/* 酒帮天下官网 · 苹果风样式（原样抽离自 苹果风.html）*/

:root{
  --bg:#fff;--bg2:#f5f5f7;--ink:#1d1d1f;--ink2:#6e6e73;--grey:#55555a;
  --brand:#E66A2B;--brand2:#D9BC78;--gold2:#D9BC78;--line:rgba(0,0,0,.08);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased;}
html{scroll-behavior:smooth;}
body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;overflow-x:hidden;}
a{color:inherit;text-decoration:none;}
::selection{background:var(--brand);color:#fff;}
img{max-width:100%;display:block;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}

/* 顶栏 —— 苹果式极简居中 */
.topbar{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(20px);height:72px;display:flex;align-items:center;justify-content:center;border-bottom:1px solid rgba(0,0,0,.05);}
.topbar.scrolled{background:rgba(255,255,255,.9);}
.logo{position:absolute;left:24px;display:flex;align-items:center;cursor:pointer;}
.logo img{height:48px;width:auto;}
.nav{display:flex;gap:40px;align-items:center;}
.nav a{font-size:13px;color:var(--ink2);letter-spacing:.5px;cursor:pointer;transition:.2s;}
.nav a:hover{color:var(--ink);}
.nav a.on{color:var(--ink);}
.nav .cta{position:absolute;right:24px;background:var(--brand);color:#fff;padding:8px 20px;border-radius:980px;font-size:13px;letter-spacing:.5px;transition:.2s;}
.nav .cta:hover{background:#d95f22;}

/* 通用 */
.section{padding:110px 0;}
.sec-head{text-align:center;margin-bottom:72px;}
.sec-head .no{font-size:13px;color:var(--ink2);letter-spacing:2px;font-weight:500;margin-bottom:16px;opacity:.55;}
.sec-head h2{font-size:clamp(36px,5vw,64px);font-weight:600;letter-spacing:-.02em;line-height:1.1;color:var(--ink);}
.sec-head h2 .b{font-weight:700;}
.sec-head h2 .gold{color:var(--ink);}
.sec-head .aside{font-size:18px;color:var(--ink2);letter-spacing:.3px;margin-top:18px;line-height:1.6;}
.btn{display:inline-flex;align-items:center;gap:10px;padding:16px 34px;font-size:16px;letter-spacing:.3px;cursor:pointer;transition:.25s;border:none;font-weight:500;border-radius:980px;}
.btn.solid{background:var(--brand);color:#fff;}
.btn.solid:hover{background:#d95f22;transform:translateY(-1px);}
.btn.line{background:transparent;color:var(--brand);border:1px solid var(--brand);}
.btn.line:hover{background:rgba(230,106,43,.08);}
.btn .arr{transition:.3s;}
.btn:hover .arr{transform:translateX(4px);}

/* 页面切换 */
.admin-link{text-align:center;margin-top:24px;}
.admin-link a{color:var(--grey);font-size:12px;letter-spacing:1px;opacity:.7;transition:.2s;}
.admin-link a:hover{opacity:1;color:var(--ink2);}
.page{display:none;}
.page.on{display:block;animation:pg .45s ease;}
@keyframes pg{from{opacity:0;}to{opacity:1;}}

/* ===== 首屏 hero —— 苹果式居中大标题 ===== */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;background:radial-gradient(ellipse at 50% 0%,#fafafa 0%,#fff 60%);padding-top:72px;}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;}
.hero .veil{display:none;}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:56px;width:100%;}
.hero-copy{text-align:left;}
.hero .kicker{font-size:15px;color:var(--ink2);letter-spacing:3px;margin-bottom:24px;font-weight:500;}
.hero h1{font-size:clamp(44px,6vw,88px);font-weight:600;line-height:1.08;letter-spacing:-.02em;color:var(--ink);}
.hero h1 .b{font-weight:600;}
.hero h1 .gold{color:var(--brand);font-weight:600;}
.hero .lead{font-size:clamp(17px,1.6vw,20px);color:var(--ink2);letter-spacing:.3px;margin-top:28px;font-weight:400;line-height:1.7;}
.hero .actions{display:flex;gap:16px;justify-content:flex-start;margin-top:48px;flex-wrap:wrap;}
.hero-media{display:flex;justify-content:center;align-items:center;}
.hero-media img{width:100%;max-width:560px;aspect-ratio:1/1;object-fit:cover;border-radius:24px;overflow:hidden;}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;text-align:center;}.hero-copy{text-align:center;}.hero .actions{justify-content:center;}.hero-media{order:-1;}.hero-media img{max-width:320px;}}

