/* ============ 上海包车网 shanghaibc.com · 江南水墨主题 ============ */
:root{
  --ink-green:#4a7c59; --ink-dark:#2d5016; --ink-light:#7aa87e; --ink-pale:#dce8db;
  --rice-paper:#faf6f0; --rice-dark:#f0ebe0; --text-main:#3a3a3a; --text-light:#7a7a7a;
  --gold:#b8914d; --gold-light:#d4b872;
  --font-heading:'Noto Serif SC',"Songti SC",serif;
  --font-body:'Noto Sans SC',"PingFang SC","Microsoft YaHei",sans-serif;
  --radius:10px; --shadow:0 4px 20px rgba(45,80,22,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--text-main);background:var(--rice-paper);line-height:1.8;font-size:15.5px}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
h1,h2,h3,h4{font-family:var(--font-heading);color:var(--ink-dark)}
.btn{display:inline-block;padding:12px 30px;border-radius:8px;font-weight:700;transition:.2s;border:0;cursor:pointer;font-size:15.5px}
.btn-green{background:var(--ink-green);color:#fff}
.btn-green:hover{background:var(--ink-dark)}
.btn-gold{background:var(--gold);color:#fff}
.btn-gold:hover{background:#9c7738}
.btn-ghost{border:1.5px solid var(--ink-green);color:var(--ink-green);background:transparent}
.btn-ghost:hover{background:var(--ink-pale)}

/* 顶部+导航 */
.topbar{background:var(--ink-dark);color:#cfe0c9;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:34px;flex-wrap:wrap}
.topbar b{color:var(--gold-light)}
header.site{position:sticky;top:0;z-index:60;background:rgba(250,246,240,.92);backdrop-filter:blur(10px);box-shadow:0 2px 10px rgba(45,80,22,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;gap:12px}
.logo img{height:44px}
.menu{display:flex;gap:2px;list-style:none;flex-wrap:wrap}
.menu a{padding:8px 11px;border-radius:6px;font-size:14.5px;font-weight:600;color:#44503f;transition:.15s}
.menu a:hover{background:var(--ink-pale)}
.menu a.on{color:var(--ink-dark);background:var(--ink-pale);box-shadow:inset 0 -3px 0 var(--gold)}
.nav-tel{background:var(--gold);color:#fff;padding:9px 18px;border-radius:99px;font-weight:700;white-space:nowrap;font-size:14.5px}
.burger{display:none;background:none;border:0;font-size:24px;color:var(--ink-dark);cursor:pointer}
.crumbs{font-size:13px;color:var(--text-light);padding:16px 0}
.crumbs a{color:var(--ink-green)}

/* Hero 轮播 */
.hero{position:relative;overflow:hidden;background:var(--ink-dark);color:#fff}
.hero-slide{position:relative;min-height:440px;display:flex;align-items:center;background-size:cover;background-position:center}
.hero-slide::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(30,53,16,.88) 20%,rgba(30,53,16,.45) 65%,rgba(30,53,16,.2))}
.hero-slide .container{position:relative;z-index:2;padding:70px 20px}
.hero-slide h1{font-size:40px;color:#fff;margin-bottom:14px}
.hero-slide h1 em{font-style:normal;color:var(--gold-light)}
.hero-slide p{font-size:17px;color:#dbe7d2;max-width:560px;margin-bottom:26px}
.hero-dots{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:3}
.hero-dots button{width:26px;height:4px;border-radius:2px;background:rgba(255,255,255,.4);cursor:pointer}
.hero-dots button.on{background:var(--gold-light)}

/* 板块通用 */
section{padding:64px 0}
.sec-head{text-align:center;margin-bottom:42px}
.sec-head .en{font-size:12.5px;letter-spacing:4px;color:var(--gold);text-transform:uppercase;font-weight:700}
.sec-head h2{font-size:30px;margin:6px 0 10px}
.sec-head p{color:var(--text-light);max-width:640px;margin:0 auto;font-size:14.5px}
.bg-dark{background:var(--rice-dark)}

