/* ========================================
   CodeMatch Freight - 全球货代货主撮合平台
   主样式表 v6 — Google Material Design 3
   ======================================== */

/* === MD3 Design Tokens === */
:root {
  /* Primary */
  --md-primary: #0B57D0;
  --md-on-primary: #FFFFFF;
  --md-primary-container: #D3E3FD;
  --md-on-primary-container: #041E49;

  /* Secondary */
  --md-secondary: #505A6F;
  --md-on-secondary: #FFFFFF;
  --md-secondary-container: #DCE1F0;
  --md-on-secondary-container: #0D172E;

  /* Tertiary */
  --md-tertiary: #6750A4;
  --md-tertiary-container: #EADDFF;

  /* Surface */
  --md-surface: #FFFFFF;
  --md-surface-dim: #F8FAFD;
  --md-surface-bright: #FFFFFF;
  --md-surface-container-low: #F3F6FC;
  --md-surface-container: #EDF0F7;
  --md-surface-container-high: #E6EAF1;
  --md-on-surface: #1C1B1F;
  --md-on-surface-variant: #44464F;
  --md-on-surface-muted: #5E6069;

  /* Outline */
  --md-outline: #74777F;
  --md-outline-variant: #C4C6D0;
  --md-outline-subtle: #E1E3E9;

  /* Semantic */
  --md-error: #BA1A1A;
  --md-error-container: #FFDAD6;
  --md-on-error-container: #410002;
  --md-success: #1B7A2D;
  --md-success-container: #C5E8CC;
  --md-warning: #8C5800;
  --md-warning-container: #FFDDB3;

  /* Elevation / Shape */
  --md-elevation-1: 0 1px 2px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.04);
  --md-elevation-2: 0 1px 2px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
  --md-elevation-3: 0 1px 3px rgba(0,0,0,.08), 0 4px 8px rgba(0,0,0,.06);
  --md-elevation-4: 0 2px 4px rgba(0,0,0,.08), 0 6px 12px rgba(0,0,0,.06);
  --md-elevation-5: 0 4px 8px rgba(0,0,0,.08), 0 12px 24px rgba(0,0,0,.08);

  --md-shape-xs: 4px;
  --md-shape-sm: 8px;
  --md-shape-md: 12px;
  --md-shape-lg: 16px;
  --md-shape-xl: 20px;
  --md-shape-2xl: 24px;
  --md-shape-full: 9999px;

  --max-width: 1200px;

  /* Transitions */
  --md-duration-short: 150ms;
  --md-duration-medium: 250ms;
  --md-duration-long: 350ms;
  --md-easing-standard: cubic-bezier(.2,0,0,1);
  --md-easing-emphasized: cubic-bezier(.05,.7,.1,1);
}

/* === RESET === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}
body{
  font-family:"PingFang SC","Microsoft YaHei","SimHei",sans-serif;
  font-size:14px;
  line-height:1.5;
  color:var(--md-on-surface);
  background:var(--md-surface-dim);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

/* Material Symbols */
.material-symbols-outlined{
  font-variation-settings:'FILL'0,'wght'300,'GRAD'0,'opsz'24;
  font-size:20px;line-height:1;vertical-align:middle;display:inline-block;
}

a{color:var(--md-on-surface-variant);text-decoration:none;transition:color var(--md-duration-short) var(--md-easing-standard)}
a:hover{color:var(--md-on-surface);text-decoration:none}
img{max-width:100%;height:auto}

/* === Container === */
.container{max-width:var(--max-width);margin:0 auto;padding:0 clamp(16px,3vw,24px)}

/* ========================================
   HEADER — Google Material Top App Bar
   ======================================== */
.header{
  background:var(--md-surface);
  position:sticky;top:0;z-index:99;
  border-bottom:1px solid var(--md-outline-subtle);
  transition:box-shadow var(--md-duration-short) var(--md-easing-standard);
}
.header.scrolled{box-shadow:var(--md-elevation-2)}

.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;gap:16px;
}
@media(min-width:600px){.header-inner{height:64px}}

/* Logo */
.logo{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:500;
  color:var(--md-on-surface);white-space:nowrap;
  letter-spacing:-0.2px;
}
.logo i{color:var(--md-primary);font-size:22px}
.logo:hover{color:var(--md-on-surface);opacity:.85}

/* Nav */
.nav{display:flex;align-items:center;gap:2px}
.nav-link{
  display:flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--md-shape-full);
  color:var(--md-on-surface-variant);
  font-size:14px;font-weight:500;line-height:1.25;
  transition:all var(--md-duration-short) var(--md-easing-standard);
  position:relative;
}
.nav-link:hover{background:rgba(11,87,208,.08);color:var(--md-on-surface)}
.nav-link.active{
  background:var(--md-primary-container);
  color:var(--md-on-primary-container);
  font-weight:500;
}

/* Header actions */
.header-actions{display:flex;align-items:center;gap:8px}

/* User Menu */
.user-menu{position:relative}
.user-menu-btn{
  display:flex;align-items:center;gap:8px;
  cursor:pointer;background:transparent;
  border:1px solid var(--md-outline-variant);
  padding:4px 14px 4px 4px;border-radius:var(--md-shape-full);
  font-size:13px;color:var(--md-on-surface-variant);
  transition:all var(--md-duration-short) var(--md-easing-standard);
}
.user-menu-btn:hover{background:var(--md-surface-container-low);border-color:var(--md-outline)}
.user-dropdown{
  display:none;position:absolute;top:calc(100% + 6px);right:0;
  background:var(--md-surface);border:1px solid var(--md-outline-variant);
  border-radius:var(--md-shape-md);box-shadow:var(--md-elevation-4);
  min-width:200px;padding:4px 0;z-index:200;
  animation:dropdownIn var(--md-duration-short) var(--md-easing-standard);
}
@keyframes dropdownIn{from{opacity:1;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
.user-dropdown.show{display:block}
.user-dropdown a{
  display:flex;align-items:center;gap:10px;padding:10px 16px;
  color:var(--md-on-surface);font-size:13px;
  transition:all var(--md-duration-short) var(--md-easing-standard);
}
.user-dropdown a:hover{background:var(--md-surface-container-low);color:var(--md-primary)}
.user-dropdown hr{margin:4px 0;border:none;border-top:1px solid var(--md-outline-subtle)}

/* Notification badge */
.notif-badge{
  position:absolute;top:-2px;right:-6px;
  background:var(--md-error);color:white;font-size:10px;
  width:18px;height:18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-weight:700;
}

/* Avatar */
.avatar-sm{
  width:30px;height:30px;border-radius:50%;
  background:var(--md-primary-container);color:var(--md-on-primary-container);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:600;
}

/* ========================================
   BUTTONS — MD3 Filled / Outlined / Text
   ======================================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 24px;border-radius:var(--md-shape-full);
  font-size:14px;font-weight:500;line-height:1.25;
  cursor:pointer;transition:all var(--md-duration-short) var(--md-easing-standard);
  border:none;white-space:nowrap;letter-spacing:0;
  -webkit-tap-highlight-color:transparent;touch-action:manipulation;
  font-family:inherit;
}
.btn:hover{text-decoration:none}

/* Primary — Filled */
.btn-primary{
  background:var(--md-primary);color:var(--md-on-primary);
  box-shadow:var(--md-elevation-1);
}
.btn-primary:hover{
  background:#0A4EB8;color:var(--md-on-primary);
  box-shadow:var(--md-elevation-2);
}
.btn-primary:active{background:#083D96;box-shadow:var(--md-elevation-1)}

/* Outlined */
.btn-outline{
  background:transparent;color:var(--md-primary);
  border:1px solid var(--md-outline-variant);
}
.btn-outline:hover{background:rgba(11,87,208,.04);border-color:var(--md-primary);color:var(--md-primary)}

/* Ghost / Text */
.btn-ghost{background:transparent;color:var(--md-on-surface-variant);border:1px solid transparent}
.btn-ghost:hover{background:rgba(0,0,0,.04);color:var(--md-on-surface)}

/* Sizes */
.btn-lg{padding:14px 32px;font-size:15px;height:48px}
.btn-sm{padding:6px 16px;font-size:12px;height:32px}
.btn-block{width:100%}

/* Icon button */
.btn-icon{
  position:relative;width:40px;height:40px;padding:0;
  border-radius:50%;border:none;background:transparent;
  color:var(--md-on-surface-variant);font-size:16px;
  transition:all var(--md-duration-short) var(--md-easing-standard);
}
.btn-icon:hover{background:rgba(0,0,0,.06);color:var(--md-on-surface)}

