/* ============================================================
   西安顺道物流 — 全新设计系统
   配色取自 logo：主红 #700000 系 / 赭金 #C09030
   ============================================================ */
:root{
  --red:#7A1414;          /* 主红 */
  --red-deep:#4A0D0D;     /* 深红（渐变底） */
  --red-ink:#5C1010;      /* 标题红 */
  --gold:#C09030;         /* logo 金 */
  --gold-light:#E5BC5E;   /* 亮金（深底文字） */
  --gold-pale:#F6EBD3;    /* 浅金底 */
  --ink:#262019;          /* 正文暖黑 */
  --muted:#7C7164;        /* 次级文字 */
  --paper:#FAF6EF;        /* 象牙白背景 */
  --card:#FFFFFF;
  --line:#EAE0CF;         /* 卡片描边 */
  --ok:#3E7C4F;           /* 对勾绿 */
  --radius:14px;
  --shadow:0 10px 30px rgba(74,13,13,.08);
  --shadow-lg:0 22px 60px rgba(0,0,0,.28);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
section{padding:72px 0}
section.white{background:#fff}

/* ---------- 顶部导航 ---------- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;gap:14px;height:68px}
.brand{display:flex;align-items:center;gap:11px;margin-right:auto}
.brand img{height:44px;width:44px;object-fit:contain}
.brand b{font-size:17.5px;letter-spacing:1px;color:var(--red-ink)}
.brand small{display:block;font-size:10.5px;color:var(--muted);letter-spacing:2.5px;line-height:1.2}
.nav{display:flex;gap:4px;align-items:center}
.nav a{padding:8px 13px;border-radius:8px;font-size:14.5px;color:#4a4038;white-space:nowrap}
.nav a:hover{background:var(--gold-pale);color:var(--red-ink)}
.nav a.on{color:var(--red);font-weight:600}
.callbtn{background:var(--red);color:#fff !important;border-radius:22px;padding:9px 18px;font-weight:600;display:inline-flex;align-items:center;gap:7px}
.callbtn:hover{background:var(--red-ink)}
.callbtn .e-ico{color:#fff}
@media(max-width:900px){.nav{display:none}}
@media(max-width:560px){.brand small{display:none}.callbtn{padding:8px 13px;font-size:13.5px}}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(128deg,#240808 0%,var(--red-deep) 46%,#6E1616 100%);color:#fff;padding:86px 0 78px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;left:-140px;bottom:-180px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(192,144,48,.22),transparent 68%)}
.hero:after{content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(229,188,94,.16),transparent 66%)}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.kicker-hero{display:inline-flex;align-items:center;gap:8px;background:rgba(229,188,94,.14);border:1px solid rgba(229,188,94,.45);color:var(--gold-light);font-size:13px;letter-spacing:2px;padding:6px 14px;border-radius:20px;margin-bottom:22px}
.hero h1{font-size:40px;line-height:1.3;font-weight:800;letter-spacing:.5px;margin-bottom:16px}
.hero h1 .hl{color:var(--gold-light)}
.hero .lede{font-size:16.5px;color:#E8DCCB;max-width:560px;margin-bottom:22px}
.hero .lede b{color:#fff}
.quick{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:26px}
.quick span{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.22);padding:7px 14px;border-radius:20px;font-size:13.5px;color:#F3E9D8}
.quick .e-ico{color:#8FD9A5;width:15px;height:15px}
.cta{display:flex;gap:13px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 28px;border-radius:10px;font-size:16px;font-weight:600;transition:.15s}
.btn-gold{background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#3A2200;box-shadow:0 8px 24px rgba(192,144,48,.35)}
.btn-gold:hover{transform:translateY(-2px)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.hero-visual{text-align:center;position:relative}
.hero-visual .logo-card{display:inline-block;background:#fff;border-radius:22px;padding:26px 30px;box-shadow:var(--shadow-lg);max-width:320px}
.hero-visual .logo-card img{border-radius:6px}
.hero-visual .logo-cap{margin-top:16px;color:#D9C6A6;font-size:13.5px;letter-spacing:3px}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr;text-align:center}.hero .lede{margin:0 auto 22px}.quick,.cta{justify-content:center}.hero h1{font-size:31px}}

/* ---------- 数字条 ---------- */
.stats{background:#fff;border-bottom:1px solid var(--line);padding:30px 0}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;text-align:center}
.stats b{display:block;font-size:26px;color:var(--red);font-weight:800}
.stats span{font-size:13.5px;color:var(--muted)}
@media(max-width:760px){.stats .wrap{grid-template-columns:repeat(2,1fr)}}

/* ---------- 章节标题 ---------- */
.kicker{color:var(--gold);font-size:13.5px;letter-spacing:3px;font-weight:700;margin-bottom:10px}
h2.s{font-size:29px;font-weight:800;line-height:1.35}
.rline{width:52px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--red),var(--gold));margin:16px 0 14px}
.intro{color:var(--muted);max-width:640px}