/* 优势卡片 */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.adv{background:#fff;border-radius:var(--radius);padding:28px 22px;box-shadow:var(--shadow);transition:.2s}
.adv:hover{transform:translateY(-4px)}
.adv .ico{width:52px;height:52px;border-radius:12px;background:var(--ink-pale);color:var(--ink-green);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:14px}
.adv h3{font-size:17px;margin-bottom:6px}
.adv p{font-size:13.5px;color:var(--text-light)}

/* 产品线入口 */
.line-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.line-card{position:relative;border-radius:var(--radius);overflow:hidden;min-height:260px;display:flex;align-items:flex-end;color:#fff;box-shadow:var(--shadow)}
.line-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.4s}
.line-card:hover img{transform:scale(1.06)}
.line-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(30,53,16,.85))}
.line-card .in{position:relative;z-index:2;padding:24px}
.line-card h3{color:#fff;font-size:20px;margin-bottom:6px}
.line-card p{font-size:13.5px;color:#d8e4cf;margin-bottom:10px}

/* 产品卡片 */
.p-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.p-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column}
.p-card:hover{transform:translateY(-5px)}
.p-card .pic{aspect-ratio:16/10;overflow:hidden}
.p-card .pic img{width:100%;height:100%;object-fit:cover;transition:.35s}
.p-card:hover .pic img{transform:scale(1.05)}
.p-card .body{padding:18px 20px;display:flex;flex-direction:column;flex:1}
.p-card h3{font-size:17px}
.p-card .tags{margin:8px 0;display:flex;gap:8px;flex-wrap:wrap}
.p-card .tags i{font-style:normal;font-size:12px;background:var(--ink-pale);color:var(--ink-dark);padding:2px 10px;border-radius:99px}
.p-card .row{margin-top:auto;display:flex;align-items:baseline;justify-content:space-between;border-top:1px dashed #e2dccc;padding-top:12px}
.p-card .price{color:#c0563d;font-weight:800;font-size:20px}
.p-card .price small{font-size:12px;color:var(--text-light);font-weight:400}
.p-card a.more{color:var(--gold);font-weight:700;font-size:13.5px}

/* 筛选栏 */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:30px}
.filter-bar button{border:1px solid var(--ink-light);background:#fff;color:var(--ink-dark);padding:8px 20px;border-radius:99px;cursor:pointer;font-size:14px;font-family:inherit;transition:.15s}
.filter-bar button.on,.filter-bar button:hover{background:var(--ink-green);color:#fff;border-color:var(--ink-green)}

/* FAQ */
.faq-item{background:#fff;border:1px solid #e6e0d2;border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.faq-item summary{cursor:pointer;padding:16px 20px;font-weight:700;color:var(--ink-dark);list-style:none;position:relative;padding-right:46px}
.faq-item summary::after{content:"+";position:absolute;right:20px;color:var(--gold);font-size:20px;font-weight:400}
.faq-item[open] summary::after{content:"−"}
.faq-item .ans{padding:0 20px 16px;color:var(--text-light);font-size:14.5px}
.faq-search{max-width:520px;margin:0 auto 26px;display:flex;gap:10px}
.faq-search input{flex:1;padding:12px 18px;border:1.5px solid var(--ink-light);border-radius:99px;font-size:15px;font-family:inherit;background:#fff}
.faq-search input:focus{outline:none;border-color:var(--ink-green)}

/* 流程轴 */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative}
.step{background:#fff;border-radius:var(--radius);padding:24px 16px;text-align:center;box-shadow:var(--shadow);counter-increment:s}
.step .n{width:36px;height:36px;border-radius:50%;background:var(--ink-green);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;margin:0 auto 10px}
.step h3{font-size:15.5px;margin-bottom:4px}
.step p{font-size:12.5px;color:var(--text-light)}

