/* 建材出海 AI 工作台 · 响应式样式 */
:root{--navy:#123653;--blue:#246b9b;--teal:#168b78;--ink:#172b3a;--muted:#647789;
--line:#dce5ec;--bg:#f3f7fa;--card:#fff;--soft:#eaf2f7;--danger:#c0392b}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65;min-height:100vh;display:flex;flex-direction:column}
.container{max-width:1160px;margin:auto;padding:26px 20px;width:100%;flex:1}

/* 顶部导航 */
.topnav{background:var(--navy);color:#fff;position:sticky;top:0;z-index:50}
.nav-inner{max-width:1160px;margin:auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;min-height:56px}
.brand{color:#fff;font-weight:800;text-decoration:none;font-size:17px}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:22px;cursor:pointer}
.nav-links{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav-links a{color:#d9e8f1;text-decoration:none;padding:8px 11px;border-radius:8px;font-size:14px}
.nav-links a:hover{background:#ffffff18;color:#fff}
.nav-links a.btn-nav{background:var(--teal);color:#fff;font-weight:700}
.nav-user{color:#9fc3da;font-size:13px;padding:0 6px}
.admin-link{border:1px solid #ffffff55}

/* 首页 Hero */
.hero{background:linear-gradient(120deg,#102f4a,#1d628b);color:#fff;border-radius:20px;padding:44px 38px;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;width:320px;height:320px;border:1px solid #ffffff24;border-radius:50%;right:-90px;top:-130px;box-shadow:0 0 0 35px #ffffff0b,0 0 0 75px #ffffff08}
.hero h1{font-size:clamp(28px,5vw,44px);margin:10px 0;line-height:1.2}
.hero p{max-width:700px;color:#d9e8f1;margin:0 0 20px}
.pill{border:1px solid #ffffff55;border-radius:30px;padding:5px 13px;font-size:12px;margin-right:8px;display:inline-block;margin-bottom:6px}
.hero .cta{margin-top:22px}
.btn{display:inline-block;background:var(--teal);color:#fff;padding:11px 24px;border-radius:10px;text-decoration:none;font-weight:700;border:0;cursor:pointer;font-size:15px}
.btn.ghost{background:transparent;border:1px solid #ffffff77;color:#fff}
.btn.small{padding:6px 13px;font-size:13px}
.btn.gray{background:#8195a5}
.btn.red{background:var(--danger)}
.btn:hover{filter:brightness(1.08)}

/* 卡片与网格 */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.four{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 4px 14px #17364a08}
.card h3{margin:4px 0 8px;font-size:17px}
.card p{margin:0;color:var(--muted);font-size:14px}
.num{font-size:11px;font-weight:800;color:var(--teal);letter-spacing:1px}
.stat{text-align:center}
.stat .val{font-size:30px;font-weight:800;color:var(--navy)}
.stat .lbl{font-size:13px;color:var(--muted)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:14px;margin:30px 0 15px;flex-wrap:wrap}
.section-head h2{margin:0;font-size:23px}
.section-head p{margin:0;color:var(--muted);font-size:13px}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
.chip{background:var(--soft);color:#28516b;border-radius:7px;padding:4px 9px;font-size:12px}
.callout{background:#e8f3f4;border-left:4px solid var(--teal);padding:14px 18px;border-radius:9px;color:#244d50;margin:14px 0}

/* 表格 */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:12px}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
th,td{text-align:left;padding:11px 13px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#edf3f7;color:#29475c;font-weight:700;white-space:nowrap}
tr:last-child td{border-bottom:0}

/* 表单 */
form.inline{display:inline}
label{display:block;font-size:13px;font-weight:600;margin:12px 0 5px;color:#3a5265}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-family:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid #246b9b33;border-color:var(--blue)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 16px}
.form-actions{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}
.auth-card{max-width:420px;margin:40px auto}
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700}
.badge.s-线索{background:#eaf2f7;color:#28516b}.badge.s-已联系{background:#fff3dc;color:#8a6116}
.badge.s-已报价{background:#e3ecfb;color:#1f4f8f}.badge.s-成交{background:#e0f2ec;color:#0f6b58}
.badge.s-搁置{background:#f3e5e3;color:#8f3a30}
.badge.t-待处理{background:#eaf2f7;color:#28516b}.badge.t-进行中{background:#fff3dc;color:#8a6116}
.badge.t-已完成{background:#e0f2ec;color:#0f6b58}.badge.t-失败{background:#f3e5e3;color:#8f3a30}