/* 内页 hero（矮版居中） */
.hero-sub{position:relative;min-height:48vh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;background:var(--bg2);}
.hero-sub .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.05;}
.hero-sub .veil{display:none;}
.hero-sub .content{position:relative;z-index:2;max-width:900px;padding-top:60px;}
.hero-sub h1{font-size:clamp(40px,5.5vw,72px);font-weight:700;line-height:1.1;letter-spacing:-.02em;color:var(--ink);}
.hero-sub h1 .gold{color:var(--ink);font-weight:700;}
.hero-sub h1 .b{font-weight:700;}
.hero-sub .kicker{font-size:14px;color:var(--ink2);letter-spacing:3px;margin-bottom:20px;font-weight:500;}

/* ===== 数据条 —— 居中大数字 ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:48px;text-align:center;}
.stat{padding:0;}
.stat:last-child{border-right:none;}
.stat:not(:first-child){padding-left:0;}
.stat .n{font-size:clamp(48px,6vw,80px);line-height:1;color:var(--ink);letter-spacing:-.02em;font-weight:700;}
.stat .n .u{font-size:.4em;color:var(--ink2);font-weight:500;margin-left:2px;}
.stat .l{font-size:15px;color:var(--ink2);margin-top:18px;line-height:1.7;letter-spacing:.3px;}
.stat .l b{color:var(--ink2);font-weight:400;font-size:15px;}

/* ===== 业务列表 —— 居中大字 hover ===== */
.biz-row{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.biz-item{display:block;cursor:pointer;transition:.4s;position:relative;overflow:hidden;border-radius:20px;background:var(--bg2);}
.biz-item:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.08);}
.biz-img{height:240px;overflow:hidden;background:#eee;}
.biz-img img{width:100%;height:100%;object-fit:cover;transition:transform 1s cubic-bezier(.2,.8,.2,1);}
.biz-item:hover .biz-img img{transform:scale(1.05);}
.biz-info{padding:28px 32px 32px;}
.biz-item .idx{font-size:13px;color:var(--brand);letter-spacing:2px;font-weight:600;margin-bottom:8px;}
.biz-item .t{font-size:clamp(22px,2.2vw,28px);font-weight:600;letter-spacing:-.02em;transition:.3s;color:var(--ink);}
.biz-item .d{font-size:15px;color:var(--ink2);margin-top:10px;letter-spacing:.3px;line-height:1.7;}
.biz-item .go{display:none;}
.biz-item:hover .t{color:var(--brand);}
.biz-item:last-child:nth-child(odd){grid-column:1/-1;}
.biz-item:last-child:nth-child(odd) .biz-img{height:280px;}

/* 业务展开面板 */
.biz-item.exp{display:block;}
.biz-item.exp .go{transform:none;opacity:1;color:var(--brand);}
.biz-detail{display:none;grid-column:1/-1;padding:0 0 32px;}
.biz-item.exp .biz-detail{display:block;animation:fadein .4s ease;}
@keyframes fadein{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:none;}}
.biz-detail .cols{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.biz-detail .col .k{font-size:13px;color:var(--brand);letter-spacing:2px;margin-bottom:12px;font-weight:600;}
.biz-detail .col p{font-size:15px;color:var(--ink2);line-height:1.8;letter-spacing:.3px;}

/* ===== 全链路流程条 —— 居中卡片 ===== */
.flow{display:grid;grid-template-columns:repeat(7,1fr);gap:16px;max-width:1100px;margin:0 auto;}
.flow-step{position:relative;padding:32px 16px;text-align:center;transition:.3s;background:var(--bg2);border-radius:18px;cursor:default;overflow:hidden;}
.flow-step .ico{width:48px;height:48px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;border-radius:14px;background:rgba(230,106,43,.08);}
.flow-step .ico svg{width:24px;height:24px;stroke:var(--brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.flow-step::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .35s ease;}
.flow-step .no{font-size:13px;color:var(--brand);letter-spacing:2px;font-weight:600;margin-bottom:14px;}
.flow-step .t{font-size:17px;font-weight:600;letter-spacing:.02em;color:var(--ink);line-height:1.4;}
.flow-step .d{font-size:13px;color:var(--ink2);margin-top:8px;line-height:1.6;letter-spacing:.3px;}
.flow-step:hover{background:#fff;box-shadow:0 10px 24px rgba(0,0,0,.07);transform:translateY(-3px);}
.flow-step:hover::after{transform:scaleX(1);}
.flow-step:hover .no{color:var(--brand);}
@media(max-width:1100px){.flow{grid-template-columns:repeat(4,1fr);}}
@media(max-width:560px){.flow{grid-template-columns:repeat(2,1fr);}}