/* 评价 */
.rev-summary{max-width:680px;margin:0 auto 34px;background:#fff;border-radius:var(--radius);padding:26px 30px;box-shadow:var(--shadow);display:flex;gap:30px;align-items:center;flex-wrap:wrap}
.rev-summary .score{font-size:52px;font-weight:800;color:var(--gold);font-family:var(--font-heading)}
.rev-bars{flex:1;min-width:240px}
.rev-bar{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-light);margin:4px 0}
.rev-bar .track{flex:1;height:8px;background:var(--rice-dark);border-radius:4px;overflow:hidden}
.rev-bar .fill{height:100%;background:var(--gold-light);border-radius:4px}
.rev-list{max-width:820px;margin:0 auto}
.rev-item{background:#fff;border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow);margin-bottom:14px}
.rev-item .stars{color:var(--gold);letter-spacing:2px}
.rev-item .who{margin-top:8px;font-size:13px;color:var(--text-light)}
.rev-item .who b{color:var(--ink-dark)}

/* 文章 */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.blog-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column}
.blog-card:hover{transform:translateY(-4px)}
.blog-card .pic{aspect-ratio:16/9;overflow:hidden}
.blog-card .pic img{width:100%;height:100%;object-fit:cover}
.blog-card .body{padding:18px 20px}
.blog-card .cat{font-size:12px;color:var(--gold);font-weight:700}
.blog-card h3{font-size:16.5px;margin:6px 0}
.blog-card .meta{font-size:12.5px;color:var(--text-light)}
.blog-card p{font-size:13.5px;color:var(--text-light);margin-top:8px}
.article{max-width:780px;margin:0 auto;background:#fff;border-radius:var(--radius);padding:44px 48px;box-shadow:var(--shadow)}
.article h1{font-size:28px;margin-bottom:8px}
.article .meta{color:var(--text-light);font-size:13.5px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid #ece5d5}
.article h2{font-size:21px;margin:28px 0 12px;padding-left:14px;border-left:4px solid var(--gold)}
.article p{margin-bottom:14px}
.article ul,.article ol{margin:0 0 14px 24px}
.article li{margin-bottom:6px}
.article img{border-radius:var(--radius);margin:18px 0}

/* 目的地 */
.dest-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.dest-card{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;color:#fff;display:flex;align-items:flex-end;box-shadow:var(--shadow)}
.dest-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.4s}
.dest-card:hover img{transform:scale(1.06)}
.dest-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(30,53,16,.8))}
.dest-card .in{position:relative;z-index:2;padding:18px}
.dest-card h3{color:#fff;font-size:18px}
.dest-card span{font-size:12.5px;color:var(--gold-light)}
.dest-hero{position:relative;min-height:380px;display:flex;align-items:center;background-size:cover;background-position:center;color:#fff}
.dest-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(30,53,16,.85),rgba(30,53,16,.35))}
.dest-hero .container{position:relative;z-index:2;padding:60px 20px}
.dest-hero h1{color:#fff;font-size:36px}
.dest-hero p{color:#dbe7d2;max-width:600px}
.hl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.hl{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.hl .ico{font-size:24px;margin-bottom:8px}
.hl h3{font-size:15.5px;margin-bottom:4px}
.hl p{font-size:13px;color:var(--text-light)}
.tip-box{background:var(--ink-pale);border-left:4px solid var(--ink-green);border-radius:0 var(--radius) var(--radius) 0;padding:18px 22px;font-size:14px}