/* ========================================
   SECTIONS — MD3 spacing rhythm
   ======================================== */
.section{padding:clamp(40px,7vw,80px) 0}
.section-alt{background:var(--md-surface-container-low)}
.section-title{
  font-size:clamp(22px,3.5vw,32px);font-weight:400;
  color:var(--md-on-surface);margin-bottom:8px;
  letter-spacing:-0.25px;line-height:1.25;
  font-size: 20px;margin: 10px 0;
}
.section-desc{
  color:var(--md-on-surface-variant);
  margin-bottom:clamp(24px,4vw,40px);
  font-size:clamp(14px,1.8vw,16px);line-height:1.6;
}
.section-header{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:clamp(32px,5vw,48px);flex-wrap:wrap;gap:12px;
}

/* ========================================
   HERO PREMIUM — 上下叠层，文案 + 搜索 ~55vh
   ======================================== */
.hero-premium{
  position:relative;overflow:hidden;
  padding:clamp(36px,5vw,56px) 0 clamp(28px,4vw,40px);
  background:linear-gradient(135deg,#0A1628 0%,#0F2240 30%,#152D5A 60%,#0D1B3A 100%);
}
.hero-bg-gradient{
  position:absolute;inset:0;
  background:radial-gradient(ellipse 80% 50% at 50% 25%,rgba(11,87,208,.12) 0%,transparent 65%);
  pointer-events:none;
}
.hero-bg-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
  mask-image:radial-gradient(ellipse 60% 40% at 50% 30%,black 15%,transparent 65%);
}

/* 叠层容器 */
.hero-stack{
  position:relative;z-index:1;
  display:flex;flex-direction:column;align-items:center;
  gap:clamp(20px,3vw,32px);
}

/* 文案层：居中紧凑 */
.hero-content{
  text-align:center;max-width:720px;
  position:relative;z-index:2;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;background:rgba(11,87,208,.18);
  border:1px solid rgba(11,87,208,.25);
  border-radius:var(--md-shape-full);font-size:11px;color:#90B8F8;
  margin-bottom:clamp(10px,1.6vw,14px);
}
.hero-badge i{font-size:10px;color:#448AFF}
.hero-title{
  font-size:clamp(24px,4vw,40px);font-weight:700;color:#FFFFFF;
  line-height:1.2;margin-bottom:clamp(8px,1.2vw,12px);letter-spacing:-0.3px;
}
.hero-highlight{
  background:linear-gradient(90deg,#448AFF,#82B1FF);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  margin-left:6px;
}
.hero-desc{
  font-size:clamp(12px,1.4vw,14px);color:#A8C4E8;
  line-height:1.6;
  max-width:540px;margin-left:auto;margin-right:auto;
}
.hero-stats-row{
  display:flex;justify-content:center;gap:clamp(24px,4vw,40px);
  margin-top:clamp(20px,3vw,28px);
  padding:clamp(16px,2.5vw,24px) clamp(20px,3vw,32px);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--md-shape-md);
}
.hero-stat{flex:1;text-align:center}
.hero-stat-num{
  display:block;font-size:clamp(18px,2.5vw,26px);font-weight:700;color:#FFFFFF;
  margin-bottom:4px;
}
.hero-stat-label{font-size:12px;color:#7B9BC8}

/* 搜索层：卡片浮于下方，阴影营造层次 */
.hero-search-layer{
  position:relative;z-index:3;
  max-width:720px;width:100%;
}
.hero-search-layer .search-box{
  box-shadow:0 4px 24px rgba(0,0,0,.25),0 1px 3px rgba(0,0,0,.15);
  border:1px solid rgba(255,255,255,.08);
}

/* Responsive */
@media(max-width:768px){
  .hero-premium{padding:clamp(32px,6vw,44px) 0 clamp(24px,4vw,32px)}
  .hero-title{font-size:clamp(20px,5vw,28px)}
  .hero-desc{font-size:12px;max-width:100%}
  .hero-stats-row{gap:clamp(16px,3vw,24px)}
  .hero-stat-num{font-size:clamp(16px,3.5vw,20px)}
}
@media(max-width:480px){
  .hero-highlight{display:block;margin-left:0;margin-top:2px}
}

/* ========================================
   CORE MARKET
   ======================================== */
.core-market{background:var(--md-surface-dim)}
.core-block{margin-bottom:clamp(40px,6vw,64px)}
.core-block:last-child{margin-bottom:0}
.section-desc-sm{font-size:14px;color:var(--md-on-surface-variant);margin-top:8px}

/* ========================================
   SEARCH
   ======================================== */
.search-box{
  background:var(--md-surface);
  border:1px solid var(--md-outline-variant);
  border-radius:var(--md-shape-xl);
  padding:clamp(20px,3vw,32px);
  box-shadow:var(--md-elevation-1);
}
.search-box-lg{padding:clamp(24px,3.5vw,40px)}

/* Tabs — MD3 pill-style */
.search-tabs{
  display:flex;gap:0;margin-bottom:clamp(16px,2vw,24px);
  border-bottom:2px solid var(--md-outline-subtle);
  overflow-x:auto;-webkit-overflow-scrolling:touch;
}
.search-tabs::-webkit-scrollbar{display:none}
.search-tab{
  padding:10px 20px;border:none;background:transparent;
  font-size:14px;font-weight:500;color:var(--md-on-surface-variant);
  cursor:pointer;border-bottom:2px solid transparent;
  margin-bottom:-2px;
  transition:all var(--md-duration-short) var(--md-easing-standard);
  white-space:nowrap;flex-shrink:0;
  -webkit-tap-highlight-color:transparent;
  font-family:inherit;
}
.search-tab.active{color:var(--md-primary);border-bottom-color:var(--md-primary)}
.search-tab:hover{color:var(--md-on-surface)}

.search-panel{display:none}
.search-panel.active{display:block;animation:fadeSlideIn .2s var(--md-easing-standard)}
@keyframes fadeSlideIn{from{opacity:1;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

.search-form{width:100%}
.search-row{display:flex;gap:8px;align-items:flex-end;flex-wrap:wrap}
.search-row .input-group{flex:1;min-width:160px}

/* Input Group — MD3 outlined style */
.input-group{
  display:flex;align-items:center;
  border:1px solid var(--md-outline-variant);
  border-radius:var(--md-shape-full);
  overflow:hidden;background:var(--md-surface);
  transition:all var(--md-duration-short) var(--md-easing-standard);
}
.input-group:focus-within{border-color:var(--md-primary);box-shadow:0 0 0 2px rgba(11,87,208,.12)}
.input-group i{padding:0 12px;color:var(--md-on-surface-variant);font-size:16px;flex-shrink:0}
.input-group-lg{border-radius:var(--md-shape-full)}
.input-group-lg .search-input{padding:12px 16px;font-size:15px}
.search-input{
  flex:1;border:none;outline:none;
  padding:10px 14px;font-size:14px;color:var(--md-on-surface);
  background:transparent;min-width:0;font-family:inherit;
}
.search-input::placeholder{color:var(--md-on-surface-muted)}
.input-group .btn{border-radius:0;flex-shrink:0;margin:0;border-left:1px solid var(--md-outline-subtle);padding-left:20px;padding-right:20px}

.search-suggestions{
  margin-top:clamp(12px,2vw,16px);
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  font-size:13px;color:var(--md-on-surface-variant);
}
.search-suggestions a{
  color:var(--md-primary);padding:6px 16px;
  border-radius:var(--md-shape-full);
  background:var(--md-primary-container);
  font-weight:400;font-size:13px;
  transition:all var(--md-duration-short) var(--md-easing-standard);
}
.search-suggestions a:hover{background:#B7D4FB;color:var(--md-on-primary-container)}
.search-tips{margin-top:12px;font-size:12px;color:var(--md-on-surface-muted)}

@media(max-width:768px){
  .search-row{flex-direction:column}
  .search-row .input-group{width:100%;min-width:0}
  .search-row .btn{width:100%}
  .search-box{border-radius:var(--md-shape-lg)}
}

/* ========================================
   HS CATEGORY GRID (Legacy compact cards - kept for reference)
   ======================================== */
.hs-category-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(clamp(280px,38vw,340px),1fr));
  gap:clamp(10px,1.8vw,14px);
}
@media(max-width:768px){.hs-category-grid{grid-template-columns:1fr}}

/* ========================================
   CARGO GRID
   ======================================== */
.cargo-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(clamp(280px,38vw,320px),1fr));
  gap:clamp(18px,2.5vw,24px);
}
.cargo-grid-compact{grid-template-columns:repeat(auto-fill,minmax(clamp(240px,32vw,280px),1fr))}