/* ===== 能力卡片 —— 苹果式圆角卡片 ===== */
.cap-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.cap-card{background:var(--bg2);border-radius:20px;padding:0;transition:.4s;cursor:pointer;position:relative;overflow:hidden;}
.cap-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.08);}
.cap-card .cap-img{height:200px;overflow:hidden;background:#eee;}
.cap-card.wide .cap-img{height:260px;}
.cap-card .cap-img img{width:100%;height:100%;object-fit:cover;transition:transform 1s cubic-bezier(.2,.8,.2,1);}
.cap-card:hover .cap-img img{transform:scale(1.05);}
.cap-card .cap-body{padding:36px 40px 40px;}
.cap-card.wide{grid-column:1/-1;}
.cap-card.wide .cols{grid-template-columns:repeat(4,1fr);}
.cap-card .no{font-size:13px;color:var(--brand);letter-spacing:2px;font-weight:600;margin-bottom:16px;}
.cap-card .t{font-size:clamp(24px,2.6vw,32px);font-weight:600;letter-spacing:-.02em;color:var(--ink);line-height:1.3;}
.cap-card .d{font-size:16px;color:var(--ink2);margin-top:14px;line-height:1.7;letter-spacing:.3px;}
.cap-card .cols{display:none;margin-top:28px;padding-top:28px;border-top:1px solid var(--line);grid-template-columns:repeat(3,1fr);gap:20px;}
.cap-card.open .cols{display:grid;animation:fadein .35s ease;}
.cap-card .col .k{font-size:12px;color:var(--brand);letter-spacing:2px;margin-bottom:10px;font-weight:600;}
.cap-card .col p{font-size:14px;color:var(--ink2);line-height:1.8;letter-spacing:.3px;}
.cap-card .more{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-size:14px;color:var(--brand);letter-spacing:1px;font-weight:500;}
.cap-card .more .arr{transition:.3s;}
.cap-card:hover .more .arr{transform:translateX(4px);}
@media(max-width:860px){.cap-grid{grid-template-columns:1fr;}.cap-card .cols{grid-template-columns:1fr;}}

/* ===== 荣誉卡片 ===== */
/* 关于我们 · 介绍区 */
.about-intro{display:grid;grid-template-columns:1fr 420px;gap:56px;align-items:center;}
.about-logo{display:flex;align-items:center;justify-content:center;}
.about-logo img{width:100%;height:auto;max-width:420px;border-radius:20px;box-shadow:0 24px 48px rgba(0,0,0,.12);}
@media(max-width:860px){.about-intro{grid-template-columns:1fr;gap:40px;}.about-logo img{max-width:100%;}}
.honor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.honor-card{background:var(--bg2);border-radius:18px;padding:32px;position:relative;overflow:hidden;transition:.4s;}
.honor-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(0,0,0,.07);}
.honor-card .icon{width:44px;height:44px;border-radius:12px;background:rgba(230,106,43,.08);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.honor-card .icon svg{width:22px;height:22px;stroke:var(--brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.honor-card .t{font-size:19px;font-weight:600;color:var(--ink);line-height:1.5;letter-spacing:-.01em;}
.honor-card .d{font-size:13px;color:var(--ink2);margin-top:10px;letter-spacing:.5px;line-height:1.7;}
@media(max-width:860px){.honor-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.honor-grid{grid-template-columns:1fr;}}

