/* =========================================================
   我要托运 · 全国一站式物流平台
   Design Tokens
   ========================================================= */
:root{
  /* 品牌色 */
  --brand:            #14539A;
  --brand-600:        #0F4080;
  --brand-100:        #E8F0FA;
  --accent:           #F2751F;
  --accent-600:       #D95F0E;

  /* 语义色 */
  --blue:             #14539A;
  --teal:             #0E7C86;
  --orange:           #F2751F;
  --slate:            #475569;

  /* 中性色 */
  --ink:              #0F172A;
  --ink-2:            #334155;
  --ink-3:            #64748B;
  --line:             #E4E9F0;
  --line-soft:        #EEF2F7;
  --bg:               #FFFFFF;
  --bg-soft:          #F5F8FC;
  --bg-deep:          #0B1B2E;

  /* 尺寸 */
  --container:        1200px;
  --radius:           12px;
  --radius-sm:        8px;
  --header-h:         68px;

  /* 阴影 */
  --shadow-xs:        0 1px 2px rgba(15,23,42,.05);
  --shadow-sm:        0 2px 10px rgba(15,23,42,.06);
  --shadow-md:        0 8px 26px rgba(15,23,42,.09);
  --shadow-lg:        0 18px 48px rgba(15,23,42,.14);

  /* 动效 */
  --ease:             cubic-bezier(.22,.61,.36,1);
}

/* =========================================================
   Base
   ========================================================= */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:15px;line-height:1.7;color:var(--ink-2);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.35;font-weight:700}
p{margin:0}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.container--narrow{max-width:920px}
.divider{display:inline-block;width:1px;height:12px;background:currentColor;opacity:.28;vertical-align:-1px;margin:0 10px}

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:46px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease);
}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--block{width:100%}
.btn--accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(242,117,31,.28)}
.btn--accent:hover{background:var(--accent-600);transform:translateY(-1px);box-shadow:0 10px 24px rgba(242,117,31,.34)}
.btn--primary{background:var(--brand);color:#fff}
.btn--primary:hover{background:var(--brand-600);transform:translateY(-1px)}
.btn--ghost{background:var(--brand-100);color:var(--brand)}
.btn--ghost:hover{background:#D8E5F6}
.btn--outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn--outline:hover{background:rgba(255,255,255,.12)}

/* =========================================================
   Topbar
   ========================================================= */
.topbar{background:var(--bg-deep);color:#B9C6D8;font-size:13px}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;height:38px}
.topbar__slogan{opacity:.85}
.topbar__links{display:flex;align-items:center}
.topbar__links a:hover{color:#fff}

/* =========================================================
   Header
   ========================================================= */
.header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.header.is-stuck{box-shadow:var(--shadow-sm)}
.header__inner{display:flex;align-items:center;gap:24px;height:var(--header-h)}

.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo__mark{
  width:38px;height:38px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#2E7BD1);color:#fff;flex-shrink:0;
}
.logo__mark svg{width:24px;height:24px}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__text b{font-size:19px;color:var(--ink);letter-spacing:.5px}
.logo__text i{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.2px}
.logo--light .logo__text b{color:#fff}
.logo--light .logo__text i{color:#8FA3BC}

.nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav a{
  position:relative;padding:8px 12px;border-radius:6px;font-size:15px;color:var(--ink-2);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav a:hover{color:var(--brand);background:var(--bg-soft)}

/* ---------- 导航下拉（核心业务） ---------- */
.nav__item{position:relative}
.nav__link{display:inline-flex;align-items:center;gap:6px}
.nav__caret{
  width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;
  border-top:5px solid currentColor;opacity:.55;transition:transform .2s var(--ease);
}
.nav__item:hover .nav__caret,.nav__item.is-open .nav__caret{transform:rotate(180deg)}
.nav__menu{
  position:absolute;left:-8px;top:calc(100% + 10px);z-index:20;
  width:272px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-lg);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease);
}
.nav__menu::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
.nav__item:hover .nav__menu,.nav__item:focus-within .nav__menu{opacity:1;visibility:visible;transform:none}
.nav__menu a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:8px}
.nav__menu a:hover{background:var(--bg-soft);color:var(--brand)}
.nav__menu-ico{width:34px;height:34px;border-radius:8px;display:grid;place-items:center;flex-shrink:0}
.nav__menu-ico svg{width:19px;height:19px}
.nav__menu-ico--blue{background:#E8F0FA;color:var(--blue)}
.nav__menu-ico--teal{background:#E2F3F4;color:var(--teal)}
.nav__menu-ico--orange{background:#FDEDE1;color:var(--orange)}
.nav__menu-ico--slate{background:#ECEFF4;color:var(--slate)}
.nav__menu-ico--red{background:#FEE2E2;color:#DC2626}
.nav__menu-ico--green{background:#E3F5EA;color:#15803D}
.nav__menu b{display:block;font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.35}
.nav__menu em{display:block;margin-top:2px;font-style:normal;font-size:12px;color:var(--ink-3)}
.nav__menu a:hover b{color:var(--brand)}