.cargo-card{
  display:flex;flex-direction:column;
  background:var(--md-surface);
  border:1px solid var(--md-outline-subtle);
  border-radius:var(--md-shape-md);
  padding:clamp(16px,2.5vw,24px);
  transition:all var(--md-duration-medium) var(--md-easing-standard);
  color:inherit;text-decoration:none;cursor:pointer;
}
.cargo-card:hover{
  box-shadow:var(--md-elevation-2);border-color:var(--md-primary);
  color:inherit;text-decoration:none;transform:translateY(-1px);
}
.cargo-card:active{transform:scale(.99)}

.cargo-card-header{display:flex;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}
.cargo-date{font-size:11px;color:var(--md-on-surface-muted)}
.cargo-name{font-size:16px;font-weight:500;margin-bottom:10px;color:var(--md-on-surface);line-height:1.3}
.cargo-route{
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
  color:var(--md-on-surface-variant);font-size:13px;font-weight:400;flex-wrap:wrap;
}
.cargo-route .port{font-weight:500;color:var(--md-on-surface)}
.cargo-route i{color:var(--md-primary);font-size:12px}
.cargo-meta{
  display:flex;flex-wrap:wrap;gap:14px;margin-bottom:14px;
  font-size:12px;color:var(--md-on-surface-variant);
}
.cargo-meta i{margin-right:3px;opacity:.6}
.cargo-card-footer{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--md-outline-subtle);
  margin-top:auto;flex-wrap:wrap;gap:8px;
}
.cargo-company{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--md-on-surface-variant)}
.cargo-card-stats{display:flex;align-items:center;gap:12px;font-size:11px;color:var(--md-on-surface-muted)}
.cargo-card-stats .text-accent{color:var(--md-primary);font-weight:600}

@media(max-width:768px){
  .cargo-grid,.cargo-grid-compact{grid-template-columns:1fr}
}

/* ========================================
   BADGES
   ======================================== */
.badge{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:var(--md-shape-full);
  font-size:11px;font-weight:500;letter-spacing:0;
}
.badge-fcl{background:var(--md-primary-container);color:var(--md-on-primary-container)}
.badge-lcl{background:var(--md-success-container);color:var(--md-success)}
.badge-reefer{background:var(--md-tertiary-container);color:var(--md-tertiary)}
.badge-dg{background:var(--md-error-container);color:var(--md-error)}
.badge-oog{background:var(--md-warning-container);color:var(--md-warning)}
.badge-active{background:var(--md-success-container);color:var(--md-success)}
.badge-muted{background:var(--md-surface-container);color:var(--md-on-surface-variant)}
.badge-sh{background:var(--md-primary-container);color:var(--md-on-primary-container)}
.badge-forwarder{background:var(--md-warning-container);color:var(--md-warning)}
.badge-lg{padding:5px 14px;font-size:13px}

.hs-badge{
  display:inline-flex;align-items:center;
  background:var(--md-surface-container);
  color:var(--md-on-surface-variant);
  padding:3px 10px;border-radius:var(--md-shape-full);
  font-size:11px;font-family:inherit;font-weight:400;
}

/* ========================================
   FILTER BAR
   ======================================== */
.filter-bar{margin-bottom:clamp(20px,3vw,28px)}
.filter-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.filter-item{flex:1;min-width:140px;position:relative}
.filter-item i{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  color:var(--md-on-surface-variant);font-size:14px;pointer-events:none;z-index:1;
}
.filter-item input,.filter-item select{
  width:100%;padding:10px 14px 10px 38px;
  border:1px solid var(--md-outline-variant);
  border-radius:var(--md-shape-full);font-size:13px;
  outline:none;background:var(--md-surface);color:var(--md-on-surface);
  transition:all var(--md-duration-short) var(--md-easing-standard);
  font-family:inherit;
}
.filter-item select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2374777F' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:36px;
  appearance:none;-webkit-appearance:none;
}
.filter-item input:focus,.filter-item select:focus{
  border-color:var(--md-primary);box-shadow:0 0 0 2px rgba(11,87,208,.12);
}
.results-count{margin-bottom:clamp(16px,2.5vw,24px);font-size:13px;color:var(--md-on-surface-variant)}
.results-count strong{color:var(--md-on-surface);font-weight:600}

@media(max-width:768px){
  .filter-row{flex-direction:column}
  .filter-item{width:100%;min-width:0}
  .filter-row .btn{width:100%}
}

/* ========================================
   TABLES
   ======================================== */
.freight-table-wrap,.hs-table-wrap{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--md-outline-subtle);
  border-radius:var(--md-shape-md);background:var(--md-surface);
}
.freight-table-wrap::-webkit-scrollbar,.hs-table-wrap::-webkit-scrollbar{height:4px}
.freight-table-wrap::-webkit-scrollbar-thumb,.hs-table-wrap::-webkit-scrollbar-thumb{background:var(--md-outline-variant);border-radius:4px}

.freight-table,.hs-table{
  width:100%;min-width:600px;border-collapse:collapse;
  font-size:14px;
}
.freight-table{color:#1C1B1F}
.hs-table{color:var(--md-on-surface-variant)}
.freight-table th,.hs-table th{
  background:var(--md-surface-container-low);
  padding:12px 16px;text-align:left;font-weight:500;
  font-size:12px;color:#44464F;
  border-bottom:1px solid var(--md-outline-subtle);white-space:nowrap;
}
.freight-table td,.hs-table td{
  padding:12px 16px;border-bottom:1px solid var(--md-outline-subtle);white-space:nowrap;
}
.freight-table td{color:#1C1B1F}
.hs-table td{white-space:normal;word-break:break-word;color:var(--md-on-surface-variant)}
.freight-table td a{color:#0B57D0}
.hs-table td a{color:var(--md-on-surface-variant)}
.freight-table td .text-muted,.hs-table td .text-muted{color:#5E6069}
.freight-table tbody tr,.hs-table tbody tr{transition:all var(--md-duration-short) var(--md-easing-standard)}
.freight-table tbody tr:hover td,.hs-table tbody tr:hover td{background:rgba(11,87,208,.04)}
.freight-table tbody tr:last-child td,.hs-table tbody tr:last-child td{border-bottom:none}

.hs-code-link{
  color:var(--md-on-surface-variant);font-weight:500;font-size:14px;
  text-decoration:none;
}
a.hs-code-link:hover{text-decoration:none}

/* ========================================
   HS Code Detail — 监管条件 / 检验检疫类别
   ======================================== */
.detail-section-title{
  font-size:15px;margin-bottom:14px;
}
.detail-section-title i{
  color:var(--md-primary);margin-right:8px;font-size:13px;
}
.reg-card-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;
}
.reg-card{
  padding:16px 18px;background:var(--md-surface-container-low);
  border-radius:var(--md-shape-sm);border:1px solid var(--md-outline-subtle);
}
.reg-card-header{
  display:flex;align-items:center;gap:10px;margin-bottom:10px;
}
.reg-code-badge{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:26px;height:26px;background:var(--md-primary-container);
  color:var(--md-on-primary-container);border-radius:var(--md-shape-xs);
  font-size:14px;font-weight:700;
}
.reg-card-label{
  font-size:14px;font-weight:500;color:var(--md-on-surface);
}
.reg-card-desc{
  font-size:14px;color:var(--md-on-surface-variant);line-height:1.8;
}
/* 检验检疫类别 */
.insp-card-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;
}
.insp-card{
  padding:14px 16px;background:var(--md-surface-container-low);
  border-radius:var(--md-shape-sm);border:1px solid var(--md-outline-subtle);
}
.insp-card-code{
  font-size:14px;font-weight:700;color:var(--md-primary);margin-bottom:8px;
}
.insp-card-name{
  font-size:14px;font-weight:500;color:var(--md-on-surface);margin-bottom:6px;
}
.insp-card-desc{
  font-size:14px;color:var(--md-on-surface-variant);line-height:1.8;
}

/* ========================================
   AUTH — Login/Register
   ======================================== */
.auth-section{
  padding:clamp(48px,8vw,96px) 0;
  min-height:calc(100vh - 200px);
  display:flex;align-items:center;
  background:var(--md-surface-dim);
}
.auth-card{
  max-width:448px;width:100%;margin:0 auto;
  background:var(--md-surface);
  border:1px solid var(--md-outline-subtle);
  border-radius:var(--md-shape-xl);padding:clamp(28px,4vw,48px);
  box-shadow:var(--md-elevation-2);
}
.auth-title{font-size:clamp(22px,3vw,28px);font-weight:400;margin-bottom:8px}
.auth-desc{color:var(--md-on-surface-variant);margin-bottom:clamp(24px,3vw,32px);font-size:14px}