/* ===== 团队卡片 ===== */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.team-card{background:var(--bg2);border-radius:18px;padding:36px 28px;text-align:center;position:relative;overflow:hidden;transition:.4s;}
.team-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(0,0,0,.07);}
.tc-avatar{width:76px;height:76px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,var(--brand2),var(--brand));margin:0 auto 20px;color:#fff;font-size:22px;font-weight:600;letter-spacing:1px;}
.tc-img{width:100%;height:140px;border-radius:12px;overflow:hidden;margin-bottom:20px;background:var(--bg2);}
.tc-img img{width:100%;height:100%;object-fit:cover;display:block;transition:.5s;}
.team-card:hover .tc-img img{transform:scale(1.05);}
.tc-name{font-size:20px;font-weight:600;color:var(--ink);letter-spacing:.02em;}
.tc-role{font-size:13px;color:var(--brand);letter-spacing:1.5px;margin-top:8px;font-weight:500;}
.tc-desc{font-size:14px;color:var(--ink2);line-height:1.8;letter-spacing:.3px;margin-top:16px;}
@media(max-width:860px){.team-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.team-grid{grid-template-columns:1fr;}}

.job-list{border-top:1px solid var(--line);}
.job-item{display:flex;align-items:center;gap:24px;padding:32px 0;border-bottom:1px solid var(--line);cursor:pointer;transition:.3s;flex-wrap:wrap;}
.job-item:hover .ji-title{color:var(--brand);}
.job-item:hover .ji-go{transform:translateX(6px);color:var(--brand);}
.ji-main{flex:1;min-width:240px;}
.ji-title{font-size:21px;font-weight:600;color:var(--ink);letter-spacing:.02em;transition:.3s;}
.ji-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px;}
.ji-desc{font-size:14px;color:var(--ink2);line-height:1.8;letter-spacing:.3px;margin-top:10px;}
.ji-tag{font-size:12px;color:var(--ink2);letter-spacing:1px;background:var(--bg2);padding:5px 14px;border-radius:980px;}
.ji-go{font-size:22px;color:var(--grey);transition:.3s;}

/* ===== 新闻列表 ===== */
.news-list{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:1fr;gap:0;}
.news-card{display:grid;grid-template-columns:1fr auto;align-items:center;gap:32px;padding:48px 0;border-bottom:1px solid var(--line);cursor:pointer;transition:.3s;}
.news-card:first-child{border-top:1px solid var(--line);}
.news-body{min-width:0;}
.news-meta{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.nc-cat{font-size:12px;color:var(--brand);letter-spacing:2px;font-weight:600;}
.nc-date{font-size:12px;color:var(--grey);letter-spacing:.5px;}
.news-title{font-size:clamp(19px,2.2vw,26px);font-weight:600;letter-spacing:-.01em;color:var(--ink);line-height:1.5;transition:.3s;}
.news-card:hover .news-title{color:var(--brand);}
.news-desc{font-size:15px;color:var(--ink2);margin-top:12px;line-height:1.75;letter-spacing:.3px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-go{font-size:26px;color:var(--ink2);transition:.3s;opacity:0;}
.news-card:hover .news-go{opacity:1;color:var(--brand);transform:translateX(4px);}
@media(max-width:720px){.news-card{grid-template-columns:1fr;}.news-go{display:none;}}