.header__cta{display:flex;align-items:center;gap:14px;margin-left:auto}
.hotline{display:flex;align-items:center;gap:9px;color:var(--ink)}
.hotline svg{width:24px;height:24px;color:var(--brand);flex-shrink:0}
.hotline span{display:flex;flex-direction:column;line-height:1.2}
.hotline em{font-style:normal;font-size:11px;color:var(--ink-3)}
.hotline strong{font-size:18px;color:var(--brand);letter-spacing:.3px}

.nav-toggle{display:none;width:38px;height:38px;border:1px solid var(--line);border-radius:8px;padding:9px}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;margin-bottom:4px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle span:last-child{margin-bottom:0}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* =========================================================
   Hero
   ========================================================= */
.hero{position:relative;isolation:isolate;overflow:hidden;color:#fff}
.hero__bg{
  position:absolute;inset:0;z-index:-2;
  background:url("../img/hero-banner.png") center/cover no-repeat;
}
.hero__mask{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(105deg,rgba(8,24,44,.94) 0%,rgba(11,32,58,.86) 42%,rgba(12,38,68,.62) 72%,rgba(12,38,68,.42) 100%);
}
.hero__inner{
  display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:56px;align-items:center;
  padding-top:76px;padding-bottom:82px;
}
.hero__badge{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);
  font-size:13px;letter-spacing:.4px;color:#E6EEF9;
}
.hero__title{margin:20px 0 18px;font-size:40px;line-height:1.28;letter-spacing:.5px;color:#fff}
.hero__title em{display:block;margin-top:10px;font-style:normal;font-size:21px;font-weight:600;color:#9DC2EE}
.hero__desc{max-width:560px;font-size:15.5px;color:rgba(255,255,255,.8)}

.hero__stats{display:flex;gap:34px;margin:28px 0 22px;padding-top:24px;border-top:1px solid rgba(255,255,255,.16)}
.hero__stats li{display:flex;flex-direction:column}
.hero__stats strong{font-size:27px;line-height:1.2;color:#fff;font-weight:700}
.hero__stats span{font-size:12.5px;color:rgba(255,255,255,.66)}

.hero__trust{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:13.5px;color:rgba(255,255,255,.82)}
.hero__trust span{display:inline-flex;align-items:center;gap:8px}
.hero__trust .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0}

/* 询价卡片 */
.quoter{
  display:grid;grid-template-columns:minmax(0,1fr);
  background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);
  padding:8px;color:var(--ink-2);
}
.quoter__tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;background:var(--bg-soft);border-radius:10px;padding:4px}
.quoter__tab{
  height:42px;border-radius:8px;font-size:15px;font-weight:600;color:var(--ink-3);
  transition:all .2s var(--ease);
}
.quoter__tab.is-active{background:#fff;color:var(--brand);box-shadow:var(--shadow-xs)}
/* 两张表单叠放在同一网格单元：卡片高度恒等于较高表单，切换标签不再改变 hero 高度 */
.quoter__panel{
  grid-area:2/1;align-content:start;
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
  padding:20px 18px 18px;visibility:hidden;
}
.quoter__panel.is-active{visibility:visible;animation:fadeUp .28s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.field{display:flex;flex-direction:column;gap:6px}
.field--half{min-width:0}
.field label{font-size:13px;color:var(--ink-3)}
.field input,.field select{
  height:44px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;font-size:14.5px;color:var(--ink);width:100%;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='m3 4.5 3 3 3-3' stroke='%2364748B' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;background-size:12px;padding-right:32px;
}
.field input::placeholder{color:#A8B4C4}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,83,154,.1)}
.field.is-error input,.field.is-error select{border-color:#DC2626;box-shadow:0 0 0 3px rgba(220,38,38,.1)}
.quoter__note{grid-column:1/-1;margin-top:2px;font-size:12px;color:var(--ink-3);text-align:center}
.quoter__note--link{margin-top:14px;padding-top:12px;border-top:1px solid var(--line-soft);font-size:13px}
.quoter__note--link a{color:var(--brand);font-weight:600}
.quoter__note--link a:hover{text-decoration:underline}
.quoter__panel .btn{grid-column:1/-1;margin-top:2px}
.quoter__captcha{display:flex;align-items:center;gap:8px;width:100%}
.quoter__captcha input{flex:1 1 auto;min-width:0;width:auto}
.quoter__captcha-img{height:30px;width:auto;border-radius:6px;cursor:pointer;flex:0 0 auto}

