0)}
.drop a{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 16px;border-radius:4px;transition:background .3s}
.drop a+a{border-top:1px solid var(--line)}
.drop a:hover{background:var(--soft)}
.drop .dt b{display:block;font-size:14px;font-weight:600;color:var(--ink)}
.drop .dt small{display:block;font-size:10.5px;letter-spacing:.18em;color:var(--mut);margin-top:4px;text-transform:uppercase}
.drop .da{color:var(--red);font-size:17px;opacity:0;transform:translateX(-8px);transition:.35s var(--ease)}
.drop a:hover .da{opacity:1;transform:none}

.lang{margin-left:26px;display:flex;border:1px solid rgba(255,255,255,.4);border-radius:30px;overflow:hidden;font-size:12px;letter-spacing:.1em;transition:border-color .4s}
.nav.scrolled .lang,.nav.on-light .lang{border-color:#d4d7dc}
.lang a{padding:8px 15px;color:#fff;transition:.3s}
.nav.scrolled .lang a,.nav.on-light .lang a{color:var(--ink2)}
.lang a.cur{background:var(--red);color:#fff;font-weight:600}
.nav-cta{display:none}

/* 汉堡 */
.burger{display:none;margin-left:auto;width:44px;height:44px;position:relative;z-index:210;cursor:pointer}
.burger i{position:absolute;left:11px;right:11px;height:2px;background:#fff;transition:.45s var(--ease)}
.nav.scrolled .burger i,.nav.on-light .burger i,.nav.menu-open .burger i{background:var(--ink)}
.burger i:nth-child(1){top:17px}.burger i:nth-child(2){top:26px}
.nav.menu-open .burger i:nth-child(1){top:21px;transform:rotate(45deg)}
.nav.menu-open .burger i:nth-child(2){top:21px;transform:rotate(-45deg)}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:190;background:rgba(255,255,255,.98);backdrop-filter:blur(20px);padding:120px 34px 40px;transform:translateY(-102%);transition:transform .6s var(--ease);overflow:auto}
.nav.menu-open~.drawer{transform:none}
.drawer a.dlink{display:block;font-size:24px;font-weight:600;padding:18px 0;border-bottom:1px solid var(--line);color:var(--ink)}
.drawer .dsub{overflow:hidden;max-height:0;transition:max-height .5s var(--ease)}
.drawer .dsub.open{max-height:200px}
.drawer .dsub a{display:block;font-size:16px;color:var(--ink2);padding:13px 0 13px 20px;border-bottom:1px solid var(--line)}
.drawer .dsub a small{color:var(--mut);font-size:11px;letter-spacing:.15em;margin-left:10px}
.drawer .dfoot{margin-top:34px;font-size:13px;color:var(--mut);line-height:2}
.drawer .dlang{display:flex;gap:10px;margin-top:24px}
.drawer .dlang a{border:1px solid var(--line);padding:9px 22px;border-radius:26px;font-size:13px}
.drawer .dlang a.cur{background:var(--red);border-color:var(--red);color:#fff}
@media(max-width:960px){
  .nav-links,.lang{display:none}
  .burger{display:block}
}

/* ================= 首页 Hero 轮播 ================= */
.hero{position:relative;height:100vh;min-height:640px;display:flex;align-items:flex-end;overflow:hidden;color:#fff}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1.4s ease;pointer-events:none}
.slide.on{opacity:1;pointer-events:auto}
.slide .bg{position:absolute;inset:-6%;background-size:cover;background-position:center;animation:kenburns 9s ease-out forwards}
.slide.on .bg{animation:kenburns 9s ease-out forwards}
@keyframes kenburns{from{transform:scale(1.07)}to{transform:scale(1)}}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,24,32,.34) 0%,rgba(18,24,32,.06) 42%,rgba(18,24,32,.6) 100%);z-index:1}
.hero-in{position:relative;z-index:2;width:100%;padding-bottom:130px}
.hero .kicker{font-size:12px;letter-spacing:.4em;text-transform:uppercase;color:rgba(255,255,255,.8);margin-bottom:26px;display:flex;align-items:center;gap:16px}
.hero .kicker::before{content:"";width:56px;height:2px;background:var(--red)}
.hero h1{font-size:clamp(40px,6.4vw,84px);font-weight:700;line-height:1.12;letter-spacing:.02em;text-shadow:0 2px 30px rgba(0,0,0,.25)}
.hero h1 .dot{color:var(--red)}
.hero p{margin-top:24px;max-width:540px;font-size:16.5px;color:rgba(255,255,255,.9)}
.slide .hero-in{position:absolute;left:0;right:0;bottom:0;z-index:2}
.slide .hero-in .kicker,.slide .hero-in h1,.slide .hero-in p{opacity:0;transform:translateY(30px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.slide.on .hero-in .kicker{opacity:1;transform:none;transition-delay:.35s}
.slide.on .hero-in h1{opacity:1;transform:none;transition-delay:.5s}
.slide.on .hero-in p{opacity:1;transform:none;transition-delay:.68s}
.hero-dots{position:absolute;z-index:3;left:50%;transform:translateX(-50%);bottom:44px;display:flex;gap:12px}
.hero-dots button{width:44px;height:3px;border:0;background:rgba(255,255,255,.32);cursor:pointer;position:relative;overflow:hidden}
.hero-dots button.on::after{content:"";position:absolute;inset:0;background:var(--red);transform-origin:left;animation:dotfill 6.5s linear forwards}
@keyframes dotfill{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.scroll-hint{position:absolute;right:44px;bottom:44px;z-index:3;display:flex;flex-direction:column;align-items:center;gap:12px;color:rgba(255,255,255,.75);font-size:11px;letter-spacing:.3em;writing-mode:vertical-rl}
.scroll-hint::after{content:"";width:1px;height:56px;background:linear-gradient(180deg,var(--red),transparent);animation:drip 2s infinite}
@keyframes drip{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
@media(max-width:760px){.scroll-hint{display:none}.hero-in{padding-bottom:150px}}

/* ================= 内页页首 ================= */
.page-hero{position:relative;min-height:460px;display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:var(--ink)}
.page-hero .ph-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(24,28,35,.5),rgba(24,28,35,.82))}
.page-hero .wrap{position:relative;z-index:2;padding-top:170px;padding-bottom:64px;width:100%}
.crumb{font-size:12px;letter-spacing:.22em;color:rgba(255,255,255,.6);margin-bottom:20px;display:flex;align-items:center;gap:10px}
.crumb a:hover{color:#fff}
.crumb i{font-style:normal;color:var(--red)}
.page-hero h1{font-size:clamp(32px,4.4vw,56px);font-weight:700;letter-spacing:.02em;line-height:1.25}
.page-hero .en-sub{margin-top:14px;font-size:12.5px;letter-spacing:.34em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.page-hero .lead{margin-top:22px;max-width:640px;font-size:15.5px;color:rgba(255,255,255,.82)}