/* ---------- 六宫格承诺 ---------- */
.grid6{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.pcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;transition:.18s}
.pcard:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#E0C896}
.pcard .ico{width:52px;height:52px;border-radius:13px;background:linear-gradient(135deg,#FBF3E0,#F3E2C0);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.pcard .ico .e-ico{width:26px;height:26px;color:var(--red)}
.pcard h3{font-size:17.5px;margin-bottom:8px}
.pcard p{font-size:14.5px;color:var(--muted)}
@media(max-width:900px){.grid6{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid6{grid-template-columns:1fr}}

/* ---------- 车型 ---------- */
.vehicles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.vcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px;text-align:center;transition:.18s}
.vcard:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.vcard .vicon{width:66px;height:66px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(135deg,#FBF3E0,#F3E2C0);display:flex;align-items:center;justify-content:center}
.vcard .vicon .e-ico{width:36px;height:36px;color:var(--red)}
.vcard h3{font-size:18px;margin-bottom:8px}
.vcard p{font-size:14px;color:var(--muted)}
.vcard .tag{display:inline-block;margin-top:12px;font-size:12.5px;color:var(--red);background:var(--gold-pale);border-radius:14px;padding:4px 12px}
@media(max-width:900px){.vehicles{grid-template-columns:1fr;max-width:420px;margin-left:auto;margin-right:auto}}

/* ---------- 电池合规 ---------- */
.battery{background:linear-gradient(135deg,#FFF9EC,#FBF0D8);border:1px solid #EBD9A8;border-left:5px solid var(--gold);border-radius:var(--radius);padding:30px 32px}
.battery h3{display:flex;align-items:center;gap:10px;color:var(--red-ink);font-size:18.5px;margin-bottom:12px}
.battery h3 .e-ico{color:var(--red);width:22px;height:22px}
.battery p{font-size:15px;margin-bottom:10px}
.battery p:last-child{margin-bottom:0}
.battery .e-ico{width:16px;height:16px;vertical-align:-2px;color:var(--red)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:34px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative}
.step .n{font-size:13px;font-weight:800;letter-spacing:2px;color:var(--gold);margin-bottom:10px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}

/* ---------- 线路卡片 ---------- */
.routes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.rcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 26px 22px;transition:.18s;display:flex;flex-direction:column}
.rcard:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#E0C896}
.rcard .lane{font-size:19px;font-weight:800;margin-bottom:4px}
.rcard .lane em{font-style:normal;color:var(--gold)}
.rcard .dist{font-size:13px;color:var(--muted);margin-bottom:14px}
.rcard .price{font-size:23px;font-weight:800;color:var(--red)}
.rcard .price small{font-size:12.5px;color:var(--muted);font-weight:400;display:block}
.rcard .days{margin-top:10px;font-size:13.5px;color:var(--ink);display:flex;align-items:center;gap:6px}
.rcard .days .e-ico{width:15px;height:15px;color:var(--gold)}
.rcard .go{margin-top:auto;padding-top:16px;font-size:14px;color:var(--red);font-weight:600}
@media(max-width:900px){.routes{grid-template-columns:1fr;max-width:440px;margin-left:auto;margin-right:auto}}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:34px auto 0}
details{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
summary{list-style:none;cursor:pointer;padding:18px 56px 18px 22px;font-size:16px;font-weight:600;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;border-right:2px solid var(--gold);border-bottom:2px solid var(--gold);transform:translateY(-70%) rotate(45deg);transition:.2s}
details[open] summary:after{transform:translateY(-30%) rotate(-135deg)}
details .a{padding:0 22px 20px;font-size:14.8px;color:#55493C}
details .a b{color:var(--red-ink)}

/* ---------- 联系区 ---------- */
.contact{background:linear-gradient(118deg,#31A66E 0%,#237C51 55%,#1A5E3E 100%);color:#fff;border-radius:20px;padding:52px 46px;display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;box-shadow:0 18px 50px rgba(26,94,62,.25)}
.contact h2{font-size:27px;font-weight:800;margin-bottom:10px}
.contact .sub{color:#D9F0E3;font-size:15px;margin-bottom:24px}
.contact .tel{font-size:38px;font-weight:800;color:#FFFFFF;display:inline-flex;align-items:center;gap:14px;letter-spacing:1.5px;text-shadow:0 2px 10px rgba(0,0,0,.18)}
.contact .tel .e-ico{width:30px;height:30px}
.contact .meta{margin-top:20px;font-size:14.5px;color:#DFF2E7;display:grid;gap:9px}
.contact .meta .e-ico{width:16px;height:16px;color:#BDEED4;vertical-align:-3px;margin-right:8px}
.contact .side{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.32);border-radius:16px;padding:28px}
.contact .side h3{font-size:16.5px;color:#D8F5E5;margin-bottom:14px}
.contact .side li{list-style:none;font-size:14.5px;color:#EAF7F0;padding:7px 0;border-bottom:1px dashed rgba(255,255,255,.22)}
.contact .side li:last-child{border-bottom:0}
@media(max-width:860px){.contact{grid-template-columns:1fr;padding:38px 26px}}