/* =========================================================
   Section 通用
   ========================================================= */
.section{padding:76px 0}
.section--soft{background:var(--bg-soft);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section__head{max-width:760px;margin:0 auto 40px;text-align:center}
.section__head--row{
  max-width:none;display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;text-align:left;
}
.section__eyebrow{
  display:inline-block;margin-bottom:10px;font-size:12px;font-weight:700;letter-spacing:2.2px;
  color:var(--brand);opacity:.85;
}
.section__title{font-size:30px;letter-spacing:.4px}
.section__sub{margin-top:12px;font-size:15px;color:var(--ink-3)}
.section__more{font-size:14px;color:var(--brand);font-weight:600}
.section__more:hover{color:var(--accent)}

.grid{display:grid;gap:20px}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--5{grid-template-columns:repeat(5,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}

/* =========================================================
   五大业务卡片
   ========================================================= */
.card{
  display:flex;flex-direction:column;padding:26px 24px 22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#C9D8EC}
.card__icon{
  width:52px;height:52px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
}
.card__icon svg{width:30px;height:30px}
.card__icon--blue{background:#E8F0FA;color:var(--blue)}
.card__icon--teal{background:#E2F3F4;color:var(--teal)}
.card__icon--orange{background:#FDEDE1;color:var(--orange)}
.card__icon--slate{background:#ECEFF4;color:var(--slate)}
.card__icon--red{background:#FEE2E2;color:#DC2626}
.card h3{font-size:19px}
.card__desc{margin-top:6px;font-size:14px;color:var(--brand);font-weight:600}
.card__list{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);display:flex;flex-direction:column;gap:8px}
.card__list li{position:relative;padding-left:16px;font-size:13.5px;color:var(--ink-3);line-height:1.65}
.card__list li::before{
  content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--brand);opacity:.55;
}
.card__more{margin-top:auto;padding-top:16px;font-size:13.5px;font-weight:600;color:var(--brand)}
.card:hover .card__more{color:var(--accent)}

/* =========================================================
   五大优势
   ========================================================= */
.adv__item{
  padding:26px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);text-align:center;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.adv__item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.adv__check{
  width:42px;height:42px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand);color:#fff;
}
.adv__check svg{width:22px;height:22px}
.adv__item h3{font-size:17px}
.adv__item p{margin-top:8px;font-size:13.5px;color:var(--ink-3);line-height:1.7}

/* =========================================================
   流程 Tab
   ========================================================= */
.tabs{display:flex;justify-content:center;gap:8px;margin-bottom:34px}
.tabs__btn{
  height:44px;padding:0 26px;border:1px solid var(--line);border-radius:999px;background:#fff;
  font-size:15px;font-weight:600;color:var(--ink-2);transition:all .2s var(--ease);
}
.tabs__btn:hover{border-color:#C9D8EC;color:var(--brand)}
.tabs__btn.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(20,83,154,.22)}

.steps{display:none;grid-template-columns:repeat(6,1fr);gap:0;position:relative}
.steps.is-active{display:grid;animation:fadeUp .3s var(--ease)}
.steps::before{
  content:"";position:absolute;left:8.33%;right:8.33%;top:23px;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 14px);
}
.steps li{position:relative;padding:0 12px;text-align:center}
.steps__no{
  position:relative;z-index:1;display:grid;place-items:center;width:48px;height:48px;margin:0 auto 16px;
  border-radius:50%;background:#fff;border:2px solid var(--brand);color:var(--brand);
  font-size:17px;font-weight:700;box-shadow:0 0 0 5px var(--bg);
}
.steps h4{font-size:16px}
.steps p{margin-top:8px;font-size:13px;color:var(--ink-3);line-height:1.7}