/* ================= 通用区块 ================= */
section{padding:130px 0}
@media(max-width:760px){section{padding:84px 0}}
.sec-head{margin-bottom:68px}
.sec-no{font-size:12px;letter-spacing:.35em;color:var(--mut);text-transform:uppercase;display:flex;align-items:center;gap:14px;margin-bottom:22px}
.sec-no::before{content:"";width:34px;height:2px;background:var(--red)}
.sec-head h2{font-size:clamp(28px,3.4vw,44px);font-weight:700;line-height:1.25;letter-spacing:.01em;max-width:760px}
.sec-head .lead{margin-top:20px;max-width:680px;color:var(--ink2);font-size:16.5px}
.reveal{opacity:0;transform:translateY(36px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.soft{background:var(--soft)}

/* 简介 */
.about-statement{font-size:clamp(20px,2.3vw,29px);font-weight:400;line-height:1.78;max-width:880px}
.about-statement strong{font-weight:700}
.more-link{display:inline-flex;align-items:center;gap:10px;margin-top:44px;font-size:14px;font-weight:600;letter-spacing:.08em;color:var(--ink);border-bottom:2px solid var(--red);padding-bottom:8px;transition:gap .3s var(--ease)}
.more-link:hover{gap:18px}

/* 双卡片 */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:32px}
@media(max-width:900px){.duo{grid-template-columns:1fr}}
.duo-card{background:#fff;border-top:3px solid var(--ink);transition:border-color .4s,transform .5s var(--ease);display:block}
.soft .duo-card{background:#fff}
.duo-card:hover{border-color:var(--red);transform:translateY(-4px)}
.duo-card .pic{aspect-ratio:16/8.4;overflow:hidden}
.duo-card .pic img{width:100%;height:100%;object-fit:cover;filter:grayscale(30%) contrast(1.02);transition:transform 1.1s var(--ease),filter .6s}
.duo-card:hover .pic img{transform:scale(1.045);filter:grayscale(0%)}
.duo-card .body{padding:38px 38px 42px}
.duo-card .en{font-size:11px;letter-spacing:.3em;color:var(--mut);text-transform:uppercase}
.duo-card h3{font-size:26px;font-weight:700;margin:10px 0 16px}
.duo-card .body>p{font-size:14.5px;color:var(--ink2)}
.svc{margin-top:26px;border-top:1px solid var(--line)}
.svc a{display:flex;align-items:center;justify-content:space-between;padding:16px 2px;border-bottom:1px solid var(--line);font-size:15px;font-weight:400;transition:padding .35s var(--ease),color .3s}
.svc a small{color:var(--mut);font-size:12px;letter-spacing:.1em}
.svc a::after{content:"→";color:var(--red);opacity:0;transform:translateX(-8px);transition:.35s var(--ease)}
.svc a:hover{color:var(--red);padding-left:8px}
.svc a:hover::after{opacity:1;transform:none}

/* AI 区块 */
.ai{background:var(--ink);color:#fff}
.ai .sec-no{color:rgba(255,255,255,.5)}
.ai .sec-head h2{color:#fff}
.ai .sec-head .lead{color:rgba(255,255,255,.65)}
.ai-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
@media(max-width:960px){.ai-grid{grid-template-columns:1fr}}
.ai-viz{position:relative;overflow:hidden}
.ai-viz img{width:100%;height:100%;object-fit:cover;opacity:.94}
.ai-viz::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
.ai-item{padding:30px 0;border-bottom:1px solid rgba(255,255,255,.14)}
.ai-item:first-child{padding-top:0}
.ai-item h4{font-size:21px;font-weight:600;display:flex;align-items:center;gap:12px}
.ai-item h4::before{content:"";width:8px;height:8px;background:var(--red)}
.ai-item p{margin-top:12px;font-size:14.5px;color:rgba(255,255,255,.62);max-width:520px}
.ai-item .tags{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}
.ai-item .tags span{font-size:11.5px;letter-spacing:.08em;color:rgba(255,255,255,.75);border:1px solid rgba(255,255,255,.25);padding:5px 12px;border-radius:20px}

/* 新闻卡 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
@media(max-width:960px){.news-grid{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .5s var(--ease),box-shadow .5s}
.card:hover{transform:translateY(-6px);box-shadow:0 28px 50px -28px rgba(35,39,46,.28)}
.card .pic{aspect-ratio:16/9;overflow:hidden}
.card .pic img{width:100%;height:100%;object-fit:cover;filter:grayscale(25%);transition:transform 1s var(--ease)}
.card:hover .pic img{transform:scale(1.05)}
.card .body{padding:26px 26px 30px;display:flex;flex-direction:column;flex:1}
.card .meta{font-size:11.5px;letter-spacing:.18em;color:var(--red);text-transform:uppercase;font-weight:600;display:flex;justify-content:space-between}
.card .meta time{color:var(--mut);font-weight:400;letter-spacing:.05em}
.card h4{font-size:17.5px;font-weight:600;line-height:1.6;margin:14px 0 10px}
.card .body>p{font-size:13.5px;color:var(--ink2);flex:1}
.card .more{margin-top:20px;font-size:13px;font-weight:600;color:var(--ink);letter-spacing:.06em}
.card .more::after{content:" →";color:var(--red)}

/* ================= 内页内容组件 ================= */
.prose{max-width:820px}
.prose p{font-size:15.5px;color:var(--ink2);margin-bottom:22px;line-height:1.95}
.prose p b{color:var(--ink);font-weight:600}
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
@media(max-width:960px){.split{grid-template-columns:1fr;gap:44px}}
.split .pic{overflow:hidden}
.split .pic img{width:100%;height:100%;object-fit:cover}
.feat3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:64px}
@media(max-width:900px){.feat3{grid-template-columns:1fr}}
.feat3 .f{border-top:2px solid var(--ink);padding-top:26px;transition:border-color .4s}
.feat3 .f:hover{border-color:var(--red)}
.feat3 .f b{font-size:19px;font-weight:700;display:block}
.feat3 .f small{display:block;font-size:10.5px;letter-spacing:.24em;color:var(--mut);text-transform:uppercase;margin:8px 0 14px}
.feat3 .f p{font-size:14px;color:var(--ink2)}

/* 时间线 */
.timeline{border-left:2px solid var(--line);margin-top:20px}
.tl-item{position:relative;padding:0 0 46px 44px}
.tl-item::before{content:"";position:absolute;left:-7px;top:8px;width:12px;height:12px;background:#fff;border:3px solid var(--red);border-radius:50%}
.tl-item .yr{font-size:22px;font-weight:700;letter-spacing:.04em}
.tl-item b{display:block;font-size:16.5px;font-weight:600;margin:8px 0 8px}
.tl-item p{font-size:14px;color:var(--ink2);max-width:560px}

/* 步骤条 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:56px}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}}
.step{background:#fff;padding:34px 28px}
.step .no{font-size:13px;font-weight:700;color:var(--red);letter-spacing:.14em}
.step b{display:block;font-size:17.5px;font-weight:700;margin:12px 0 10px}
.step p{font-size:13px;color:var(--ink2);line-height:1.85}