.flash{max-width:1120px;margin:14px auto 0;padding:11px 18px;background:#e0f2ec;color:#0f6b58;border-radius:10px;font-size:14px}
.footer{border-top:1px solid var(--line);color:var(--muted);font-size:12px;text-align:center;padding:18px;margin-top:30px}
.quote-item{display:grid;grid-template-columns:2fr 1fr 1fr 1fr auto;gap:8px;align-items:center;margin-bottom:8px}
.empty{color:var(--muted);text-align:center;padding:34px 10px;font-size:14px}

/* 移动端自适应 */
@media(max-width:860px){
  .nav-toggle{display:block}
  .nav-links{display:none;width:100%;flex-direction:column;align-items:stretch;padding:8px 0 14px}
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 13px}
  .grid,.grid.three,.grid.four{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .hero{padding:28px 22px}
  .quote-item{grid-template-columns:1fr 1fr;grid-auto-rows:auto}
}

/* ================= 高级感首页 Landing ================= */
.landing{background:#0b2239;color:#fff;margin:-26px -20px 0;width:calc(100% + 40px)}
.land-wrap{max-width:1160px;margin:auto;padding:0 22px}

/* Hero */
.hero2{position:relative;padding:90px 0 70px;overflow:hidden}
.hero2:before{content:"";position:absolute;inset:0;background:
 radial-gradient(600px 400px at 85% 10%,#1d628b55,transparent 60%),
 radial-gradient(500px 380px at 10% 90%,#168b7840,transparent 60%)}
.hero2 .land-wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:8px;border:1px solid #ffffff33;border-radius:30px;padding:7px 16px;font-size:12px;letter-spacing:2px;color:#b9d9eb;background:#ffffff0d}
.hero2 h1{font-size:clamp(32px,4.6vw,54px);line-height:1.15;margin:22px 0 18px;font-weight:800}
.hero2 h1 .grad{background:linear-gradient(100deg,#6fd6c0,#8fd0f0);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero2 .sub{color:#c6d9e6;font-size:17px;max-width:560px;margin:0 0 30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn-gold{background:linear-gradient(120deg,#e8c37a,#d9a94e);color:#22303c;box-shadow:0 8px 24px #d9a94e33;font-weight:800}
.btn-gold:hover{filter:brightness(1.05)}
.btn-outline{background:transparent;border:1px solid #ffffff55;color:#fff}
.hero-stats{display:flex;gap:0;margin-top:44px;border-top:1px solid #ffffff1c;padding-top:24px;flex-wrap:wrap}
.hero-stats .hs{padding-right:34px;margin-right:34px;border-right:1px solid #ffffff1c}
.hero-stats .hs:last-child{border:0}
.hs .n{font-size:26px;font-weight:800;color:#fff}
.hs .n small{font-size:14px;color:#e8c37a;font-weight:800}
.hs .t{font-size:12px;color:#9db6c7;margin-top:2px}
/* Hero 右侧悬浮卡片 */
.hero-visual{position:relative;min-height:360px}
.glass{background:#ffffff12;border:1px solid #ffffff2b;border-radius:18px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:20px;box-shadow:0 20px 50px #00000042}
.gv-main{position:absolute;top:16px;left:0;right:30px;animation:float 6s ease-in-out infinite}
.gv-a{position:absolute;bottom:36px;right:0;width:270px;animation:float 6s ease-in-out 1.4s infinite}
.gv-b{position:absolute;bottom:-6px;left:6px;width:250px;animation:float 7s ease-in-out .7s infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.gv-row{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px solid #ffffff14;font-size:13px}
.gv-row:last-child{border:0}
.gv-title{font-size:13px;font-weight:800;color:#e8c37a;letter-spacing:1px;margin-bottom:6px}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:8px}
.up{color:#6fd6c0}.num-sm{font-weight:700}

/* 区块通用 */
.sec{padding:78px 0}
.sec-head2{text-align:center;max-width:640px;margin:0 auto 46px}
.sec-head2 .kicker{margin-bottom:16px}
.sec-head2 h2{font-size:clamp(24px,3.2vw,36px);margin:0 0 12px;font-weight:800}
.sec-head2 p{color:#9db6c7;margin:0;font-size:15px}
.dark{background:#081c30}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{background:linear-gradient(160deg,#ffffff10,#ffffff05);border:1px solid #ffffff1c;border-radius:18px;padding:28px 24px;transition:.3s;position:relative;overflow:hidden}
.feat:hover{transform:translateY(-6px);border-color:#e8c37a66;box-shadow:0 18px 40px #00000045}
.feat .ic{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;background:linear-gradient(135deg,#1d628b,#168b78);margin-bottom:16px}
.feat h3{margin:0 0 8px;font-size:17px;color:#fff}
.feat p{margin:0;color:#9db6c7;font-size:13.5px}
.feat .tag{display:inline-block;margin-top:14px;font-size:11px;color:#e8c37a;border:1px solid #e8c37a44;border-radius:20px;padding:3px 10px}