/* =========================================================
   热门线路
   ========================================================= */
.route{
  display:flex;flex-direction:column;padding:22px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.route:hover{transform:translateY(-3px);border-color:#C9D8EC;box-shadow:var(--shadow-md)}
.route__top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.route__top h3{font-size:19px;letter-spacing:.3px}
.route__tag{
  flex-shrink:0;height:24px;padding:0 10px;border-radius:999px;display:inline-flex;align-items:center;
  font-size:12px;background:var(--brand-100);color:var(--brand);
}
.route__tag--hot{background:#FDEDE1;color:var(--accent-600)}
.route__tag--hard{background:#E2F3F4;color:var(--teal)}
.route__meta{display:flex;gap:28px;margin:14px 0;padding:12px 0;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.route__meta dt{font-size:12px;color:var(--ink-3)}
.route__meta dd{margin-top:2px;font-size:14px;font-weight:600;color:var(--ink)}
.route__biz{margin-top:9px;font-size:13.5px;color:var(--ink-3)}
.route__biz b{display:inline-block;min-width:64px;color:var(--ink);font-weight:600}
.route__biz em{font-style:normal;font-weight:700;color:var(--accent-600)}
.route__more{margin-top:auto;padding-top:16px;font-size:13.5px;font-weight:600;color:var(--brand)}
.route:hover .route__more{color:var(--accent)}
.routes__more{margin-top:28px;text-align:center}
.routes__tip{margin-top:18px;text-align:center;font-size:14px;color:var(--ink-3)}
.routes__tip a,.routes__tip b{color:var(--brand)}
.routes__tip a:hover{color:var(--accent)}

/* =========================================================
   实拍案例
   ========================================================= */
.case{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .22s var(--ease),transform .22s var(--ease)}
.case:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.case__pic{aspect-ratio:4/3;overflow:hidden;background:var(--bg-soft)}
.case__pic img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.case:hover .case__pic img{transform:scale(1.04)}
.case figcaption{padding:18px 20px 22px}
.case__label{
  display:inline-block;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;
}
.case__label--blue{background:#E8F0FA;color:var(--blue)}
.case__label--orange{background:#FDEDE1;color:var(--accent-600)}
.case__label--slate{background:#ECEFF4;color:var(--slate)}
.case h3{margin-top:12px;font-size:17px}
.case p{margin-top:8px;font-size:13.5px;color:var(--ink-3)}

.reviews{margin-top:26px}
.review{
  margin:0;padding:22px 24px;background:var(--bg-soft);border:1px solid var(--line-soft);
  border-radius:var(--radius);
}
.review__stars{color:#F0A021;font-size:15px;letter-spacing:2px}
.review p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.review footer{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);display:flex;flex-direction:column}
.review footer b{font-size:14px;color:var(--ink)}
.review footer span{font-size:12.5px;color:var(--ink-3)}

/* =========================================================
   FAQ
   ========================================================= */
.faq{display:flex;flex-direction:column;gap:22px}
.faq__group{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.faq__cat{
  padding:13px 22px;background:var(--brand-100);font-size:14.5px;color:var(--brand);
  border-bottom:1px solid var(--line);
}
.faq__item+.faq__item{border-top:1px solid var(--line-soft)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 22px;text-align:left;font-size:15.5px;font-weight:600;color:var(--ink);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.faq__q:hover{background:var(--bg-soft);color:var(--brand)}
.faq__q i{
  position:relative;flex-shrink:0;width:18px;height:18px;
}
.faq__q i::before,.faq__q i::after{
  content:"";position:absolute;left:0;top:8px;width:18px;height:2px;background:var(--ink-3);border-radius:2px;
  transition:transform .22s var(--ease);
}
.faq__q i::after{transform:rotate(90deg)}
.faq__item.is-open .faq__q{color:var(--brand)}
.faq__item.is-open .faq__q i::after{transform:rotate(0)}
.faq__a{display:none;padding:0 22px 18px}
.faq__item.is-open .faq__a{display:block;animation:fadeUp .24s var(--ease)}
.faq__a p{font-size:14.5px;color:var(--ink-3);line-height:1.85}
.faq__a b{color:var(--ink-2)}