/* 新闻列表页 */
.news-list{border-top:2px solid var(--ink)}
.news-row{display:grid;grid-template-columns:130px 120px 1fr auto;gap:32px;align-items:center;padding:28px 6px;border-bottom:1px solid var(--line);transition:background .3s,padding .35s var(--ease)}
.news-row:hover{background:var(--soft);padding-left:16px}
.news-row time{font-size:13.5px;color:var(--mut);letter-spacing:.05em}
.news-row .cat{font-size:11px;letter-spacing:.16em;color:var(--red);border:1px solid rgba(200,16,46,.35);padding:5px 0;text-align:center}
.news-row h4{font-size:17.5px;font-weight:600;line-height:1.6}
.news-row .go{color:var(--red);font-size:19px;transition:transform .4s var(--ease)}
.news-row:hover .go{transform:translateX(6px)}
@media(max-width:860px){.news-row{grid-template-columns:1fr auto;gap:10px}.news-row time,.news-row .cat{display:none}}

/* 文章页 */
.article{max-width:780px;margin:0 auto}
.article h1{font-size:clamp(26px,3.2vw,40px);font-weight:700;line-height:1.45}
.article .a-meta{margin:22px 0 44px;padding-bottom:24px;border-bottom:1px solid var(--line);font-size:13px;color:var(--mut);display:flex;gap:22px;letter-spacing:.06em}
.article .a-meta span{color:var(--red)}
.article p{font-size:16px;line-height:2.05;color:var(--ink2);margin-bottom:26px}
.article .lead-p{font-size:18.5px;color:var(--ink);font-weight:400;border-left:3px solid var(--red);padding-left:22px;line-height:1.9}

/* 职位 */
.job{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px 4px;border-bottom:1px solid var(--line);transition:padding .35s var(--ease)}
.job:hover{padding-left:14px}
.job b{font-size:17.5px;font-weight:600;display:block}
.job small{display:block;font-size:12.5px;color:var(--mut);margin-top:6px;letter-spacing:.08em}
.job .apply{flex:none;font-size:13px;font-weight:600;color:var(--red);border:1px solid rgba(200,16,46,.4);padding:9px 22px;border-radius:26px;transition:.3s}
.job .apply:hover{background:var(--red);color:#fff}

/* 智库页 */
.think-quote{border-left:3px solid var(--red);padding:6px 0 6px 26px;font-size:clamp(20px,2.2vw,27px);font-weight:600;letter-spacing:.06em;line-height:1.7}
.think-quote small{display:block;font-size:12px;font-weight:300;color:var(--mut);letter-spacing:.3em;margin-top:10px}
.dir-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:60px}
@media(max-width:960px){.dir-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.dir-grid{grid-template-columns:1fr}}
.dir-g{border-top:2px solid var(--ink);padding-top:24px;transition:border-color .4s}
.dir-g:hover{border-color:var(--red)}
.dir-g .gi{font-size:13px;font-weight:700;color:var(--red);letter-spacing:.14em}
.dir-g b{display:block;font-size:17px;font-weight:700;margin:12px 0 10px}
.dir-g p{font-size:13px;color:var(--ink2);line-height:1.9}
.pill-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.pill-row span{font-size:13px;color:var(--ink2);background:var(--soft);border:1px solid var(--line);padding:9px 18px;border-radius:24px;letter-spacing:.04em;transition:.3s}
.pill-row span:hover{border-color:var(--red);color:var(--red)}

/* ================= 页脚 ================= */
footer{background:#1d2127;color:rgba(255,255,255,.72);padding:96px 0 0;position:relative;overflow:hidden}
.ft-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:56px;padding-bottom:72px;position:relative;z-index:2}
@media(max-width:960px){.ft-top{grid-template-columns:1fr 1fr;gap:44px}}
@media(max-width:600px){.ft-top{grid-template-columns:1fr}}
.ft-brand img{width:min(330px,100%);height:auto}
.ft-brand .slogan{margin-top:26px;font-size:15px;font-weight:400;color:#fff;letter-spacing:.3em}
.ft-brand .addr{margin-top:18px;font-size:12.5px;line-height:2.2;color:rgba(255,255,255,.5)}
.ft-col h5{font-size:11.5px;letter-spacing:.34em;color:rgba(255,255,255,.42);margin-bottom:24px;text-transform:uppercase;font-weight:400}
.ft-col a{display:block;font-size:13.5px;padding:7px 0;color:rgba(255,255,255,.7);transition:color .3s,padding .3s var(--ease)}
.ft-col a:hover{color:#fff;padding-left:8px}
.ft-qr-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:20px;display:flex;gap:18px;align-items:center;transition:border-color .4s,background .4s}
.ft-qr-card:hover{border-color:rgba(255,255,255,.22);background:rgba(255,255,255,.07)}
.ft-qr-card .qrbox{background:#fff;padding:7px;border-radius:6px;width:96px;flex:none}
.ft-qr-card .qrbox img{width:100%;border-radius:2px}
.ft-qr-card p{font-size:12.5px;line-height:2;color:rgba(255,255,255,.62)}
.ft-qr-card p b{color:#fff;font-size:13.5px;font-weight:600;letter-spacing:.06em}
.ft-contact{margin-top:22px;font-size:13px;line-height:2.2}
.ft-contact a{color:rgba(255,255,255,.7)}
.ft-contact a:hover{color:#fff}
.ft-bar{border-top:1px solid rgba(255,255,255,.09);padding:26px 0;font-size:12px;color:rgba(255,255,255,.38);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;position:relative;z-index:2;letter-spacing:.04em}
.ft-bar .fl{display:flex;gap:26px;flex-wrap:wrap}
.ft-bar a:hover{color:rgba(255,255,255,.8)}