/* 流程时间线 */
.flow2{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.flow2 .step2{text-align:center;padding:0 18px;position:relative}
.step2 .no{width:52px;height:52px;border-radius:50%;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;background:linear-gradient(135deg,#1d628b,#168b78);border:2px solid #ffffff2e;position:relative;z-index:1}
.flow2:before{content:"";position:absolute;top:26px;left:12%;right:12%;height:1px;background:linear-gradient(90deg,transparent,#e8c37a66,transparent)}
.step2 h4{margin:0 0 6px;color:#fff;font-size:15px}
.step2 p{margin:0;color:#9db6c7;font-size:12.5px}

/* 行业表 */
.cats{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.cat-chip{border:1px solid #ffffff22;background:#ffffff0a;border-radius:14px;padding:14px 22px;font-size:14px;transition:.25s}
.cat-chip:hover{border-color:#e8c37a88;background:#e8c37a14;transform:translateY(-3px)}
.cat-chip b{color:#e8c37a}

/* CTA */
.cta-band{background:linear-gradient(120deg,#123653,#1d628b);border-radius:24px;padding:52px 44px;text-align:center;position:relative;overflow:hidden}
.cta-band:before{content:"";position:absolute;width:300px;height:300px;border:1px solid #ffffff24;border-radius:50%;right:-70px;top:-110px;box-shadow:0 0 0 40px #ffffff0b,0 0 0 85px #ffffff07}
.cta-band h2{margin:0 0 10px;font-size:clamp(22px,3vw,32px)}
.cta-band p{color:#c6d9e6;margin:0 0 26px}

@media(max-width:900px){
  .hero2{padding:56px 0 50px}
  .hero2 .land-wrap{grid-template-columns:1fr;gap:60px}
  .hero-visual{min-height:340px}
  .feat-grid{grid-template-columns:1fr}
  .flow2{grid-template-columns:1fr;gap:26px}
  .flow2:before{display:none}
  .hero-stats .hs{padding-right:20px;margin-right:20px}
  .sec{padding:56px 0}
}

/* ================= 自适应修复 v20261104b ================= */
/* 两栏分栏布局（表单 + 列表），移动端自动变单列 */
.grid.split{grid-template-columns:1fr 1.4fr;align-items:start}
/* 报价单行网格的移动端兜底 */
@media(max-width:860px){
  .grid.split{grid-template-columns:1fr}
  .quote-item{grid-template-columns:1fr}
  .table-wrap{border-radius:10px}
  input,select,textarea{font-size:16px}   /* 防止 iOS 聚焦自动放大 */
}
/* 首页 Hero 悬浮卡片：小屏改为纵向排列，避免重叠 */
@media(max-width:900px){
  .hero-visual{min-height:auto;display:grid;gap:14px;margin-top:10px}
  .hero-visual .glass{position:static;width:auto;animation:none}
  .hero-stats{gap:16px}
  .hero-stats .hs{border:0;padding-right:0;margin-right:0;min-width:42%}
  .cta-band{padding:36px 22px}
  .landing{margin:-16px -13px 0;width:calc(100% + 26px)}
}
/* 超小屏微调 */
@media(max-width:400px){
  .hero2 h1{font-size:30px}
  .hero-stats .hs{min-width:100%}
  .cat-chip{width:100%;text-align:center}
}

/* ================= 移动端加固 v20261104c ================= */
html,body{max-width:100%;overflow-x:clip}
.topnav{width:100%}
.btn{white-space:nowrap}
@media(max-width:860px){
  .nav-inner{padding:0 14px}
  .container{max-width:100%}
}
/* 顶栏搜索/筛选行：窄屏按钮不换行、输入框占满剩余空间 */
.container form[style*="display:flex"]{flex-wrap:wrap}
.container form[style*="display:flex"] input{flex:1;min-width:0}
/* 表格在窄屏滚动更顺滑 */
.table-wrap{-webkit-overflow-scrolling:touch}

/* ================= 网格溢出根因修复 v20261104d ================= */
/* 关键：网格/弹性子项默认 min-width:auto，会被内部表格(min-width:560px)撑破，
   导致整页横向溢出、手机浏览器缩小页面显示（表现为"没自适应"） */
.grid > *, .nav-inner > *, .hero-cta > *{min-width:0}
.table-wrap{max-width:100%;overflow-x:auto}
.grid.split .table-wrap{min-width:0}
/* 表格窄屏时压缩最小宽度，减少横向滚动距离 */
@media(max-width:860px){
  table{min-width:480px}
}