.faq__cta{
  margin-top:30px;padding:24px;background:#fff;border:1px dashed #C9D8EC;border-radius:var(--radius);
  text-align:center;
}
.faq__cta p{font-size:15px;color:var(--ink-2)}
.faq__cta-btns{margin-top:14px;display:flex;justify-content:center;gap:12px}

/* =========================================================
   新闻资讯
   ========================================================= */
.news__item{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.news__item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.news__pic{
  height:112px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#2E7BD1);
}
.news__pic span{font-size:15px;font-weight:700;color:#fff;letter-spacing:1px}
.news__pic--blue{background:linear-gradient(135deg,#14539A,#2E7BD1)}
.news__pic--orange{background:linear-gradient(135deg,#F2751F,#F79A4D)}
.news__pic--slate{background:linear-gradient(135deg,#334155,#64748B)}
.news__pic--teal{background:linear-gradient(135deg,#0E7C86,#2BA3AD)}
.news__body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news__body h3{font-size:16px;line-height:1.6}
.news__body p{margin-top:10px;font-size:13.5px;color:var(--ink-3);line-height:1.75}
.news__date{margin-top:auto;padding-top:14px;font-size:12.5px;color:var(--ink-3);opacity:.85}

/* =========================================================
   底部转化条
   ========================================================= */
.cta-bar{
  background:linear-gradient(100deg,var(--bg-deep),#123258 60%,#1A4C86);
  color:#fff;padding:34px 0;
}
.cta-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-bar__text strong{display:block;font-size:20px;color:#fff}
.cta-bar__text span{font-size:14px;color:rgba(255,255,255,.72)}
.cta-bar__btns{display:flex;gap:12px}

/* =========================================================
   Footer
   ========================================================= */
.footer{background:var(--bg-deep);color:#A7B7CC;font-size:14px}
.footer__inner{display:grid;grid-template-columns:300px minmax(0,1fr);gap:48px;padding:52px 20px 40px}
.footer__desc{margin-top:16px;font-size:13.5px;line-height:1.85;color:#8FA3BC}
.footer__qr{margin-top:20px;display:flex;align-items:center;gap:14px}
.footer__qr img{width:92px;height:92px;padding:6px;background:#fff;border-radius:8px}
.footer__qr span{font-size:13px;color:#8FA3BC;line-height:1.6}

.footer__nav{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.footer__col h4{margin-bottom:14px;font-size:15px;color:#fff}
.footer__col a{display:block;padding:5px 0;font-size:13.5px;color:#A7B7CC;transition:color .18s var(--ease)}
.footer__col a:hover{color:#fff}
.footer__col p{padding:5px 0;font-size:13.5px}
.footer__tel{font-size:20px !important;font-weight:100;color:#fff;letter-spacing:.5px}

.footer__bottom{border-top:1px solid rgba(255,255,255,.1)}
.footer__bottom-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:16px 20px;font-size:12.5px;color:#7A8CA3;
}
.footer__legal a:hover{color:#fff}
.footer__legal .divider{opacity:.3}

/* =========================================================
   悬浮工具条
   ========================================================= */
.floaters{position:fixed;right:18px;bottom:96px;z-index:80;display:flex;flex-direction:column;gap:10px}
.floater{
  position:relative;width:52px;height:52px;border-radius:12px;display:grid;place-items:center;
  background:#fff;color:var(--brand);box-shadow:var(--shadow-md);
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.floater svg{width:24px;height:24px}
.floater:hover{transform:translateY(-2px)}
.floater--tel{background:var(--brand);color:#fff}
.floater--wechat{color:#2BAE5E}
.floater--top{color:var(--ink-3);opacity:0;pointer-events:none;transition:opacity .25s var(--ease)}
.floater--top.is-show{opacity:1;pointer-events:auto}
.floater__label{
  position:absolute;right:60px;top:50%;transform:translateY(-50%);
  padding:5px 12px;border-radius:6px;background:var(--ink);color:#fff;font-size:12.5px;white-space:nowrap;
  opacity:0;pointer-events:none;transition:opacity .2s var(--ease);
}
.floater:hover .floater__label{opacity:1}
.floater__pop{
  position:absolute;right:62px;bottom:0;width:168px;padding:14px;border-radius:10px;
  background:#fff;box-shadow:var(--shadow-lg);text-align:center;
  opacity:0;transform:translateX(8px);pointer-events:none;transition:opacity .22s var(--ease),transform .22s var(--ease);
}
.floater__pop img{width:136px;height:136px;margin:0 auto}
.floater__pop p{margin-top:8px;font-size:12.5px;color:var(--ink-3);line-height:1.6}
.floater__pop b{color:var(--brand)}
.floater__pop i{
  position:absolute;right:-6px;bottom:20px;width:12px;height:12px;background:#fff;transform:rotate(45deg);
}
.floater--wechat:hover .floater__pop,.floater--wechat.is-open .floater__pop{opacity:1;transform:none}