.auth-form .form-group{margin-bottom:clamp(16px,2vw,20px)}
.auth-form label{display:block;font-size:13px;font-weight:500;margin-bottom:8px;color:var(--md-on-surface)}
.auth-form .required{color:var(--md-error)}
.auth-form input[type="text"],
.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="number"],
.auth-form input[type="date"],
.auth-form select,
.auth-form textarea{
  width:100%;padding:12px 16px;
  border:1px solid var(--md-outline-variant);
  border-radius:var(--md-shape-sm);font-size:14px;
  outline:none;background:var(--md-surface);
  color:var(--md-on-surface);
  transition:all var(--md-duration-short) var(--md-easing-standard);
  font-family:inherit;appearance:none;-webkit-appearance:none;
}
.auth-form input:focus,.auth-form select:focus,.auth-form textarea:focus{
  border-color:var(--md-primary);box-shadow:0 0 0 2px rgba(11,87,208,.12);
}
.auth-form textarea{resize:vertical;min-height:80px}
.auth-form small{display:block;margin-top:4px;font-size:11px;color:var(--md-on-surface-muted)}

.form-row{display:grid;grid-template-columns:1fr 1fr;gap:clamp(12px,2vw,16px)}
@media(max-width:600px){.form-row{grid-template-columns:1fr}}

.input-with-select{
  display:flex;border:1px solid var(--md-outline-variant);
  border-radius:var(--md-shape-sm);overflow:hidden;
  transition:all var(--md-duration-short) var(--md-easing-standard);
}
.input-with-select:focus-within{border-color:var(--md-primary);box-shadow:0 0 0 2px rgba(11,87,208,.12)}
.input-with-select input{flex:1;border:none!important;border-radius:0!important;min-width:0}
.input-with-select select{
  width:auto;border:none!important;border-left:1px solid var(--md-outline-subtle)!important;
  border-radius:0!important;background:var(--md-surface);flex-shrink:0;
}

/* User Type Select */
.user-type-select{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
@media(max-width:500px){.user-type-select{grid-template-columns:1fr}}
.type-option{cursor:pointer}
.type-option input{display:none}
.type-card{
  display:flex;flex-direction:column;align-items:center;gap:6px;
  padding:clamp(14px,2vw,18px);
  border:1px solid var(--md-outline-variant);
  border-radius:var(--md-shape-md);text-align:center;
  transition:all var(--md-duration-medium) var(--md-easing-standard);
}
.type-card:hover{border-color:var(--md-primary);background:rgba(11,87,208,.04)}
.type-card i{font-size:22px;color:var(--md-on-surface-muted);transition:color var(--md-duration-short) var(--md-easing-standard)}
.type-card strong{font-size:13px}
.type-card span{font-size:11px;color:var(--md-on-surface-muted)}
.type-option input:checked+.type-card{border-color:var(--md-primary);background:var(--md-primary-container);box-shadow:0 0 0 2px rgba(11,87,208,.2)}
.type-option input:checked+.type-card i{color:var(--md-primary)}

/* Alerts */
.alert{
  padding:12px 16px;border-radius:var(--md-shape-sm);margin-bottom:16px;
  font-size:13px;font-weight:400;display:flex;align-items:center;gap:8px;
}
.alert::before{font-family:"Font Awesome 6 Free";font-weight:900;font-size:14px}
.alert-error{background:var(--md-error-container);color:var(--md-on-error-container);border:1px solid #FFB4AB}
.alert-error::before{content:"\f071"}
.alert-success{background:var(--md-success-container);color:var(--md-success);border:1px solid #A0D5AB}
.alert-success::before{content:"\f058"}

/* ========================================
   DASHBOARD
   ======================================== */
.dashboard-header{
  display:flex;align-items:flex-start;justify-content:space-between;
  margin-bottom:clamp(24px,3vw,32px);flex-wrap:wrap;gap:16px;
}
.dashboard-header h1{font-size:clamp(22px,3vw,28px);font-weight:400}
.dashboard-actions{display:flex;gap:8px;flex-wrap:wrap}

.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:clamp(12px,2vw,20px);margin-bottom:clamp(24px,3vw,32px);
}
@media(max-width:900px){.stats-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.stats-grid{grid-template-columns:1fr}}

.stat-card{
  display:flex;align-items:center;gap:clamp(14px,2vw,18px);
  padding:clamp(16px,2.5vw,24px);
  background:var(--md-surface);
  border:1px solid var(--md-outline-subtle);
  border-radius:var(--md-shape-md);
  transition:all var(--md-duration-medium) var(--md-easing-standard);
}
.stat-card:hover{box-shadow:var(--md-elevation-2);border-color:var(--md-primary);transform:translateY(-1px)}
.stat-icon{
  width:clamp(44px,5vw,52px);height:clamp(44px,5vw,52px);
  border-radius:var(--md-shape-sm);
  background:var(--md-primary-container);
  color:var(--md-on-primary-container);
  display:flex;align-items:center;justify-content:center;
  font-size:clamp(20px,2.5vw,24px);flex-shrink:0;
}
.stat-info .stat-number{font-size:clamp(22px,3vw,28px);margin-bottom:2px;font-weight:400;color:var(--md-on-surface)}
.stat-info .stat-label{font-size:12px;color:var(--md-on-surface-variant)}

.dashboard-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:clamp(16px,2.5vw,24px);
}
@media(max-width:768px){.dashboard-grid{grid-template-columns:1fr}}

.dashboard-card{
  background:var(--md-surface);
  border:1px solid var(--md-outline-subtle);
  border-radius:var(--md-shape-md);overflow:hidden;
}
.dashboard-card-full{grid-column:1/-1}

.card-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;border-bottom:1px solid var(--md-outline-subtle);
  background:var(--md-surface-container-low);flex-wrap:wrap;gap:8px;
}
.card-header h2{font-size:15px;font-weight:500}
.card-header a{font-size:13px;font-weight:500}

.card-empty{padding:clamp(32px,4vw,48px);text-align:center;color:var(--md-on-surface-muted)}
.card-empty p{margin-bottom:14px;font-size:14px}

.card-list-item{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 20px;border-bottom:1px solid var(--md-outline-subtle);
  transition:all var(--md-duration-short) var(--md-easing-standard);
  gap:10px;flex-wrap:wrap;
}
.card-list-item:hover{background:rgba(11,87,208,.04)}
.card-list-item:last-child{border-bottom:none}
.card-list-item strong{display:block;font-size:13px;font-weight:500}
.card-list-item .text-muted{font-size:12px}

/* ========================================
   PROFILE
   ======================================== */
.profile-layout{
  display:grid;grid-template-columns:1fr 1fr;
  gap:clamp(16px,2.5vw,24px);margin-top:clamp(20px,3vw,28px);
}
@media(max-width:768px){.profile-layout{grid-template-columns:1fr}}
.profile-card{
  background:var(--md-surface);border:1px solid var(--md-outline-subtle);
  border-radius:var(--md-shape-md);padding:clamp(20px,3vw,32px);
}
.profile-card h2{font-size:16px;font-weight:500;margin-bottom:clamp(16px,2.5vw,24px)}

/* ========================================
   DETAIL PAGE
   ======================================== */
.detail-layout{
  display:grid;grid-template-columns:1fr 320px;
  gap:clamp(20px,3vw,28px);
}
@media(max-width:900px){.detail-layout{grid-template-columns:1fr}}

.detail-card{
  background:var(--md-surface);border:1px solid var(--md-outline-subtle);
  border-radius:var(--md-shape-md);padding:clamp(20px,2.5vw,28px);
  margin-bottom:clamp(16px,2vw,24px);
}
.detail-header{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.detail-route{
  display:flex;align-items:center;gap:clamp(16px,3vw,28px);
  padding:clamp(16px,2.5vw,24px);
  background:var(--md-primary-container);
  border-radius:var(--md-shape-md);
  margin:clamp(16px,2.5vw,24px) 0;justify-content:center;flex-wrap:wrap;
}
.route-item{text-align:center}
.route-label{display:block;font-size:11px;color:var(--md-on-surface-variant);margin-bottom:2px;text-transform:uppercase;letter-spacing:.5px;font-weight:500}
.route-value{font-size:clamp(16px,2vw,20px);font-weight:500}
.route-arrow{color:var(--md-primary);font-size:clamp(18px,2.2vw,22px)}
.detail-info-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(clamp(130px,20vw,150px),1fr));
  gap:clamp(14px,2vw,20px);margin:clamp(16px,2.5vw,24px) 0;
}
.info-item label{display:block;font-size:11px;color:var(--md-on-surface-muted);margin-bottom:2px;text-transform:uppercase;font-weight:500;letter-spacing:.5px}
.info-item span{font-size:14px;font-weight:500}
.detail-description{margin-top:clamp(16px,2.5vw,24px);padding-top:clamp(16px,2.5vw,24px);border-top:1px solid var(--md-outline-subtle)}
.detail-description h3{font-size:15px;font-weight:500;margin-bottom:8px}
.detail-description p{color:var(--md-on-surface-variant);line-height:1.7;font-size:14px}