/* 关于：时间轴 */
.timeline{max-width:760px;margin:0 auto;position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--ink-light)}
.tl-item{position:relative;margin-bottom:26px;background:#fff;border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow)}
.tl-item::before{content:"";position:absolute;left:-29px;top:22px;width:12px;height:12px;border-radius:50%;background:var(--gold);border:2px solid #fff}
.tl-item .yr{font-weight:800;color:var(--gold);font-family:var(--font-heading);font-size:18px}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.member{background:#fff;border-radius:var(--radius);padding:26px;text-align:center;box-shadow:var(--shadow)}
.member .avatar{width:84px;height:84px;border-radius:50%;background:var(--ink-pale);color:var(--ink-green);display:flex;align-items:center;justify-content:center;font-size:34px;margin:0 auto 12px}
.member h3{font-size:16.5px}
.member span{font-size:13px;color:var(--gold);font-weight:700}
.member p{font-size:13px;color:var(--text-light);margin-top:8px}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:28px}
.c-card{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.c-line{display:flex;gap:12px;margin-bottom:16px;align-items:flex-start}
.c-line .ico{width:40px;height:40px;border-radius:10px;background:var(--ink-pale);color:var(--ink-green);display:flex;align-items:center;justify-content:center;flex:none}
.c-line b{display:block;font-size:13px;color:var(--gold)}
.c-line span{font-size:15.5px}
.qr-row{display:flex;gap:16px;margin-top:10px;flex-wrap:wrap}
.qr-item{background:var(--rice-paper);border-radius:12px;padding:10px;text-align:center}
.qr-item img{width:104px;height:104px;object-fit:contain}
.qr-item span{font-size:12.5px;font-weight:700;color:var(--ink-dark)}
form input,form select,form textarea{width:100%;padding:11px 14px;border:1.5px solid #ddd3bd;border-radius:8px;font-size:15px;font-family:inherit;margin-bottom:13px;background:#fff}
form input:focus,form select:focus,form textarea:focus{outline:none;border-color:var(--ink-green)}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.map-ph{background:var(--ink-pale);border-radius:var(--radius);height:220px;display:flex;align-items:center;justify-content:center;color:var(--ink-green);font-weight:700;margin-top:8px}

/* 表单页/成功页 */
.submit-hero{max-width:640px;margin:60px auto;background:#fff;border-radius:var(--radius);padding:50px 40px;text-align:center;box-shadow:var(--shadow)}
.submit-hero .ok{width:76px;height:76px;border-radius:50%;background:var(--ink-pale);color:var(--ink-green);font-size:38px;display:flex;align-items:center;justify-content:center;margin:0 auto 18px}

/* 预订弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(30,40,20,.55);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.modal-mask.show{display:flex}
.modal{background:#fff;border-radius:14px;max-width:420px;width:100%;padding:30px;text-align:center;position:relative}
.modal .close{position:absolute;top:12px;right:16px;font-size:22px;color:var(--text-light);cursor:pointer;border:0;background:none}
.robot{width:64px;height:64px;border-radius:50%;background:var(--ink-pale);margin:0 auto 14px;display:flex;align-items:center;justify-content:center;font-size:30px;animation:breath 1.6s infinite}
@keyframes breath{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.08);opacity:.75}}
.agent{background:var(--rice-paper);border-radius:12px;padding:16px;margin-top:14px}
.agent b{color:var(--ink-dark);font-size:16px}
.agent .stats{display:flex;justify-content:center;gap:18px;margin-top:8px;font-size:12.5px;color:var(--text-light)}
.progress{display:flex;gap:6px;margin:18px 0 6px}
.progress i{flex:1;height:6px;border-radius:3px;background:var(--rice-dark)}
.progress i.done{background:var(--ink-green)}

/* 页脚 */
footer{background:var(--ink-dark);color:#b9ccb0;padding:52px 0 0;font-size:14px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px;padding-bottom:34px}
.foot-grid h4{color:#fff;font-size:16px;margin-bottom:14px}
.foot-grid a{display:block;padding:3px 0;color:#b9ccb0}
.foot-grid a:hover{color:var(--gold-light)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;text-align:center;font-size:12.5px;color:#8ba383}

/* 浮动联系 */
.float-cta{position:fixed;right:18px;bottom:18px;z-index:80;display:flex;flex-direction:column;gap:10px}
.float-cta a{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:0 4px 14px rgba(0,0,0,.2)}
.float-cta .tel{background:var(--gold);color:#fff}
.float-cta .wx{background:var(--ink-green);color:#fff}

@media (max-width:960px){
  .menu{display:none}
  .burger{display:block}
  .menu.open{display:flex;position:absolute;top:66px;left:0;right:0;background:var(--rice-paper);flex-direction:column;padding:12px 20px;box-shadow:0 12px 24px rgba(0,0,0,.12)}
  .adv-grid,.hl-grid{grid-template-columns:repeat(2,1fr)}
  .line-grid,.p-grid,.blog-grid,.dest-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero-slide h1{font-size:28px}
  .article{padding:28px 22px}
}
@media (max-width:600px){
  .adv-grid,.line-grid,.p-grid,.blog-grid,.dest-grid,.steps,.hl-grid,.team-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .f-row{grid-template-columns:1fr}
}