/* ================= 后台演示 ================= */
.admin-body{background:#10141b;min-height:100vh;display:grid;place-items:center;padding:40px 20px;font-family:"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif}
.login-card{width:400px;max-width:100%;background:#171c25;border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:48px 44px;color:#fff;box-shadow:0 40px 80px -30px rgba(0,0,0,.6)}
.login-card img{height:40px;margin-bottom:34px}
.login-card h1{font-size:20px;font-weight:600;letter-spacing:.06em}
.login-card .sub{font-size:12px;color:rgba(255,255,255,.4);margin:10px 0 32px;letter-spacing:.08em}
.login-card label{display:block;font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.5);margin:20px 0 8px}
.login-card input{width:100%;background:#10141b;border:1px solid rgba(255,255,255,.12);border-radius:6px;padding:13px 16px;color:#fff;font-size:14px;outline:none;transition:border-color .3s}
.login-card input:focus{border-color:var(--red)}
.login-card .btn{width:100%;margin-top:32px;background:var(--red);color:#fff;border:0;border-radius:6px;padding:14px;font-size:14.5px;font-weight:600;letter-spacing:.2em;cursor:pointer;transition:background .3s}
.login-card .btn:hover{background:var(--red-d)}
.login-card .note{margin-top:26px;font-size:11px;color:rgba(255,255,255,.32);line-height:1.9;text-align:center}
.dash{display:grid;grid-template-columns:230px 1fr;min-height:100vh;background:#f2f3f5;font-family:"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif}
.dash-side{background:#171c25;color:rgba(255,255,255,.7);padding:28px 0}
.dash-side .ds-logo{padding:0 24px 26px;border-bottom:1px solid rgba(255,255,255,.08)}
.dash-side .ds-logo img{height:30px}
.dash-side a{display:block;padding:13px 24px;font-size:13.5px;transition:.25s;border-left:3px solid transparent}
.dash-side a:hover,.dash-side a.cur{background:rgba(255,255,255,.06);color:#fff;border-left-color:var(--red)}
.dash-side .ds-cap{padding:22px 24px 8px;font-size:10.5px;letter-spacing:.24em;color:rgba(255,255,255,.32)}
.dash-main{padding:36px 44px}
.dash-main h2{font-size:20px;font-weight:700;color:var(--ink)}
.dash-main .dm-sub{font-size:12.5px;color:var(--mut);margin:8px 0 30px}
.dash-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:34px}
.dash-cards .dc{background:#fff;border:1px solid var(--line);border-radius:8px;padding:20px}
.dash-cards .dc b{font-size:24px;font-weight:700;color:var(--ink)}
.dash-cards .dc span{display:block;font-size:12px;color:var(--mut);margin-top:6px}
.dash-table{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.dash-table table{width:100%;border-collapse:collapse;font-size:13px}
.dash-table th{background:#fafafa;text-align:left;padding:13px 18px;color:var(--mut);font-weight:500;font-size:12px;letter-spacing:.06em;border-bottom:1px solid var(--line)}
.dash-table td{padding:14px 18px;border-bottom:1px solid #f0f0f0;color:var(--ink2)}
.dash-table .st{font-size:11px;padding:3px 10px;border-radius:12px}
.st.pub{background:#e8f5ec;color:#1c7c3c}.st.draft{background:#fdf1e2;color:#b2731a}
@media(max-width:900px){.dash{grid-template-columns:1fr}.dash-side{display:none}.dash-cards{grid-template-columns:1fr 1fr}}

/* ================= 内页组件补丁 ================= */
.page-hero .lead{margin-top:22px;max-width:660px;font-size:16px;color:rgba(255,255,255,.78);line-height:1.9}
.sec-head .en-sub{display:block;margin-top:14px;font-size:11.5px;letter-spacing:.34em;text-transform:uppercase;color:var(--mut)}
.about-statement b{font-weight:700;color:var(--ink)}

.duo-card .duo-go{display:inline-block;margin-top:22px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--ink);border-bottom:2px solid var(--red);padding-bottom:6px;transition:letter-spacing .3s var(--ease)}
.duo-card:hover .duo-go{letter-spacing:.14em;color:var(--red)}

.feat3 .feat{border-top:2px solid var(--ink);padding-top:26px;transition:border-color .4s}
.feat3 .feat:hover{border-color:var(--red)}
.feat3 .feat h3{font-size:19px;font-weight:700}
.feat3 .feat .en-sub{display:block;font-size:10.5px;letter-spacing:.24em;color:var(--mut);text-transform:uppercase;margin:8px 0 14px}
.feat3 .feat p{font-size:14px;color:var(--ink2)}

.step .n{font-size:13px;font-weight:700;color:var(--red);letter-spacing:.14em}
.step h3{display:block;font-size:17.5px;font-weight:700;margin:12px 0 10px}
.tl-item h3{display:block;font-size:16.5px;font-weight:600;margin:8px 0}

.ai-item .en-sub{font-size:11px;letter-spacing:.3em;color:rgba(255,255,255,.5);text-transform:uppercase}
.ai-item h3{font-size:21px;font-weight:600;display:flex;align-items:center;gap:12px;margin-top:10px}
.ai-item h3::before{content:"";width:8px;height:8px;background:var(--red);flex:none}

.news-row .d{font-size:13.5px;color:var(--mut);letter-spacing:.05em}
.news-row .c{font-size:11px;letter-spacing:.16em;color:var(--red);border:1px solid rgba(200,16,46,.35);padding:5px 0;text-align:center}
.news-row h3{font-size:17.5px;font-weight:600;line-height:1.6}
@media(max-width:860px){.news-row .d,.news-row .c{display:none}}

.article .meta{margin:0 0 44px;padding-bottom:24px;border-bottom:1px solid var(--line);font-size:13px;color:var(--mut);letter-spacing:.08em}
.article .tags{margin-top:36px;display:flex;gap:10px;flex-wrap:wrap}
.article .tags span{font-size:11.5px;letter-spacing:.08em;color:var(--ink2);border:1px solid var(--line);padding:5px 12px;border-radius:20px}

.job{display:block;padding:30px 4px}
.job h3{font-size:18px;font-weight:600}
.job .jt{display:flex;gap:20px;flex-wrap:wrap;margin:10px 0 14px}
.job .jt span{font-size:12px;color:var(--mut);letter-spacing:.08em}
.job .jt span+span{border-left:1px solid var(--line);padding-left:20px}
.job p{font-size:14px;color:var(--ink2);max-width:660px}
.job .more-link{margin-top:20px}

.dir-g h3{font-size:17px;font-weight:700;margin:2px 0 6px}
.dir-g .en-sub{display:block;font-size:10.5px;letter-spacing:.2em;color:var(--mut);text-transform:uppercase;margin-bottom:12px}

.think-quote .zh{display:block}
.think-quote .en{display:block;font-size:12px;font-weight:300;color:var(--mut);letter-spacing:.18em;margin-top:12px}

.split h3{font-size:clamp(22px,2.4vw,30px);font-weight:700;margin-bottom:22px}
.split p{font-size:15px;color:var(--ink2);margin-bottom:18px;line-height:1.95}

.login-card .back{margin-top:26px;text-align:center}
.login-card .back a{font-size:12px;color:rgba(255,255,255,.45);letter-spacing:.06em}
.login-card .back a:hover{color:#fff}
.dm-head{display:flex;align-items:baseline;gap:16px;margin-bottom:26px}
.dm-head h1{font-size:20px;font-weight:700;color:var(--ink)}
.dm-head .en-sub{font-size:11px;letter-spacing:.3em;color:var(--mut);text-transform:uppercase}
.dash-cards .dc .n{display:block;font-size:24px;font-weight:700;color:var(--ink)}
.dash-cards .dc .t{display:block;font-size:12px;color:var(--mut);margin-top:6px}
.dash-side{position:sticky;top:0;height:100vh;display:flex;flex-direction:column}

/* 抽屉展开时导航使用深色 Logo */
.nav.menu-open .logo .lw{display:none}
.nav.menu-open .logo .ld{display:inline}
.nav.menu-open .brand-txt b{color:var(--ink)}
.nav.menu-open .brand-txt small{color:var(--mut)}