.sidebar-card{
  background:var(--md-surface);border:1px solid var(--md-outline-subtle);
  border-radius:var(--md-shape-md);padding:clamp(20px,2.5vw,28px);
  position:sticky;top:80px;
}
@media(max-width:900px){.sidebar-card{position:static;top:auto}}
.sidebar-card h3{font-size:15px;font-weight:500;margin-bottom:16px}
.company-info{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.company-avatar{
  width:44px;height:44px;border-radius:50%;
  background:var(--md-primary-container);
  color:var(--md-on-primary-container);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:600;flex-shrink:0;
}
.company-info h4{font-size:14px;font-weight:500}
.sidebar-link-btn{
  display:block;padding:8px 16px;background:var(--md-primary-container);
  color:var(--md-on-primary-container);border-radius:var(--md-shape-full);
  font-size:13px;font-weight:500;text-decoration:none;transition:all var(--md-duration-short);
  border:1px solid transparent;
}
.sidebar-link-btn:hover{background:var(--md-primary);color:var(--md-on-primary);border-color:var(--md-primary);}

/* Category Header */
.category-header{
  margin:clamp(20px,3vw,28px) 0;
  padding:clamp(20px,3vw,32px);
  background:var(--md-primary-container);
  border-radius:var(--md-shape-md);
}
.category-header h1{font-size:clamp(20px,2.8vw,26px);font-weight:400;margin-bottom:8px}
.category-desc{color:var(--md-on-surface-variant);font-size:14px;line-height:1.6}
.category-en{font-size:13px;color:var(--md-on-surface-muted);margin-top:4px;font-style:italic}
.category-actions{margin-top:clamp(16px,2.5vw,24px);display:flex;gap:10px;flex-wrap:wrap}

/* Breadcrumb */
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:12px;color:var(--md-on-surface-muted);
  margin-bottom:clamp(16px,2.5vw,24px);flex-wrap:wrap;
}
.breadcrumb a{color:var(--md-on-surface-muted);font-weight:400}
.breadcrumb a:hover{color:var(--md-primary)}
.breadcrumb i{font-size:8px;opacity:.5}
.breadcrumb span{color:var(--md-on-surface-variant);font-weight:400}

/* Pagination */
.pagination{
  display:flex;align-items:center;justify-content:center;
  gap:clamp(12px,2vw,20px);margin-top:clamp(24px,3.5vw,40px);flex-wrap:wrap;
}
.page-info{font-size:13px;color:var(--md-on-surface-variant)}

/* ========================================
   STEPS
   ======================================== */
.steps-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:clamp(20px,3vw,28px);margin-top:clamp(24px,3vw,32px);
}
@media(max-width:768px){.steps-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.steps-grid{grid-template-columns:1fr}}

.step-card{
  text-align:center;padding:clamp(24px,3vw,40px) clamp(16px,2vw,24px);
  background:var(--md-surface);border:1px solid var(--md-outline-subtle);
  border-radius:var(--md-shape-md);transition:all var(--md-duration-medium) var(--md-easing-standard);
  position:relative;overflow:hidden;
}
.step-card:hover{box-shadow:var(--md-elevation-2);border-color:var(--md-primary);transform:translateY(-1px)}
.step-number{
  width:44px;height:44px;border-radius:50%;
  background:var(--md-primary-container);color:var(--md-on-primary-container);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:500;margin:0 auto 16px;
}
.step-card h3{font-size:16px;font-weight:500;margin-bottom:8px}
.step-card p{font-size:13px;color:var(--md-on-surface-variant);line-height:1.6}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section{
  background:var(--md-surface-container-low);
  text-align:center;padding:clamp(48px,7vw,80px) 0;
}
.cta-section h2{font-size:clamp(24px,3.5vw,32px);font-weight:400;color:var(--md-on-surface);margin-bottom:12px}
.cta-section p{font-size:15px;color:var(--md-on-surface-variant);margin-bottom:clamp(24px,3vw,32px)}
.cta-actions{display:flex;flex-direction:column;align-items:center;gap:12px}
.cta-actions span{font-size:12px;color:var(--md-on-surface-muted)}

/* ========================================
   LINE PRICE CARDS
   ======================================== */
.line-price-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(clamp(300px,42vw,380px),1fr));
  gap:clamp(14px,2vw,20px);
}
.line-price-card{
  background:var(--md-surface);border:1px solid var(--md-outline-subtle);
  border-radius:var(--md-shape-md);padding:clamp(16px,2.5vw,24px);
  transition:all var(--md-duration-medium) var(--md-easing-standard);
}
.line-price-card:hover{box-shadow:var(--md-elevation-2);border-color:var(--md-primary);transform:translateY(-1px)}

.lp-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;flex-wrap:wrap;gap:8px}
.lp-date{font-size:11px;color:var(--md-on-surface-muted)}
.lp-route{
  display:flex;align-items:center;gap:clamp(12px,2vw,18px);
  padding:clamp(12px,2vw,16px);background:var(--md-surface-container-low);
  border-radius:var(--md-shape-md);margin-bottom:14px;
  justify-content:center;flex-wrap:wrap;
}
.lp-port strong{font-size:16px;font-weight:500}
.lp-arrow{color:var(--md-primary);font-size:16px}
.lp-prices{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.lp-price-item{
  flex:1;min-width:90px;text-align:center;
  padding:10px;background:var(--md-primary-container);
  border-radius:var(--md-shape-sm);
}
.lp-box{display:block;font-size:10px;color:var(--md-on-surface-variant);margin-bottom:2px;text-transform:uppercase;font-weight:500;letter-spacing:.3px}
.lp-val{font-size:clamp(16px,2vw,20px);font-weight:500;color:var(--md-on-primary-container)}
.lp-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--md-on-surface-variant)}
.lp-meta i{margin-right:3px;opacity:.6}
.lp-valid{font-size:11px;color:var(--md-on-surface-muted);margin-top:8px}
.lp-remark{font-size:12px;color:var(--md-on-surface-variant);margin-top:8px;padding-top:8px;border-top:1px solid var(--md-outline-subtle)}

@media(max-width:768px){.line-price-grid{grid-template-columns:1fr}}
@media(max-width:480px){.lp-prices{flex-direction:column}.lp-price-item{min-width:0}}

/* ========================================
   EMPTY STATE / PAGE HEADER
   ======================================== */
.empty-state{
  text-align:center;padding:clamp(40px,6vw,64px) clamp(16px,3vw,24px);
  color:var(--md-on-surface-muted);
}
.empty-state i{font-size:clamp(36px,5vw,48px);margin-bottom:16px;opacity:.25;color:var(--md-primary)}
.empty-state p{margin-bottom:16px;font-size:15px}

.page-header{
  margin-bottom:clamp(24px,3vw,32px);
  display:flex;flex-wrap:wrap;align-items:center;gap:clamp(12px,2vw,20px);
}
.page-header h1{font-size:clamp(22px,3vw,28px);font-weight:400;flex:1;min-width:200px}
.page-header p{color:var(--md-on-surface-variant);font-size:14px;width:100%;margin-top:-4px}

/* ========================================
   FOOTER — Google clean style
   ======================================== */
.footer{
  background:var(--md-surface-container-low);
  color:var(--md-on-surface-variant);
  padding:clamp(40px,5vw,56px) 0 clamp(20px,3vw,28px);
  border-top:1px solid var(--md-outline-subtle);
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;
  gap:clamp(24px,4vw,40px);margin-bottom:clamp(28px,4vw,40px);
}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr;gap:28px}}

.footer-brand h3{
  font-size:16px;font-weight:500;color:var(--md-on-surface);
  margin-bottom:10px;display:flex;align-items:center;gap:8px;
}
.footer-brand h3 i{color:var(--md-primary)}
.footer-brand p{font-size:13px;line-height:1.7;color:var(--md-on-surface-variant)}