/* Destination navigation and service strengths */
.dest-hero a{color:inherit}.dest-hero a:hover{color:var(--gold)}
.service-strengths .adv p{line-height:1.85}.service-strengths .adv h3{margin-bottom:12px}

/* Keep destination links consistent before and after a visit. */
footer .foot-grid a:link,footer .foot-grid a:visited{color:#b9ccb0} 
footer .foot-grid a:hover,footer .foot-grid a:focus-visible{color:var(--gold-light)}
.dest-hero a:link,.dest-hero a:visited{color:inherit}
.dest-hero a:hover,.dest-hero a:focus-visible{color:var(--gold-light)}


footer .foot-grid a.footer-phone{font-size:28px;font-weight:800;line-height:1.4;letter-spacing:.5px;color:#fff;padding:6px 0 12px;white-space:nowrap} 
footer .foot-grid a.footer-phone:hover,footer .foot-grid a.footer-phone:focus-visible{color:var(--gold-light)}


/* Prominent user-approved satisfaction guarantee. */
.refund-guarantee{background:#2d5016;color:#fff;padding:28px 0;border-bottom:4px solid #b8914d}
.refund-guarantee .container{display:flex;align-items:center;justify-content:space-between;gap:24px}
.refund-label{font-size:14px;color:#d4b872;font-weight:700;margin:0 0 6px}
.refund-title{font-family:var(--font-body);font-size:clamp(28px,3.4vw,44px);font-weight:800;line-height:1.35;margin:0 0 8px;color:#fff}
.refund-help{font-size:14px;color:#e3eddc;margin:0;line-height:1.7}
.refund-guarantee .btn{flex-shrink:0}
@media(max-width:760px){.refund-guarantee .container{align-items:flex-start;flex-direction:column;gap:16px}.refund-guarantee{padding:24px 0}}

.shanghai-bus{background:var(--rice-dark)}
.bus-showcase{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center}
.bus-feature,.bus-photo-grid figure{margin:0;overflow:hidden;border-radius:10px;background:#fff}
.bus-feature img{width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;background:#edf0eb}
.shanghai-bus figcaption{padding:12px 16px;color:var(--text-light);font-size:13px}
.bus-description h3{font-size:26px;margin-bottom:16px}.bus-description p{margin-bottom:16px;line-height:1.85}
.bus-description .bus-capacity{font-size:26px;font-weight:800;color:var(--ink-dark)}
.bus-capacity span{display:block;font-size:13px;font-weight:400;color:var(--text-light)}
.bus-contact{display:block;margin-top:14px;color:var(--ink-dark);font-weight:700}
.bus-photo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:24px}
.bus-photo-grid img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#edf0eb}
@media(max-width:760px){.bus-showcase,.bus-photo-grid{grid-template-columns:1fr}.bus-showcase{gap:20px}}

.hero-dots button{border:0;padding:0;min-height:12px}.hero-dots button:focus-visible{outline:2px solid white;outline-offset:4px}
#vehicle-list,#booking,#contact-qr{scroll-margin-top:100px}

/* Homepage service differentiators */
.home-differences{background:#eef3e8;padding:36px 0;border-bottom:1px solid #d5dfca}.home-differences .sec-head{margin-bottom:24px}.difference-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px}.difference-card{grid-column:span 2;background:#fff;border:1px solid #d7e1d0;border-radius:14px;padding:22px}.difference-card:nth-child(n+4){grid-column:span 3}.difference-number{display:block;font-size:14px;font-weight:700;color:#786021;margin-bottom:8px}.difference-card h3{font-size:21px;line-height:1.4;margin:0 0 12px;color:#294918}.difference-card p{font-size:15px;line-height:1.85;margin:0;color:#40513c}.difference-card:nth-child(3){border:2px solid #ac8746}.difference-action{text-align:center;margin-top:24px}@media(max-width:700px){.difference-grid{grid-template-columns:1fr}.difference-card,.difference-card:nth-child(n+4){grid-column:auto}.home-differences{padding:28px 0}.difference-card{padding:18px}.difference-card h3{font-size:20px}}