/* ===== 文章详情弹层 ===== */

.art-modal{position:fixed;inset:0;z-index:200;background:rgba(255,255,255,.98);backdrop-filter:blur(8px);overflow-y:auto;display:none;}
.art-modal.on{display:block;animation:fadein .3s ease;}
.art-modal .art-inner{max-width:840px;margin:0 auto;padding:80px 24px 60px;}
.art-close{position:fixed;top:24px;right:28px;z-index:210;width:44px;height:44px;border-radius:50%;background:var(--bg2);color:var(--ink2);font-size:20px;cursor:pointer;transition:.3s;display:flex;align-items:center;justify-content:center;border:none;}
.art-close:hover{background:var(--brand);color:#fff;transform:rotate(90deg);}
.art-tag{display:inline-block;font-size:12px;letter-spacing:2px;color:var(--brand);background:rgba(230,106,43,.1);padding:6px 16px;border-radius:980px;margin-bottom:22px;font-weight:500;}
.art-title{font-size:clamp(26px,3.4vw,40px);font-weight:700;letter-spacing:-.01em;line-height:1.3;color:var(--ink);}
.art-meta{display:flex;align-items:center;gap:16px;margin-top:20px;padding-bottom:28px;border-bottom:1px solid var(--line);flex-wrap:wrap;}
.art-meta .am{font-size:13px;color:var(--ink2);letter-spacing:.5px;}
.art-meta .am.s{color:var(--brand);}
.art-body{font-size:17px;line-height:2;color:var(--ink);letter-spacing:.3px;margin-top:28px;}
.art-body p{margin:18px 0;}
.art-body img{width:100%;margin:24px 0;border-radius:12px;}
.art-body .art-img{margin:28px 0;}
.art-body .art-img img{margin:0;}
.art-body .art-caption{font-size:13px;color:var(--grey);line-height:1.7;text-align:center;margin:-12px 0 24px;}
.art-body h2{font-size:20px;font-weight:700;color:var(--ink);margin:32px 0 16px;line-height:1.5;}
.art-body h3{font-size:17px;font-weight:700;color:var(--ink);margin:28px 0 14px;line-height:1.5;}
.art-body h4{font-size:16px;font-weight:700;color:var(--ink);margin:24px 0 12px;line-height:1.5;}
.art-body blockquote{margin:20px 0;padding:12px 20px;border-left:3px solid var(--brand);background:var(--bg2);color:var(--ink2);border-radius:0 8px 8px 0;}
.art-body ul,.art-body ol{margin:16px 0;padding-left:28px;}
.art-body li{margin:6px 0;}
.art-body a{color:var(--brand);text-decoration:underline;}
/* 表格 */
.art-body table{border-collapse:collapse;width:100%;margin:20px 0;font-size:15px;line-height:1.7;}
.art-body table th,.art-body table td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.art-body table th{background:var(--bg2);font-weight:600;}
/* 代码块 */
.art-body pre{margin:18px 0;padding:16px 20px;background:#1d1d1f;color:#f5f5f7;border-radius:10px;overflow-x:auto;font-size:14px;line-height:1.6;}
.art-body pre code{font-family:"SF Mono",Menlo,Consolas,monospace;}
.art-body code{font-family:"SF Mono",Menlo,Consolas,monospace;background:var(--bg2);padding:2px 6px;border-radius:4px;font-size:14px;}
.art-body pre code{background:none;padding:0;}
/* 视频 */
.art-body video{width:100%;border-radius:12px;margin:18px 0;}
.art-body hr{border:none;border-top:1px solid var(--line);margin:28px 0;}
.art-body .imgs-only{display:grid;gap:16px;}
.art-src{margin-top:32px;font-size:12px;color:var(--grey);letter-spacing:1px;}
.art-src a{color:var(--ink2);text-decoration:underline;}

/* 分享按钮 */
.share{display:flex;align-items:center;gap:12px;margin-top:28px;flex-wrap:wrap;}
.share .sl{font-size:12px;color:var(--ink2);letter-spacing:2px;}
.share .sb{display:inline-flex;align-items:center;gap:7px;padding:10px 20px;border-radius:980px;font-size:13px;color:var(--ink);letter-spacing:1px;cursor:pointer;transition:.3s;background:var(--bg2);border:none;font-family:inherit;}
.share .sb svg{width:15px;height:15px;fill:currentColor;flex-shrink:0;}
.share .sb:hover{transform:translateY(-2px);}
.share .sb.weibo:hover{background:rgba(230,106,43,.15);color:var(--brand);}
.share .sb.wechat:hover{background:rgba(7,193,96,.15);color:#07c160;}
.share .sb.link:hover{background:rgba(230,106,43,.12);color:var(--brand);}
.share .sb.copied{color:var(--brand);}

/* ===== 案例大图 —— 苹果式圆角大卡 ===== */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.case{position:relative;overflow:hidden;cursor:pointer;min-height:clamp(420px,52vw,580px);border-radius:28px;box-shadow:0 4px 20px rgba(0,0,0,.04);}
.case .img{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform 1.4s cubic-bezier(.2,.8,.2,1);}
.case:hover .img{transform:scale(1.06);}
.case .ov{position:absolute;inset:0;background:linear-gradient(to top,rgba(255,255,255,.92),rgba(255,255,255,.15) 55%,transparent);}
.case .tag{position:absolute;top:24px;left:24px;font-size:12px;letter-spacing:2px;color:var(--brand);background:rgba(255,255,255,.85);padding:7px 16px;border-radius:980px;backdrop-filter:blur(8px);}
.case .c{position:absolute;left:32px;right:32px;bottom:32px;z-index:2;}
.case .c .big{font-size:clamp(48px,5.5vw,72px);line-height:1;color:var(--ink);letter-spacing:-.02em;font-weight:700;}
.case .c .big .u{color:var(--brand);font-size:.5em;}
.case .c h3{font-size:clamp(18px,2vw,23px);font-weight:600;margin-top:14px;letter-spacing:.02em;color:var(--ink);}
.case .c p{font-size:14px;color:var(--ink2);margin-top:10px;line-height:1.7;letter-spacing:.5px;}