/* =========================================================
   Toast
   ========================================================= */
.toast{
  position:fixed;left:50%;top:96px;z-index:200;transform:translate(-50%,-12px);
  max-width:88vw;padding:12px 22px;border-radius:8px;background:rgba(15,23,42,.94);color:#fff;
  font-size:14px;box-shadow:var(--shadow-lg);
  opacity:0;pointer-events:none;transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.toast.is-show{opacity:1;transform:translate(-50%,0)}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:1180px){
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .grid--5{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(3,1fr);gap:26px 0}
  .steps::before{display:none}
  .steps__no{box-shadow:0 0 0 5px var(--bg)}
}
/* 导航项过多时，中等屏优先隐藏次要入口（线路专题 / 实拍案例） */
@media (max-width:1080px){
  .nav > a[href="lines.html"],.nav > a[href*="cases"]{display:none}
}
@media (max-width:1024px){
  .hero__inner{grid-template-columns:1fr;gap:36px;padding-top:56px;padding-bottom:60px}
  .hero__title{font-size:32px}
  .hero__title em{font-size:18px}
  .quoter{max-width:460px}
  .footer__inner{grid-template-columns:1fr;gap:36px}
  .grid--3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;margin:0;padding:8px 20px 16px;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);
    display:none;
  }
  .nav.is-open{display:flex}
  .nav a{padding:12px 4px;border-bottom:1px solid var(--line-soft);font-size:16px}
  /* 移动端下拉：点击展开，内嵌于垂直菜单 */
  .nav__item{display:block}
  .nav__link{display:flex;align-items:center;justify-content:space-between;width:100%}
  .nav__menu{
    position:static;width:auto;padding:0 0 0 10px;background:transparent;
    border:0;border-radius:0;box-shadow:none;
    opacity:1;visibility:visible;transform:none;display:none;
  }
  .nav__menu::before{display:none}
  .nav__item.is-open .nav__menu{display:block}
  .nav__menu a{padding:11px 4px}
  .nav-toggle{display:block}
  .header__cta .hotline span em{display:none}
  .hotline strong{font-size:16px}
  .section{padding:56px 0}
  .section__title{font-size:24px}
  .section__head--row{flex-direction:column;align-items:flex-start}
  .grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}
  .grid--5{grid-template-columns:repeat(2,1fr)}
  .footer__nav{grid-template-columns:repeat(2,1fr);gap:24px}
}
@media (max-width:640px){
  .topbar__links{display:none}
  .header__cta .btn{display:none}
  .hero__inner{padding-top:38px;padding-bottom:44px}
  .hero__title{font-size:25px}
  .hero__title em{font-size:15.5px}
  .hero__stats{gap:20px}
  .hero__stats strong{font-size:21px}
  .hero__stats span{font-size:11.5px}
  .grid--3,.grid--4,.grid--5{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:20px;text-align:left}
  .steps li{display:grid;grid-template-columns:48px 1fr;gap:14px;padding:0;text-align:left}
  .steps__no{margin:0}
  .steps h4{line-height:48px}
  .steps p{margin-top:0;padding-bottom:6px}
  .quoter__panel{grid-template-columns:1fr}
  .cta-bar__inner{flex-direction:column;align-items:flex-start}
  .cta-bar__btns{width:100%}
  .cta-bar__btns .btn{flex:1}
  .floaters{right:12px;bottom:74px}
  .floater{width:46px;height:46px}
  .floater--top{display:none}
  .footer__bottom-inner{flex-direction:column;align-items:flex-start;gap:8px}
}

/* 移动端底部常驻转化条 */
@media (max-width:640px){
  body{padding-bottom:60px}
  .floater__pop{right:0;bottom:56px}
}

/* 网站页头 Logo */
.logo.logo--image {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    gap: 0;
}

.logo--image .logo__image {
    display: block;
    width: 180px;
    height: auto;
}

/* 手机端 */
@media (max-width: 767px) {
    .logo--image .logo__image {
        width: 144px;
    }
}