.footer-links h4{
  color:var(--md-on-surface);font-size:13px;margin-bottom:14px;font-weight:500;
}
.footer-links a{
  display:block;color:var(--md-on-surface-variant);
  font-size:13px;padding:4px 0;
  transition:all var(--md-duration-short) var(--md-easing-standard);
}
.footer-links a:hover{color:var(--md-primary);padding-left:4px}

.footer-contact h4{
  color:var(--md-on-surface);font-size:13px;margin-bottom:14px;font-weight:500;
}
.footer-contact p{font-size:13px;margin-bottom:8px;color:var(--md-on-surface-variant)}
.footer-contact i{margin-right:8px;width:14px;color:var(--md-primary)}

.footer-bottom{
  border-top:1px solid var(--md-outline-subtle);
  padding-top:clamp(14px,2vw,20px);text-align:center;
  font-size:12px;color:var(--md-on-surface-muted);
}

/* ========================================
   PRICE BLURRED
   ======================================== */
.price-blurred{color:var(--md-on-surface-muted);font-size:13px;letter-spacing:2px;user-select:none;filter:blur(3px)}

/* ========================================
   CONTACT REVEAL
   ======================================== */
.contact-reveal{animation:fadeInUp .2s var(--md-easing-standard)}
.contact-item{display:flex;align-items:center;gap:8px;padding:6px 0;font-size:13px;color:var(--md-on-surface)}
.contact-item i{width:16px;color:var(--md-on-surface-muted);font-size:13px;text-align:center}

@keyframes fadeInUp{from{opacity:1;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

/* ========================================
   BACK TO TOP — FAB
   ======================================== */
.btn-back-to-top{
  position:fixed;bottom:24px;right:24px;z-index:50;
  width:48px;height:48px;border-radius:var(--md-shape-full);
  background:var(--md-primary-container);color:var(--md-on-primary-container);
  border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:18px;box-shadow:var(--md-elevation-2);
  opacity:1;transform:translateY(12px);pointer-events:none;
  transition:all var(--md-duration-medium) var(--md-easing-emphasized);
}
.btn-back-to-top.visible{opacity:1;transform:translateY(0);pointer-events:auto}
.btn-back-to-top:hover{background:var(--md-primary);color:var(--md-on-primary);box-shadow:var(--md-elevation-3)}
.btn-back-to-top:active{transform:scale(.92)}

/* ========================================
   TEXT UTILITIES
   ======================================== */
.text-muted{color:var(--md-on-surface-muted)}
.text-danger{color:var(--md-error)!important}
.text-accent{color:var(--md-primary)!important}

/* ========================================
   SCROLL ANIMATIONS
   ======================================== */
.animate-on-scroll{transition:opacity .5s var(--md-easing-standard),transform .5s var(--md-easing-standard)}
.animate-on-scroll.visible{opacity:1;transform:translateY(0)}

/* ========================================
   MOBILE TOGGLE & RESPONSIVE NAV
   ======================================== */
.mobile-toggle{
  display:none;background:none;border:none;
  font-size:20px;cursor:pointer;color:var(--md-on-surface-variant);
  width:40px;height:40px;border-radius:50%;
  transition:all var(--md-duration-short) var(--md-easing-standard);
  -webkit-tap-highlight-color:transparent;touch-action:manipulation;
}
.mobile-toggle:hover{background:rgba(0,0,0,.06);color:var(--md-on-surface)}

@media(max-width:1024px){
  .nav-link{padding:8px 12px;font-size:13px}
}

@media(max-width:768px){
  .mobile-toggle{display:flex;align-items:center;justify-content:center}
  .nav{
    display:flex;flex-direction:column;position:absolute;
    top:100%;left:0;right:0;
    background:var(--md-surface);
    border-bottom:1px solid var(--md-outline-subtle);
    padding:4px;box-shadow:var(--md-elevation-4);z-index:100;
    max-height:0;overflow:hidden;opacity:1;
    transition:max-height .3s var(--md-easing-standard),opacity .2s var(--md-easing-standard),padding .3s var(--md-easing-standard);
  }
  .nav.show{max-height:360px;opacity:1;padding:8px}
  .nav-link{width:100%;padding:12px 16px;border-radius:var(--md-shape-sm);color:var(--md-on-surface-variant);font-size:14px}
  .nav-link:hover{color:var(--md-on-surface);background:rgba(0,0,0,.04)}
  .header-actions .btn:not(.btn-icon){display:none}
  .header-inner{gap:8px}
}

@media(max-width:480px){
  .header-inner{height:56px}
  .logo{font-size:15px}
  .nav-link{padding:10px 14px;font-size:13px}
}

/* ========================================
   HS ACCORDION
   ======================================== */
.hs-accordion{display:flex;flex-direction:column;gap:8px}

.hs-accordion details{
  background:var(--md-surface);border:1px solid var(--md-outline-subtle);
  border-radius:var(--md-shape-md);overflow:hidden;
  transition:all var(--md-duration-medium) var(--md-easing-standard);
}
.hs-accordion details:hover{border-color:var(--md-primary)}

.hs-accordion summary{
  display:flex;align-items:center;justify-content:space-between;
  padding:clamp(12px,2vw,16px)clamp(16px,2.5vw,24px);
  cursor:pointer;background:var(--md-surface);
  transition:background var(--md-duration-short) var(--md-easing-standard);
  list-style:none;
}
.hs-accordion summary::-webkit-details-marker{display:none}
.hs-accordion details[open] summary{background:var(--md-primary-container);border-bottom:1px solid #B7D4FB}

.hs-accordion .acc-summary-left{display:flex;align-items:center;gap:clamp(12px,2vw,18px);flex:1;min-width:0}
.hs-accordion .acc-cat-num{font-size:15px;font-weight:500;color:var(--md-primary);min-width:40px}
.hs-accordion .acc-cat-name{font-size:15px;font-weight:500;color:var(--md-on-surface)}
.hs-accordion .acc-count{font-size:11px;font-weight:500;color:var(--md-success);background:var(--md-success-container);padding:3px 12px;border-radius:var(--md-shape-full);white-space:nowrap}
.hs-accordion .acc-arrow{color:var(--md-on-surface-muted);font-size:16px;transition:transform var(--md-duration-medium) var(--md-easing-standard);flex-shrink:0}
.hs-accordion details[open] .acc-arrow{transform:rotate(180deg);color:var(--md-primary)}

.hs-accordion .acc-content{
  padding:clamp(14px,2vw,18px)clamp(16px,2.5vw,24px);
  display:grid;grid-template-columns:repeat(2,1fr);gap:6px clamp(20px,3vw,28px);
}
@media(max-width:600px){.hs-accordion .acc-content{grid-template-columns:1fr}}

.hs-accordion .acc-chapter{
  display:flex;align-items:center;gap:10px;padding:8px 12px;
  border-radius:var(--md-shape-sm);
  transition:all var(--md-duration-short) var(--md-easing-standard);
  text-decoration:none;color:var(--md-on-surface-variant);font-size:13px;
}
.hs-accordion .acc-chapter:hover{background:rgba(11,87,208,.08);color:var(--md-primary)}
.hs-accordion .acc-chapter .acc-chapter-code{
  font-size:12px;font-weight:400;color:var(--md-on-surface-muted);min-width:36px;
}
.hs-accordion .acc-chapter:hover .acc-chapter-code{color:var(--md-primary)}