/* ================= 字体升级：衬线标题体系 ================= */
:root{--fd:"Playfair Display","Noto Serif SC","Songti SC",serif; --fb:"Noto Sans SC","Helvetica Neue",Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif}
body{font-family:var(--fb)}
.hero h1,.page-hero h1,.sec-head h2,.about-statement,.duo-card h3,
.feat3 .feat h3,.feat3 .f b,.dir-g h3,.dir-g b,.step h3,.step b,
.tl-item h3,.tl-item b,.job h3,.job b,.article h1,.think-quote .zh,.drawer a.dlink{font-family:var(--fd)}
.hero h1{font-weight:700;letter-spacing:.04em}
.sec-head h2{letter-spacing:.04em}
.page-hero h1{letter-spacing:.04em}
.drawer a.dlink{font-weight:700}
.about-statement{font-weight:600}

/* ================= 头部 / 页脚精修 ================= */
.nav-in{height:82px}
.nav-links>li>a{padding:10px 15px;font-size:14.5px;letter-spacing:.04em}
.drop{padding:7px}
.ft-brand .slogan{font-family:var(--fd);margin-top:30px;font-size:17px;font-weight:600;color:#fff;letter-spacing:.34em}
footer{padding:104px 0 0}
.ft-top{padding-bottom:80px}
.ft-col h5{margin-bottom:26px}
.ft-bar{padding:28px 0}
.ft-qr-card .qrbox{width:104px}

/* ================= 智库页：尼山经发院标识 ================= */
.tk-logo{max-width:400px;margin:6px 0 40px}
.tk-logo img{width:100%;height:auto}
.tk-contact{margin-top:8px;display:flex;gap:36px;align-items:center;background:var(--soft);border-left:3px solid var(--red);padding:30px 34px;max-width:820px}
.tk-contact .tk-qr{flex:none;width:112px;background:#fff;padding:8px;border:1px solid var(--line)}
.tk-contact .tk-qr img{width:100%;height:auto}
.tk-contact p{font-size:14px;color:var(--ink2);line-height:2.1;margin:0}
.tk-contact p b{color:var(--ink);font-size:15px}
@media(max-width:640px){.tk-contact{flex-direction:column;align-items:flex-start;gap:20px}}

/* EN 新闻卡 */
.card .card-b{padding:26px 26px 30px;display:flex;flex-direction:column;flex:1}
.card .card-b .d{font-size:11.5px;letter-spacing:.18em;color:var(--mut)}
.card .card-b h3{font-size:17.5px;font-weight:600;line-height:1.6;margin:12px 0 10px;font-family:var(--fd)}
.card .card-b>p{font-size:13.5px;color:var(--ink2);flex:1}


/* ================= 第三轮精修（2026.09） ================= */
/* 1. logo 比例协调 */
.logo img{height:30px}
.ft-brand img{width:min(226px,100%)}
.ft-brand .slogan{margin-top:20px;font-size:13.5px;letter-spacing:.26em}

/* 2. 城市赋能下拉更窄更紧凑 */
.drop{min-width:206px;padding:5px}
.drop a{padding:10px 14px}

/* 3. 语言切换：去红底，改为当前项红色下划线 */
.nav .lang{border:0;border-radius:0;overflow:visible;margin-left:30px;display:flex;align-items:center;gap:16px}
.nav .lang a{padding:5px 1px;position:relative;font-size:12.5px;letter-spacing:.14em;color:rgba(255,255,255,.62);background:none;font-weight:400}
.nav .lang a:hover{color:#fff}
.nav .lang a.cur{color:#fff;font-weight:600;background:none}
.nav .lang a.cur::after{content:"";position:absolute;left:1px;right:1px;bottom:-1px;height:2px;background:var(--red);border-radius:2px}
.nav.on-light .lang a{color:var(--ink2)}
.nav.on-light .lang a:hover{color:var(--ink)}
.nav.on-light .lang a.cur{color:var(--ink)}
.nav.menu-open .lang a{color:var(--ink2)}
.nav.menu-open .lang a.cur{color:var(--ink)}

/* 4. 页脚精修：更紧凑对齐 */
footer{padding:84px 0 0}
.ft-top{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:64px}
.ft-col h5{margin-bottom:20px}
.ft-col a{padding:6px 0}
.ft-qr-card{padding:18px;gap:16px}
.ft-qr-card .qrbox{width:80px;padding:6px}
.ft-qr-card p{font-size:12px;line-height:1.9}
.ft-brand .addr{margin-top:16px;line-height:2.1}
.ft-contact{margin-top:16px;line-height:2.1}

/* 5. 宣传册图廊（关于我们 / 产业赋能） */
.gal3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px}
.gal3 figure{margin:0}
.gal3 .ph{overflow:hidden;border-radius:4px;background:#eceff2}
.gal3 img{width:100%;height:238px;object-fit:cover;display:block;transition:transform .9s var(--ease)}
.gal3 figure:hover img{transform:scale(1.05)}
.gal3 figcaption{padding:14px 2px 0;font-size:12.5px;color:var(--ink2);line-height:1.7}
.gal3 figcaption b{display:block;color:var(--ink);font-size:14px;font-weight:600;margin-bottom:2px}
.wide-fig{margin:56px 0 8px;border-radius:6px;overflow:hidden;position:relative}
.wide-fig img{width:100%;display:block;height:clamp(260px,36vw,430px);object-fit:cover}
.wide-fig figcaption{position:absolute;left:0;right:0;bottom:0;padding:34px 26px 16px;background:linear-gradient(transparent,rgba(13,17,23,.68));color:#fff;font-size:13px;letter-spacing:.05em}
.wide-fig figcaption b{font-weight:600;margin-right:10px}
@media(max-width:860px){
  .gal3{grid-template-columns:1fr;gap:28px;margin-top:40px}
  .gal3 img{height:210px}
  .wide-fig{margin-top:40px}
}

/* 6. 智库页：logo 缩小 + 数据条 + 院景图 */
.tk-logo{max-width:218px;margin:4px 0 34px}
.stat4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:52px;padding-top:36px;border-top:1px solid #e7e9ed}
.stat4 .st b{font-family:var(--fd);font-size:clamp(28px,3.2vw,42px);font-weight:600;color:var(--ink);display:block;line-height:1.1}
.stat4 .st b i{font-style:normal;font-size:.55em;color:var(--red);margin-left:2px}
.stat4 .st span{display:block;margin-top:8px;font-size:12.5px;letter-spacing:.12em;color:var(--ink2)}
@media(max-width:860px){.stat4{grid-template-columns:repeat(2,1fr);gap:28px 20px}}
.tk-qr{width:96px}
.tk-contact .tk-qr img{width:100%}

/* 7. 导航与页脚移动端细节 */
@media(max-width:1080px){.nav .lang{margin-left:18px;gap:12px}}