/* ================= 左侧可收起侧边栏 v20261104h ================= */
.sb-burger{display:none;position:fixed;top:10px;left:10px;z-index:130;background:var(--navy);color:#fff;border:0;border-radius:10px;width:40px;height:40px;font-size:19px;cursor:pointer;box-shadow:0 4px 14px #0005}
.sidebar{position:fixed;top:0;left:0;bottom:0;width:230px;background:linear-gradient(180deg,#0b2239,#123653);color:#fff;z-index:110;display:flex;flex-direction:column;transition:transform .25s,width .25s;overflow-y:auto;overflow-x:hidden}
.sb-head{padding:18px 16px;font-weight:800;font-size:16px;border-bottom:1px solid rgba(255,255,255,.1);white-space:nowrap;overflow:hidden}
.sb-nav{flex:1;padding:10px 8px;display:flex;flex-direction:column;gap:2px}
.sb-nav a{display:flex;align-items:center;gap:10px;color:#c6d9e6;text-decoration:none;padding:9px 12px;border-radius:9px;font-size:14px;white-space:nowrap}
.sb-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.sb-nav a.on{background:#1d628b;color:#fff;font-weight:700}
.sb-div{margin:12px 12px 4px;font-size:11px;color:#7fa3ba;letter-spacing:2px;white-space:nowrap}
.sb-foot{padding:12px 14px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#c6d9e6;display:flex;justify-content:space-between;align-items:center;gap:8px;white-space:nowrap}
.sb-foot a{color:#9fc3d8;text-decoration:none}
.sb-foot a:hover{color:#fff}
.sb-user{overflow:hidden;text-overflow:ellipsis}
.sb-scrim{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:105}
.sb-wrap{margin-left:230px;transition:margin-left .25s;min-height:100vh;display:flex;flex-direction:column}
.sb-wrap .container{flex:1;width:100%}
.sb-wrap .footer{margin-left:0}
/* 收起态（仅桌面） */
body.sb-min .sidebar{width:64px}
body.sb-min .sb-head{font-size:0;padding:18px 6px;text-align:center}
body.sb-min .sb-nav a{justify-content:center;padding:9px 6px}
body.sb-min .sb-nav a span{display:none}
body.sb-min .sb-div{font-size:12px;text-align:center;letter-spacing:0;margin:12px 4px 4px;overflow:hidden}
body.sb-min .sb-foot{justify-content:center;padding:12px 6px}
body.sb-min .sb-foot .sb-user{display:none}
body.sb-min .sb-wrap{margin-left:64px}
/* 移动端固定顶栏 */
.sb-topbar{display:none}
/* 移动端：抽屉式 */
@media(max-width:900px){
  .sb-burger{display:none}
  .sb-topbar{display:flex;position:fixed;top:0;left:0;right:0;height:52px;background:var(--navy);color:#fff;z-index:100;align-items:center;gap:10px;padding:0 12px;box-shadow:0 2px 10px rgba(0,0,0,.2)}
  .tb-burger{background:none;border:0;color:#fff;font-size:20px;cursor:pointer;padding:6px 8px;margin-left:-6px}
  .tb-brand{font-weight:800;color:#fff;text-decoration:none;font-size:15px;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .tb-user{font-size:12.5px;color:#c6d9e6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:32vw}
  .sb-topbar>a{color:#9fc3d8;text-decoration:none;font-size:13px;white-space:nowrap}
  .sb-topbar>a:hover{color:#fff}
  body.sb-open .sb-head{padding-left:58px}
  .sidebar{transform:translateX(-100%);width:240px;box-shadow:4px 0 24px rgba(0,0,0,.35);z-index:120}
  body.sb-open .sidebar{transform:none}
  body.sb-open .sb-scrim{display:block}
  .sb-wrap{margin-left:0 !important}
  body.sb-min .sidebar{width:240px}
  body.sb-min .sb-head{font-size:16px;padding:18px 16px;text-align:left}
  body.sb-min .sb-nav a{justify-content:flex-start;padding:9px 12px}
  body.sb-min .sb-nav a span{display:inline}
  body.sb-min .sb-div{font-size:11px;text-align:left;letter-spacing:2px}
  body.sb-min .sb-foot{justify-content:space-between;padding:12px 14px}
  body.sb-min .sb-foot .sb-user{display:inline}
  .sb-wrap .container{padding-top:70px}
}