.hs-accordion .acc-empty{
  display:flex;align-items:center;gap:8px;padding:8px 12px;
  color:var(--md-on-surface-muted);font-size:13px;grid-column:1/-1;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-20{margin-top:20px}.mt-24{margin-top:24px}.mt-30{margin-top:30px}.mt-40{margin-top:40px}
.mb-12{margin-bottom:12px}.mb-24{margin-bottom:24px}
.ml-auto{margin-left:auto}.ml-8{margin-left:8px}.mr-4{margin-right:4px}
.pt-0{padding-top:0}.pt-16{padding-top:16px}
.nav-icon{margin-right:4px;font-size:12px}
.footer-contact-note{margin-top:8px;font-size:11px;color:var(--md-on-surface-muted)}
.form-inline{display:inline}
.card-center-hint{text-align:center;padding:24px}
.page-h1{margin-bottom:24px;font-size:24px;font-weight:400}
.detail-remark td{font-size:13px;color:var(--md-on-surface-variant);padding-top:0}
.tr-clickable{cursor:pointer}
.card-max-700{max-width:700px}.card-max-750{max-width:750px}
.hs-page-title{font-size:28px;font-weight:400;color:var(--md-on-surface);margin-bottom:8px}
.hs-page-desc{font-size:14px;color:var(--md-on-surface-variant);margin-bottom:32px}
.hs-search-wrap{max-width:900px;margin:0 auto 16px;position:relative}
.hs-search-input-padded{padding-right:120px}
.hs-search-btn-abs{position:absolute;right:6px;top:6px;padding:10px 28px;font-size:15px}
.hs-search-btn-icon{font-size:13px}
.hs-error-hint{font-size:14px;font-weight:500;margin-bottom:24px}
.hs-tool-card{max-width:900px;margin:0 auto;background:var(--md-surface);border:1px solid var(--md-outline-subtle);border-radius:var(--md-shape-md);padding:24px}
.hs-tool-card-mt{max-width:900px;margin:20px auto 0}
.hs-tool-title{font-size:15px;font-weight:500;color:var(--md-on-surface);margin:0}
.hs-section-title{font-size:22px;font-weight:400;color:var(--md-on-surface);margin-bottom:6px}
.hs-section-desc{color:var(--md-on-surface-variant);margin-bottom:32px;font-size:13px}
.hs-section-desc-sm{color:var(--md-on-surface-variant);margin:0;font-size:13px}
.hs-accordion-wrap{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:8px}
.hs-accordion-summary{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;cursor:pointer;background:var(--md-surface);transition:background var(--md-duration-short) var(--md-easing-standard);list-style:none}
.hs-accordion-summary-left{display:flex;align-items:center;gap:16px}
.hs-acc-cat-num{color:var(--md-primary);font-weight:500;min-width:40px;font-size:15px}
.hs-acc-cat-name{color:var(--md-on-surface);font-size:15px;font-weight:500}
.hs-acc-arrow{color:var(--md-on-surface-muted);transition:transform var(--md-duration-medium) var(--md-easing-standard);font-size:14px}
.hs-acc-content{padding:20px 24px;display:grid;grid-template-columns:1fr 1fr;gap:10px 36px;border-top:1px solid var(--md-outline-subtle)}
.hs-acc-chapter-row{display:flex;gap:12px;padding:10px 8px;border-radius:var(--md-shape-sm);transition:background var(--md-duration-short) var(--md-easing-standard)}
.hs-acc-chapter-code{color:var(--md-on-surface-muted);font-weight:400;font-size:13px}
.hs-acc-empty-row{display:flex;gap:12px;padding:10px 8px;color:var(--md-on-surface-muted);grid-column:1/-1}
.hs-acc-empty-icon{font-size:13px}.hs-acc-empty-text{font-size:13px}
.hs-manifest-row{display:flex;gap:10px}
.hs-manifest-label{display:block;font-size:12px;font-weight:500;color:var(--md-on-surface-variant);margin-bottom:8px}
.hs-manifest-card{background:var(--md-surface);border:1px solid var(--md-outline-subtle);border-radius:var(--md-shape-md);padding:24px;text-align:left}
.hs-manifest-header{display:flex;align-items:center;gap:8px;margin-bottom:18px}
.hs-manifest-header i{color:var(--md-primary);font-size:18px}
.hs-manifest-list{display:flex;flex-direction:column;gap:14px}
.hs-input-sm{font-size:12px}
.hs-customs-row{display:flex;gap:8px}
.hs-customs-input{flex:1}.hs-customs-btn-icon{font-size:12px}
.hs-section-pt{padding-top:32px}

.error-404-num{font-size:64px;font-weight:400;margin:20px 0;color:var(--md-on-surface)}
.admin-select-input{padding:8px 12px;border:1px solid var(--md-outline-variant);border-radius:var(--md-shape-sm);font-size:14px}
.admin-cat-en{color:var(--md-on-surface-muted);font-size:13px;margin-left:8px}
.lp-route-name{margin-left:8px}
.bid-remark td{font-size:13px;color:var(--md-on-surface-variant);padding-top:0}
.form-section-divider{font-size:16px;font-weight:500;margin:20px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--md-outline-subtle)}
.empty-state-btn{margin-top:12px}
.form-card-wide-700{max-width:700px}.form-card-wide-750{max-width:750px}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print{
  .header,.footer,.btn,.mobile-toggle,.btn-back-to-top{display:none!important}
  body{background:#fff;font-size:12pt}
  .section{padding:12px 0}
  .container{max-width:100%;padding:0}
  .freight-table-wrap,.hs-table-wrap{overflow-x:visible;border:none;box-shadow:none}
}

@media(max-width:600px){
  .hs-acc-content{grid-template-columns:1fr}
}

/* ========================================
   HS CATEGORY CARD GRID — 可展开卡片（零 JS 依赖）
   ======================================== */
.hs-cat-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(clamp(280px, 38vw, 340px), 1fr));
  gap: clamp(14px, 2.5vw, 20px);
  max-width: 1100px;
  margin: 0 auto;
}

.hs-cat-card{
  background: var(--md-surface);
  border: 1px solid var(--md-outline-subtle);
  border-radius: var(--md-shape-md);
  overflow: hidden;
  transition: all .2s var(--md-easing-standard);
}
.hs-cat-card:hover{
  border-color: var(--md-primary);
  box-shadow: var(--md-elevation-2);
}
.hs-cat-card.open{
  border-color: var(--md-primary);
  box-shadow: 0 0 0 1px rgba(11,87,208,.15);
}

/* ── 卡片头部（点击展开） ── */
.hs-cat-header{
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  user-select: none;
  transition: background .15s;
  -webkit-tap-highlight-color: transparent;
}
.hs-cat-header:hover{
  background: var(--md-surface-container-low);
}
.hs-cat-card.open .hs-cat-header{
  background: var(--md-primary-container);
  border-bottom: 1px solid rgba(11,87,208,.15);
}

.hs-cat-num{
  width: 36px; height: 28px; flex-shrink: 0;
  border-radius: 6px;
  background: var(--md-primary-container);
  color: var(--md-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  transition: all .15s;
}
.hs-cat-card.open .hs-cat-num{
  background: var(--md-primary);
  color: #fff;
}

.hs-cat-title{
  flex: 1; min-width: 0;
  display: flex; flex-direction: column; gap: 2px;
}
.hs-cat-name{
  font-size: 14px; font-weight: 500;
  color: var(--md-on-surface);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.hs-cat-card.open .hs-cat-name{
  color: var(--md-on-primary-container);
}
.hs-cat-sub{
  font-size: 11px; color: var(--md-on-surface-muted);
}

.hs-cat-arrow{
  flex-shrink: 0;
  font-size: 12px; color: var(--md-on-surface-variant);
  transition: transform .25s var(--md-easing-standard);
}
.hs-cat-card.open .hs-cat-arrow{
  transform: rotate(180deg);
  color: var(--md-primary);
}

/* ── 卡片内容（章节列表） ── */
.hs-cat-body{
  display: none;
  padding: 8px 12px;
  max-height: 380px;
  overflow-y: auto;
  color: var(--md-on-surface);
  background: var(--md-surface);
}
.hs-cat-card.open .hs-cat-body{
  display: block;
  animation: hsCatExpand .25s var(--md-easing-standard);
}
@keyframes hsCatExpand{
  from { opacity: 1; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hs-cat-body::-webkit-scrollbar{ width: 4px; }
.hs-cat-body::-webkit-scrollbar-thumb{ background: rgba(0,0,0,.1); border-radius: 2px; }

/* ── 章节行 ── */
.hs-chapter-row{
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  border-radius: var(--md-shape-sm);
  text-decoration: none; color: var(--md-on-surface);
  margin-bottom: 4px;
  transition: background .15s, box-shadow .15s;
  border: 1px solid transparent;
}
.hs-chapter-row:last-child{ margin-bottom: 0; }
.hs-chapter-row:hover{
  background: var(--md-surface-container-low);
  border-color: var(--md-outline-subtle);
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}

.hs-ch-code{
  width: 48px; flex-shrink: 0;
  font-size: 12px; font-weight: 600; color: var(--md-primary);
  padding: 3px 6px;
  background: var(--md-primary-container);
  border-radius: 3px; text-align: center;
}
.hs-chapter-row:hover .hs-ch-code{
  background: var(--md-primary);
  color: #fff;
}

.hs-ch-name{
  flex: 1; min-width: 0;
  font-size: 13px; color: var(--md-on-surface);
  line-height: 1.4;
}
.hs-ch-arrow{
  flex-shrink: 0;
  font-size: 10px; color: var(--md-on-surface-variant);
  transform: translateX(0);
  transition: transform .15s;
}
.hs-chapter-row:hover .hs-ch-arrow{
  transform: translateX(3px);
}