/* ================= 第四轮精修（2026.09） ================= */
/* 1. AI 产品卡片重设计：更舒展 */
.ai2{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.ai2 .c{background:#23272e;border-radius:10px;padding:54px 48px 44px;position:relative;overflow:hidden;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.ai2 .c:hover{transform:translateY(-6px);box-shadow:0 34px 64px -22px rgba(15,19,25,.45)}
.ai2 .c::before{content:attr(data-n);position:absolute;top:18px;right:32px;font-family:var(--fd);font-size:76px;font-weight:600;color:rgba(255,255,255,.06);line-height:1}
.ai2 .en-sub{display:block;font-size:11px;letter-spacing:.3em;color:rgba(255,255,255,.42);text-transform:uppercase;margin-bottom:24px}
.ai2 h3{font-size:clamp(23px,2vw,29px);font-weight:600;line-height:1.4;margin-bottom:22px;padding-left:18px;border-left:3px solid var(--red);color:#fff}
.ai2 p{font-size:15px;line-height:2.05;color:rgba(255,255,255,.7);margin-bottom:34px;max-width:none}
.ai2 .tags{display:flex;gap:12px;flex-wrap:wrap}
.ai2 .tags span{font-size:12.5px;letter-spacing:.1em;color:rgba(255,255,255,.78);border:1px solid rgba(255,255,255,.22);padding:9px 20px;border-radius:30px;transition:.3s}
.ai2 .c:hover .tags span{border-color:rgba(255,255,255,.4)}
@media(max-width:960px){.ai2{grid-template-columns:1fr}}
@media(max-width:600px){.ai2 .c{padding:38px 26px 34px}}

/* 2. 新闻列表：图文卡片式 */
.nrow{display:grid;grid-template-columns:216px 1fr 40px;gap:30px;align-items:center;padding:26px 0;border-bottom:1px solid #e7e9ec;text-decoration:none;transition:.35s}
.nrow:first-child{padding-top:6px}
.nrow .nth{overflow:hidden;border-radius:5px;aspect-ratio:16/10;background:#eef0f3}
.nrow .nth img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .8s var(--ease)}
.nrow:hover .nth img{transform:scale(1.06)}
.nrow .nmeta{display:flex;align-items:center;gap:14px;margin-bottom:10px}
.nrow .nmeta .c{font-size:11.5px;letter-spacing:.16em;color:var(--red);border:1px solid rgba(200,16,46,.35);border-radius:20px;padding:4px 13px}
.nrow .nmeta .d{font-size:12.5px;color:#9aa0a8;letter-spacing:.06em}
.nrow h3{font-size:18.5px;font-weight:600;color:var(--ink);line-height:1.55;transition:color .3s;margin:0}
.nrow:hover h3{color:var(--red)}
.nrow .ns{margin-top:8px;font-size:13.5px;color:#6b7280;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nrow .go{font-size:20px;color:#c3c7cd;transition:.35s;text-align:right}
.nrow:hover .go{color:var(--red);transform:translateX(6px)}
@media(max-width:720px){
  .nrow{grid-template-columns:120px 1fr;gap:16px;padding:20px 0}
  .nrow .go{display:none}
  .nrow h3{font-size:16px}
  .nrow .ns{display:none}
}

/* 3. 下拉再收窄 */
.drop{min-width:182px}
.drop .dt small{display:none}
.drop a{padding:11px 16px}

/* 4. 页脚再精修 */
.ft-qr-card .qrbox{width:72px}
.ft-qr-card{align-items:center;padding:16px 18px}
.ft-qr-card p{font-size:11.5px;line-height:1.85}
.ft-col a:hover{padding-left:6px}

/* 5. 导航容纳新栏目 */
.nav-links>li>a{padding:10px 13px;font-size:13.5px}
.nav .lang{margin-left:20px;gap:12px}

/* 6. 智库页院景：图文分栏 */
.tk-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-top:56px}
.tk-split .pic{border-radius:6px;overflow:hidden;box-shadow:0 24px 50px -22px rgba(20,24,30,.3)}
.tk-split .pic img{width:100%;display:block}
.tk-split .cap{margin-top:14px;font-size:12.5px;color:var(--ink2);letter-spacing:.05em}
@media(max-width:860px){.tk-split{grid-template-columns:1fr;gap:28px;margin-top:40px}}

/* 7. 法律文本页 */
.legal{max-width:840px}
.legal h3{font-size:19px;font-weight:600;color:var(--ink);margin:44px 0 14px}
.legal p,.legal li{font-size:14.5px;line-height:2.05;color:#4a5058}
.legal ul{padding-left:20px;margin:10px 0}
.legal .upd{font-size:13px;color:#9aa0a8;margin-top:56px;padding-top:20px;border-top:1px solid #e7e9ec}


/* ===== 第五轮精修：logo 尺寸 / 发展历程配图 / 页脚高端化 / AI 紧凑化 ===== */
.logo img{height:26px}
.ft-brand img{width:min(196px,100%)}

/* 发展历程：图文时间轴 */
.ms{padding:54px 0;border-top:1px solid #e7e9ec;display:grid;grid-template-columns:370px 1fr;gap:60px;align-items:start}
.ms.first{border-top:none;padding-top:4px}
.ms .yr{font-family:var(--fd);font-size:42px;font-weight:700;color:var(--ink);line-height:1;display:block;letter-spacing:.02em}
.ms .yr::after{content:"";display:block;width:42px;height:3px;background:var(--red);margin:18px 0 0}
.ms h3{font-size:20px;margin:22px 0 14px;letter-spacing:.01em}
.ms .ms-txt p{font-size:14.5px;color:var(--mut);line-height:2.05;margin:0}
.ms-ph{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ms-ph figure{margin:0;position:relative;border-radius:8px;overflow:hidden;aspect-ratio:16/10;box-shadow:0 12px 32px rgba(23,27,34,.12)}
.ms-ph.three figure:first-child{grid-column:1/-1;aspect-ratio:21/9.5}
.ms-ph img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .9s var(--ease)}
.ms-ph figure:hover img{transform:scale(1.045)}
.ms-ph figcaption{position:absolute;left:0;right:0;bottom:0;padding:30px 16px 11px;font-size:12px;letter-spacing:.04em;color:#fff;background:linear-gradient(transparent,rgba(13,16,22,.78))}

/* 集团简介数据条 */
.mstats{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:52px;padding-top:36px;border-top:1px solid #e7e9ec}
.mstats .mstat b{font-family:var(--fd);font-size:34px;font-weight:700;color:var(--ink);display:block;line-height:1.1}
.mstats .mstat b em{font-style:normal;color:var(--red);font-size:20px;margin-left:2px}
.mstats .mstat span{display:block;margin-top:10px;font-size:13px;color:var(--mut);letter-spacing:.05em;line-height:1.7}

/* 页脚高端化 */
#footer{background:linear-gradient(180deg,#262b33 0%,#1e2229 100%)}
.ft-top{grid-template-columns:1.35fr .75fr .75fr 1fr;gap:44px;padding-bottom:56px}
.ft-col h5{position:relative;padding-bottom:14px;margin-bottom:22px}
.ft-col h5::after{content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;background:var(--red);opacity:.85}
.ft-qr-card{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.1);border-radius:10px}
.ft-bar{padding:24px 0;font-size:11.5px;letter-spacing:.06em}