/* ===== 尾 CTA ===== */
.finale{text-align:center;padding:130px 0;background:#fff;}
.finale .big{font-size:clamp(36px,5.5vw,68px);line-height:1.25;letter-spacing:-.02em;font-weight:700;color:var(--ink);}
.finale .big .gold{color:var(--ink);}

/* ===== 品牌 logo 墙 ===== */
.brand-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.brand-cell{position:relative;padding:40px 28px;display:flex;align-items:center;justify-content:center;min-height:110px;background:#E66A2B;border-radius:16px;transition:.4s;cursor:default;}
.brand-cell:hover{background:#2c2c2e;transform:translateY(-3px);}
.brand-cell img{height:clamp(30px,3.4vw,40px);width:auto;max-width:clamp(130px,14vw,170px);opacity:.92;transition:.4s;object-fit:contain;}
.brand-cell img.sq{height:clamp(50px,5.6vw,64px);max-width:clamp(110px,12vw,150px);}
.brand-cell img.tall{height:clamp(56px,6.4vw,72px);max-width:clamp(60px,6.4vw,78px);}
.brand-cell img.wide{height:clamp(28px,3vw,36px);max-width:clamp(150px,16vw,200px);}
.brand-cell img.med{height:clamp(38px,4.2vw,48px);max-width:clamp(120px,13vw,160px);}
.brand-cell img.sm{height:clamp(30px,3.4vw,40px);max-width:clamp(110px,12vw,150px);}
.brand-cell img.lg{height:clamp(56px,6vw,70px);max-width:clamp(120px,13vw,160px);}
.brand-cell img.xl{height:clamp(68px,7.4vw,86px);max-width:clamp(90px,10vw,120px);}
.brand-cell:hover img{opacity:1;}
.brand-cell .txt{font-size:clamp(18px,2.1vw,26px);font-weight:600;letter-spacing:.04em;color:var(--ink);opacity:.9;transition:.4s;white-space:nowrap;}
.brand-cell:hover .txt{opacity:1;color:var(--brand);}
@media(max-width:860px){.brand-wall{grid-template-columns:repeat(2,1fr);}}

/* ===== 服务案例 · 卡片式 ===== */
.case-grid{display:flex;flex-direction:column;gap:32px;}
.case-card{background:var(--bg2);border:1px solid var(--line);border-radius:24px;padding:52px 56px;transition:.35s;display:grid;grid-template-columns:200px 1fr;gap:48px;align-items:start;}
.case-card:hover{background:#fff;box-shadow:0 20px 56px rgba(0,0,0,.09);transform:translateY(-4px);border-color:rgba(0,0,0,.02);}
.case-img{width:200px;height:200px;border-radius:16px;overflow:hidden;background:#E66A2B;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;padding:24px;box-sizing:border-box;}
.case-img img.case-logo{width:100%;height:100%;object-fit:contain;display:block;opacity:.95;}
.case-main{min-width:0;}
.case-head{display:flex;align-items:center;gap:16px;margin-bottom:14px;}
.case-no{font-size:13px;font-weight:600;color:var(--brand);letter-spacing:3px;}
.case-tag{font-size:12px;color:var(--ink);letter-spacing:2px;padding:5px 14px;background:#fff;border:1px solid var(--line);border-radius:980px;}
.case-brand{font-size:15px;font-weight:600;color:var(--ink2);letter-spacing:1px;margin-bottom:6px;}
.case-title{font-size:clamp(24px,2.6vw,34px);font-weight:600;letter-spacing:-.01em;line-height:1.3;color:var(--ink);margin:0 0 22px;}
.case-title .gold{color:var(--ink);}
.case-metric{display:flex;align-items:baseline;gap:14px;padding:18px 0 22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:26px;}
.case-metric .metric-num{font-size:clamp(36px,4vw,56px);font-weight:700;letter-spacing:-.02em;color:var(--brand);line-height:1;}
.case-metric .metric-label{font-size:14px;color:var(--ink2);letter-spacing:.5px;}
.case-body{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.case-block .case-k{font-size:13px;font-weight:600;color:var(--ink);letter-spacing:2px;margin-bottom:10px;}
.case-block p{font-size:14px;color:var(--ink2);line-height:1.9;letter-spacing:.3px;margin:0;}
@media(max-width:860px){.case-card{padding:36px 28px;grid-template-columns:1fr;}.case-img{width:100%;height:180px;}.case-body{grid-template-columns:1fr;}.case-metric{flex-direction:column;gap:6px;}}