.hs-ch-empty{
  padding: 24px; text-align: center;
  font-size: 13px; color: var(--md-on-surface-muted);
}

.hs-chapter-row--empty{
  opacity: 0.55; cursor: default;
  text-decoration: none; color: var(--md-on-surface);
}
.hs-chapter-row--empty:hover{
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}
.hs-chapter-row--empty .hs-ch-code{
  background: var(--md-surface-container-low);
}
.hs-chapter-row--empty:hover .hs-ch-code{
  background: var(--md-surface-container-low);
  color: inherit;
}
.hs-chapter-row--empty small{
  font-size: 11px; color: var(--md-on-surface-muted);
}

/* 响应式 */
@media(max-width: 768px){
  .hs-cat-grid{
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .hs-cat-header{ padding: 12px 14px; }
  .hs-cat-name{ font-size: 13px; }
  .hs-cat-body{ max-height: 300px; }
}
@media(max-width: 480px){
  .hs-cat-header{ padding: 10px 12px; gap: 8px; }
  .hs-cat-num{ width: 30px; height: 24px; font-size: 10px; }
  .hs-cat-name{ font-size: 12px; }
  .hs-chapter-row{ padding: 8px 10px; gap: 8px; }
  .hs-ch-code{ font-size: 11px; width: 40px; }
  .hs-ch-name{ font-size: 12px; }
}

/* ========================================
   HS MASTER-DETAIL — 左侧类目列表 + 右侧章节面板（保留兼容）
   ======================================== */
.hs-cards-section-intro{
  text-align:center;
  margin-bottom:clamp(28px,4vw,40px);
}
.hs-cards-section-intro .section-title{
  font-size:clamp(22px,3vw,28px);
  margin-bottom:8px;
}
.hs-cards-section-intro .section-desc{
  font-size:14px;
  color:var(--md-on-surface-muted);
  max-width:560px;
  margin:0 auto 20px;
  line-height:1.6;
}

/* 主容器：左列表 + 右面板 */
.hs-master-detail{
  display:flex;
  gap:0;
  max-width:1060px;margin:0 auto;
  background:var(--md-surface);
  border-radius:var(--md-shape-lg);
  border:1px solid var(--md-outline-subtle);
  overflow:hidden;
  min-height:420px;
  box-shadow:0 1px 3px rgba(0,0,0,.04);
}

/* ── 左侧栏 ── */
.hs-md-sidebar{
  width:248px;flex-shrink:0;
  background:var(--md-surface-dim);
  border-right:1px solid var(--md-outline-subtle);
  overflow-y:auto;
  padding:8px 0;
}
.hs-md-sidebar::-webkit-scrollbar{width:4px}
.hs-md-sidebar::-webkit-scrollbar-thumb{background:rgba(0,0,0,.1);border-radius:2px}
.hs-md-sidebar::-webkit-scrollbar-track{background:transparent}

.hs-md-tab{
  display:flex;align-items:center;gap:10px;
  width:100%;
  padding:10px 16px;
  border:none;
  background:transparent;
  cursor:pointer;
  text-align:left;
  font-family:inherit;
  transition:background .15s,border-color .15s;
  border-left:3px solid transparent;
  position:relative;
}
.hs-md-tab:hover{background:var(--md-surface-container-low)}
.hs-md-tab.active{
  background:var(--md-surface);
  border-left-color:var(--md-primary);
}
.hs-md-tab-num{
  width:28px;height:22px;flex-shrink:0;
  border-radius:4px;
  background:var(--md-primary-container);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:700;
  color:var(--md-primary);
  transition:background .15s,color .15s;
}
.hs-md-tab.active .hs-md-tab-num{
  background:var(--md-primary);
  color:#fff;
}
.hs-md-tab-text{
  flex:1;min-width:0;
  display:flex;flex-direction:column;gap:2px;
}
.hs-md-tab-name{
  font-size:13px;font-weight:400;color:var(--md-on-surface);
  line-height:1.4;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transition:color .15s;
}
.hs-md-tab.active .hs-md-tab-name{color:var(--md-primary);font-weight:500}
.hs-md-tab-meta{
  font-size:10px;color:var(--md-on-surface-muted);
}

/* ── 右侧面板 ── */
.hs-md-panel{
  flex:1;min-width:0;
  padding:20px 28px;
  overflow-y:auto;
}
.hs-md-panel::-webkit-scrollbar{width:5px}
.hs-md-panel::-webkit-scrollbar-thumb{background:rgba(0,0,0,.1);border-radius:3px}
.hs-md-panel::-webkit-scrollbar-track{background:transparent}

.hs-md-content{display:none}
.hs-md-content.active{display:block}

/* ── 章节行：充足间距，每行完整可点 ── */
.hs-md-row{
  display:flex;align-items:center;gap:12px;
  padding:12px 16px;
  border-radius:var(--md-shape-sm);
  text-decoration:none;
  color:inherit;
  margin-bottom:6px;
  transition:background .15s,box-shadow .15s;
  border:1px solid transparent;
}
.hs-md-row:last-child{margin-bottom:0}
.hs-md-row:hover{
  background:var(--md-surface-container-low);
  border-color:var(--md-outline-subtle);
  box-shadow:0 1px 3px rgba(0,0,0,.04);
}
.hs-md-code{
  width:52px;flex-shrink:0;
  font-size:13px;font-weight:600;color:var(--md-primary);
  padding:3px 6px;
  background:var(--md-primary-container);
  border-radius:3px;
  text-align:center;
}
.hs-md-name{
  flex:1;min-width:0;
  font-size:14px;color:var(--md-on-surface);
  line-height:1.5;
}
.hs-md-arrow{
  flex-shrink:0;
  font-size:11px;
  color:var(--md-on-surface-variant);
  transform:translateX(0);
  transition:transform .15s;
}
.hs-md-row:hover .hs-md-arrow{
  transform:translateX(3px);
}
.hs-md-empty{
  padding:40px 20px;
  text-align:center;
  font-size:14px;
  color:var(--md-on-surface-muted);
}

/* 响应式 */
@media(max-width:768px){
  .hs-master-detail{flex-direction:column;min-height:auto}
  .hs-md-sidebar{
    width:100%;max-height:200px;
    border-right:none;border-bottom:1px solid var(--md-outline-subtle);
    display:flex;flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;
    padding:8px 4px;
    gap:4px;
  }
  .hs-md-tab{
    flex-shrink:0;width:auto;
    padding:8px 12px;
    border-left:none;border-bottom:2px solid transparent;
    border-radius:6px 6px 0 0;
  }
  .hs-md-tab.active{
    border-left-color:transparent;
    border-bottom-color:var(--md-primary);
    background:var(--md-surface);
  }
  .hs-md-tab-name{max-width:100px;font-size:12px}
  .hs-md-tab-meta{display:none}
  .hs-md-panel{padding:16px 14px}
}
@media(max-width:480px){
  .hs-md-sidebar{padding:6px 2px;max-height:160px}
  .hs-md-tab{padding:6px 10px;gap:6px}
  .hs-md-tab-num{width:24px;height:18px;font-size:9px}
  .hs-md-tab-name{font-size:11px}
  .hs-md-row{padding:10px 12px;gap:8px}
  .hs-md-code{font-size:12px;width:44px}
  .hs-md-name{font-size:13px}
  .hs-md-panel{padding:12px 10px}
}

/* ========================================
   RATE SIMPLE TABLE — 协定税率/RCEP简洁列表
   ======================================== */
.rate-simple-table{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(160px,1fr));
  gap:10px;
}
.rate-simple-row{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 16px;
  background:var(--md-surface);
  border-radius:var(--md-shape-sm);
  border:1px solid var(--md-outline-subtle);
  transition:box-shadow .2s, transform .2s;
}
.rate-simple-row:hover{
  box-shadow:var(--md-elevation-2);
  transform:translateY(-1px);
}
.rate-simple-name{
  font-size:14px;font-weight:500;
  color:var(--md-on-surface);
  white-space:nowrap;
}
.rate-simple-val{
  font-size:18px;font-weight:700;
  color:var(--md-primary);
  flex-shrink:0;
}
@media(max-width:480px){
  .rate-simple-table{
    grid-template-columns:1fr 1fr;
    gap:8px;
  }
  .rate-simple-row{padding:8px 12px}
  .rate-simple-name{font-size:13px}
  .rate-simple-val{font-size:16px}
}