/* AI 页紧凑化 */
.sec-tight{padding:72px 0}
.ai2{max-width:1020px;margin:0 auto;gap:24px}
.ai2 .c{padding:42px 38px 36px}
.ai2 .c::before{font-size:60px;top:26px;right:32px}
.ai2 .c h3{font-size:20px;margin:14px 0 14px}
.ai2 .c p{font-size:14px;line-height:1.95}
.ai2 .tags span{padding:7px 16px;font-size:12px}
.feat3.compact{gap:24px}
.feat3.compact .feat{padding:34px 30px}

@media(max-width:960px){
  .ms{grid-template-columns:1fr;gap:30px;padding:44px 0}
  .ms .yr{font-size:34px}
  .mstats{grid-template-columns:1fr;gap:24px}
  .ai2{grid-template-columns:1fr}
}


/* AI 页紧凑化（section 级覆盖） */
section.sec-tight{padding:76px 0}
section.sec-tight + section.sec-tight{padding-top:0}
section.sec-tight .sec-head{margin-bottom:44px}


/* ===== 第六轮：下拉再收窄 / SEO / 页脚链接 ===== */
.drop{min-width:0;width:106px;padding:4px}
.drop a{justify-content:center;padding:10px 8px;gap:0}
.drop .da{display:none}
.drop .dt b{font-size:13px}

/* ===== 第七轮：logo 比例精调 ===== */
.logo img{height:21px}
.ft-brand img{width:min(158px,100%)}
@media (max-width:900px){.logo img{height:19px}.ft-brand img{width:min(140px,100%)}}

/* 页脚公众号卡片简化 */
.ft-qr-card p b{font-size:14px;white-space:nowrap;letter-spacing:.5px}

/* ===== 第八轮：页脚布局重构 · 金色logo ===== */
.ft-brand{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;align-self:stretch}
.ft-brand img{width:min(172px,100%)}
.ft-brand .slogan{margin-top:20px}
.ft-qr-card.ft-qr-v{flex-direction:column;align-items:center;text-align:center;gap:14px;padding:18px 16px}
.ft-qr-card .qrt{line-height:1.7}
.ft-qr-card .qrt b{display:block;font-size:12.5px;white-space:nowrap;letter-spacing:.04em}
.ft-qr-card .qrt span{display:block;margin-top:5px;font-size:11px;color:rgba(255,255,255,.55);line-height:1.7}
.ft-col .addr{margin-top:18px;font-size:12px;line-height:2.1;color:rgba(255,255,255,.5)}
.ft-col .ft-contact{margin-top:8px;font-size:12.5px;line-height:2.1}
@media (max-width:600px){.ft-brand{align-items:flex-start;text-align:left}}
.ft-col .ft-contact{line-height:1.9;margin-top:10px}
.ft-col .addr{line-height:2}
/* 页脚修正：联系方式不受栏目链接样式影响；英文标语单行 */
.ft-col .ft-contact a{display:inline;padding:0;font-size:12.5px;line-height:2;color:rgba(255,255,255,.7)}
.ft-col .ft-contact a:hover{padding-left:0;color:#fff}
html[lang="en"] .ft-brand .slogan{font-size:12px;letter-spacing:.18em;white-space:nowrap}

/* ===== 第九轮：logo恢复白色 · 地址回品牌栏 · 二维码卡片缩小 ===== */
.ft-brand{align-items:flex-start;text-align:left;justify-content:center}
.ft-qr-card.ft-qr-v{width:fit-content;max-width:100%;padding:14px 16px;gap:10px}
.ft-qr-card.ft-qr-v .qrbox{width:64px;padding:5px}
.ft-qr-card .qrt b{font-size:11.5px}
.ft-qr-card .qrt span{font-size:10.5px;margin-top:3px}

/* 二维码卡片再缩小一半 */
.ft-qr-card.ft-qr-v{padding:8px 12px;gap:7px;border-radius:6px}
.ft-qr-card.ft-qr-v .qrbox{width:44px;padding:4px;border-radius:4px}
.ft-qr-card .qrt b{font-size:10px}
.ft-qr-card .qrt span{font-size:9px;margin-top:2px;line-height:1.5}

/* 二维码外框收紧（码保持可读尺寸） */
.ft-qr-card.ft-qr-v{padding:8px 10px;gap:8px}
.ft-qr-card.ft-qr-v .qrbox{width:60px;padding:5px}
.ft-qr-card .qrt b{font-size:11px}
.ft-qr-card .qrt span{font-size:10px}

/* 二维码放大 */
.ft-qr-card.ft-qr-v .qrbox{width:84px;padding:6px}
.ft-qr-card.ft-qr-v{padding:10px 14px;gap:10px}

/* ===== 第十轮：移动端修复 ===== */
/* 抽屉导航精致化 */
.drawer a.dlink{font-size:19px;font-weight:600;padding:15px 0;letter-spacing:.04em}
.drawer .dsub a{font-size:14px;padding:11px 0 11px 20px}
.drawer{padding:96px 30px 36px}
.drawer .dfoot{margin-top:26px;font-size:12px}
/* 页脚移动端：强制单列，修复被覆盖的媒体查询 */
@media(max-width:960px){
  .ft-top{grid-template-columns:1fr 1fr;gap:40px 32px}
}
@media(max-width:640px){
  .ft-top{grid-template-columns:1fr;gap:34px;padding-bottom:44px}
  .ft-brand{align-items:flex-start;text-align:left}
  .ft-brand .slogan{white-space:nowrap;font-size:13px;letter-spacing:.22em;margin-top:16px}
  .ft-brand .addr{font-size:12px;line-height:2;margin-top:14px}
  .ft-contact{margin-top:10px;font-size:12.5px}
  .ft-qr-card.ft-qr-v{align-items:flex-start;text-align:left}
  .ft-qr-card .qrt b{white-space:normal}
}

/* ===== 第十一轮：移动端高级感 ===== */
/* 抽屉菜单：居中 + 逐项渐入 */
.drawer{padding:104px 34px 40px;display:flex;flex-direction:column;justify-content:center}
.drawer a.dlink{text-align:center;font-size:20px;letter-spacing:.14em;padding:15px 0;border-bottom:1px solid rgba(25,30,38,.06);opacity:0;transform:translateY(16px);transition:opacity .55s var(--ease),transform .55s var(--ease),color .3s}
.nav.menu-open~.drawer a.dlink{opacity:1;transform:none}
.nav.menu-open~.drawer a.dlink:nth-of-type(1){transition-delay:.12s}
.nav.menu-open~.drawer a.dlink:nth-of-type(2){transition-delay:.18s}
.nav.menu-open~.drawer a.dlink:nth-of-type(3){transition-delay:.24s}
.nav.menu-open~.drawer a.dlink:nth-of-type(4){transition-delay:.30s}
.nav.menu-open~.drawer a.dlink:nth-of-type(5){transition-delay:.36s}
.nav.menu-open~.drawer a.dlink:nth-of-type(6){transition-delay:.42s}
.nav.menu-open~.drawer a.dlink:nth-of-type(7){transition-delay:.48s}
.nav.menu-open~.drawer a.dlink:nth-of-type(8){transition-delay:.54s}
.drawer a.dlink:active{color:var(--red)}
.drawer .dsub a{text-align:center;padding:11px 0}
.drawer .dsub a small{display:block;margin:4px 0 0;font-size:9.5px;letter-spacing:.22em}
.drawer .dlang{justify-content:center;margin-top:28px;opacity:0;transition:opacity .5s .6s}
.nav.menu-open~.drawer .dlang,.nav.menu-open~.drawer .dfoot{opacity:1}
.drawer .dfoot{text-align:center;opacity:0;transition:opacity .5s .68s}