/* ===== 申请合作 ===== */
.contact-grid{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start;}
.contact-side{background:var(--bg2);border-radius:20px;padding:40px 36px;}
.cs-title{font-size:16px;font-weight:600;color:var(--ink);letter-spacing:1px;margin-bottom:20px;}
.cs-list{list-style:none;padding:0;margin:0;}
.cs-list li{font-size:14px;color:var(--ink2);line-height:1.6;padding:12px 0;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;}
.cs-list li:last-child{border-bottom:none;}
.cs-ic{color:var(--brand);font-weight:600;flex-shrink:0;}
.cs-steps{list-style:none;padding:0;margin:0;counter-reset:step;}
.cs-steps li{font-size:14px;color:var(--ink2);line-height:1.6;padding:12px 0;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;}
.cs-steps li:last-child{border-bottom:none;}
.cs-no{width:24px;height:24px;border-radius:50%;background:#fff;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:12px;color:var(--brand);font-weight:600;flex-shrink:0;}
.f-label{font-size:13px;color:var(--grey);letter-spacing:2px;display:block;margin-bottom:10px;}
.f-input{width:100%;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:12px;color:var(--ink);font-size:15px;outline:none;font-family:inherit;transition:.2s;box-sizing:border-box;}
.f-input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(230,106,43,.1);}
.f-input::placeholder{color:#b0b0b5;}
select.f-input{appearance:none;-webkit-appearance:none;}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr;}.contact-side{padding:32px 24px;}}

footer{border-top:1px solid var(--line);padding:40px 0;background:var(--bg2);}
footer .f-row{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;}
footer .copy{font-size:12px;color:var(--grey);letter-spacing:.5px;}
footer .copy a{color:var(--grey);text-decoration:none;transition:.3s;}
footer .copy a:hover{color:var(--brand);}
footer .links{display:flex;gap:28px;}
footer .links a{font-size:13px;color:var(--ink2);letter-spacing:1px;cursor:pointer;transition:.3s;}
footer .links a:hover{color:var(--brand);}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1);}
.reveal.in{opacity:1;transform:none;}

/* 汉堡按钮 + 移动端菜单 */
.burger{display:none;position:absolute;right:24px;top:50%;transform:translateY(-50%);width:44px;height:44px;background:transparent;border:none;cursor:pointer;padding:0;z-index:102;}
.burger span{display:block;width:22px;height:2px;background:var(--ink);margin:5px auto;border-radius:2px;transition:.3s;}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.open span:nth-child(2){opacity:0;}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-menu{display:none;position:fixed;top:72px;left:0;right:0;background:rgba(255,255,255,.98);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--line);padding:12px 24px 24px;z-index:101;}
.mobile-menu.open{display:block;animation:fadein .25s ease;}
.mobile-menu a{display:block;padding:14px 8px;font-size:16px;color:var(--ink);letter-spacing:.5px;border-bottom:1px solid var(--line);cursor:pointer;}
.mobile-menu a:last-child{border-bottom:none;}
.mobile-menu a.on{color:var(--brand);font-weight:600;}
@keyframes fadein{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:none;}}

@media(max-width:860px){
  .nav a:not(.cta){display:none;}
  .nav .cta{right:76px;}
  .burger{display:block;}
  .stats{grid-template-columns:1fr 1fr;gap:32px;}
  .case-grid{grid-template-columns:1fr;}
  .biz-item{grid-template-columns:1fr;}
  .biz-item .go{display:none;}
}