/* 首屏大图：手机端全景展示（完整画面＋模糊衬底） */
.bgm{display:none}
@media(max-width:768px){
  .hero{min-height:100svh}
  .slide .bgm{display:block;position:absolute;inset:0;background-size:cover;background-position:center;filter:blur(6px) brightness(.9);transform:scale(1.3)}
  .slide .bg{inset:0;background-size:contain;background-repeat:no-repeat;background-position:center 16%;animation:none!important}
}

/* 页脚：集团与内容并行，备案号不换行 */
@media(max-width:640px){
  .ft-top{grid-template-columns:1fr 1fr;gap:36px 28px}
  .ft-brand{grid-column:1/-1}
  .ft-top>*:last-child{grid-column:1/-1}
  .ft-bar{flex-direction:column;gap:10px;align-items:flex-start}
  .ft-bar a{white-space:nowrap}
  .ft-bar .fl{display:flex;gap:26px}
}

/* ===== 第十二轮：移动端细节修正 ===== */
/* 首屏：全景图固定在上半区，文字下半区，互不重叠 */
@media(max-width:768px){
  .slide .bg{inset:76px 0 auto 0;height:50%;background-size:contain;background-position:top center}
  .hero-in{padding-bottom:88px}
  .hero h1{font-size:clamp(34px,9vw,44px)}
  .hero::after{background:linear-gradient(180deg,rgba(18,24,32,.55) 0%,rgba(18,24,32,.1) 30%,rgba(18,24,32,.55) 100%)}
}
/* 抽屉：内容下移到导航之下，打开时隐藏导航内语言切换避免叠字 */
.drawer{justify-content:flex-start;padding:150px 34px 44px}
.nav.menu-open .lang{opacity:0;pointer-events:none}
.nav .lang{transition:opacity .3s}
@media(max-width:768px){.slide .bg{height:44%}}
@media(max-width:768px){.slide .bg{background-size:88% auto}.hero-in{padding-bottom:70px}}

/* ===== 第十三轮：手机端首屏与电脑端一致（全屏背景＋文字叠加） ===== */
@media(max-width:768px){
  .slide .bgm{display:none}
  .slide .bg{inset:-6%;height:auto;background-size:cover;background-position:center;animation:kenburns 9s ease-out forwards!important}
  .slide.on .bg{animation:kenburns 9s ease-out forwards!important}
  .hero-in{padding-bottom:120px}
  .hero::after{background:linear-gradient(180deg,rgba(18,24,32,.42) 0%,rgba(18,24,32,.08) 34%,rgba(18,24,32,.68) 100%)}
}

/* ===== 第十四轮：二维码居中 / 抽屉红色横杠 / 首屏构图 ===== */
/* 手机端页脚二维码整体居中 */
@media(max-width:640px){
  .ft-top>*:last-child{text-align:center}
  .ft-top>*:last-child h5::after{left:50%;transform:translateX(-50%)}
  .ft-qr-card.ft-qr-v{margin-left:auto;margin-right:auto}
}
/* 抽屉菜单：顶部留白收紧，条目下加品牌红横杠 */
.drawer{padding:118px 34px 40px}
.drawer a.dlink{border-bottom:0;padding:15px 0 13px}
.drawer a.dlink::after{content:"";display:block;width:26px;height:2px;background:var(--red);opacity:.85;margin:12px auto 0}
.drawer .dsub a{border-bottom:0}
.drawer .dsub a::after{content:"";display:block;width:16px;height:2px;background:var(--red);opacity:.35;margin:8px auto 0}
/* 手机端首屏换用裁掉上部天空的专用构图，减少留白 */
@media(max-width:768px){
  .slide .bg.bg-1{background-image:url(../img/hero-1m2.jpg)!important}
  .slide .bg.bg-2{background-image:url(../img/hero-2m2.jpg)!important}
}

/* ===== 第十四轮补：抽屉子项禁止弹性收缩（修复城市赋能子菜单展不开） ===== */
.drawer>*{flex:none}

/* ===== 第十五轮：logo恢复蓝色地球 / 二维码回左 / 抽屉左对齐编辑式设计 ===== */
/* 手机端页脚二维码恢复左对齐 */
@media(max-width:640px){
  .ft-top>*:last-child{text-align:left}
  .ft-top>*:last-child h5::after{left:0;transform:none}
  .ft-qr-card.ft-qr-v{margin-left:0;margin-right:0}
}
/* 抽屉菜单：整体垂直居中、条目左对齐，红色序号 + 右侧箭头 */
.drawer{padding:92px 32px 40px;justify-content:flex-start;justify-content:safe center;counter-reset:di}
.drawer a.dlink{display:flex;align-items:baseline;gap:15px;text-align:left;font-size:21px;letter-spacing:.1em;padding:16px 2px;border-bottom:1px solid rgba(25,30,38,.07)}
.drawer a.dlink::before{counter-increment:di;content:"0" counter(di);font-size:10.5px;font-weight:600;letter-spacing:.14em;color:var(--red);opacity:.9;transform:translateY(-3px)}
.drawer a.dlink::after{content:"→";margin-left:auto;margin-top:0;font-size:15px;width:auto;height:auto;background:none;opacity:1;color:rgba(25,30,38,.22);transition:color .3s,transform .3s var(--ease)}
.drawer a.dlink:active::after{color:var(--red);transform:translateX(4px)}
/* 子菜单：缩进对齐标题，英文同行小字 */
.drawer .dsub a{text-align:left;font-size:14.5px;padding:12px 2px 12px 44px;border-bottom:1px solid rgba(25,30,38,.05)}
.drawer .dsub a::after{display:none}
.drawer .dsub a small{display:inline;margin:0 0 0 10px;font-size:9.5px;letter-spacing:.2em}
.drawer .dlang,.drawer .dfoot{justify-content:flex-start;text-align:left}

/* ===== 第十六轮：浅色导航当前语言可见 / 首页服务行对齐 ===== */
/* 导航白色时下拉里？语言切换当前项保持深色可见 */
.nav.scrolled .lang a.cur,.nav.on-light .lang a.cur{color:var(--ink)}
/* 首页服务清单行：基线对齐、不折行 */
.vrow{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:16px 2px;border-bottom:1px solid var(--line);font-size:15px}
.vrow small{color:var(--mut);font-size:12px;letter-spacing:.1em;text-align:right}
@media(max-width:480px){
  .vrow{white-space:nowrap;font-size:14.5px}
  .vrow small{font-size:10px;letter-spacing:.05em;white-space:nowrap}
}