/* ---------- 页脚 ---------- */
footer{background:#1C0808;color:#B39B7E;padding:40px 0 34px;font-size:13.5px}
footer .wrap{display:grid;gap:8px}
footer .fbrand{color:#E8D5B5;font-weight:700;font-size:15.5px;margin-bottom:4px}
footer a{color:#D6B98A}
footer .bei{color:#8A7355}
footer .bei a{color:#8A7355}

/* ---------- 线路页 ---------- */
.crumbs{padding:18px 0 0;font-size:13px;color:var(--muted)}
.crumbs a{color:var(--red)}
.hero-sub{background:linear-gradient(128deg,#240808,var(--red-deep) 46%,#6E1616);color:#fff;padding:56px 0 50px;position:relative;overflow:hidden}
.hero-sub:after{content:"";position:absolute;right:-110px;top:-110px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(229,188,94,.15),transparent 66%)}
.hero-sub .wrap{position:relative;z-index:2}
.hero-sub h1{font-size:33px;font-weight:800;margin:14px 0 12px}
.hero-sub h1 .hl{color:var(--gold-light)}
.hero-sub .lede{color:#E8DCCB;max-width:680px;font-size:15.5px}
.hero-sub .quick{margin:20px 0 0}
.pricebox{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.pbox{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--gold);border-radius:12px;padding:24px 24px 20px}
.pbox h4{font-size:15px;color:var(--muted);font-weight:600;margin-bottom:8px}
.pbox .p{font-size:26px;font-weight:800;color:var(--red)}
.pbox .p small{font-size:13px;color:var(--muted);font-weight:400}
.pbox p{font-size:13.5px;color:var(--muted);margin-top:6px}
.pbox.hl{background:linear-gradient(160deg,#FFF6E4,#FFFCF5);border-color:var(--gold);border-top-width:5px;box-shadow:0 8px 22px rgba(122,20,20,.10)}
.pbox.hl h4{color:var(--red)}
.pbox.hl .p{font-size:34px;line-height:1.1}
.sub-h{font-size:19px;font-weight:700;color:var(--ink);margin:52px 0 6px;padding-left:14px;border-left:5px solid var(--red)}
.tb-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin-top:14px}
.tb-scroll .tb{min-width:640px}
@media(max-width:860px){.pricebox{grid-template-columns:1fr}.sub-h{font-size:17px;margin-top:42px}}
table.tb{width:100%;border-collapse:collapse;margin-top:22px;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow);font-size:14.5px}
table.tb th{background:var(--gold-pale);color:var(--red-ink);text-align:left;padding:13px 18px;font-size:14px}
table.tb td{padding:13px 18px;border-top:1px solid #F0E8D8}
.tip{display:flex;gap:12px;background:#FDF6E7;border:1px solid #EBD9A8;border-left:4px solid var(--gold);border-radius:10px;padding:16px 18px;margin-top:22px;font-size:14.5px}
.tip .e-ico{flex:none;width:19px;height:19px;color:var(--gold);margin-top:4px}
.h2row{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}

/* ---------- 通用图标 ---------- */
.e-ico{width:1.05em;height:1.05em;vertical-align:-0.18em;display:inline-block}

/* ---------- 公安备案标识 ---------- */
.e-police{width:14px;height:14px;vertical-align:-2px;margin-right:3px;color:#C0392B}
footer .bei{display:flex;flex-wrap:wrap;align-items:center;gap:6px;line-height:1.9}
footer .bei a{white-space:nowrap}


/* ============================================================
   浮动联系方式：桌面右侧双圆钮 / 手机底部吸底条
   ============================================================ */
.float-dock{position:fixed;z-index:900;pointer-events:none}
.float-dock>*{pointer-events:auto}

/* —— 桌面端 —— */
.dock-desktop{position:fixed;right:22px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:12px;z-index:901}
.dock-btn{position:relative;width:56px;height:56px;border:0;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:0 8px 22px rgba(74,13,13,.24);transition:transform .16s ease, box-shadow .16s ease;text-decoration:none}
.dock-btn .e-ico{width:24px;height:24px}
.dock-btn:hover{transform:scale(1.08);box-shadow:0 12px 28px rgba(74,13,13,.32)}
.dock-tel{background:linear-gradient(135deg,#31A66E,#1F7A4C);color:#fff}
.dock-wx{background:linear-gradient(135deg,#3BAB6E,#237C51);color:#fff}
.dock-top{background:#fff;color:var(--red);border:1px solid var(--line);opacity:0;visibility:hidden;transform:translateY(8px) scale(.9)}
.dock-top.show{opacity:1;visibility:visible;transform:none}
.dock-top:hover{background:var(--gold-pale)}

/* 电话悬停提示 */
.dock-tip{position:absolute;right:70px;top:50%;transform:translateY(-50%) translateX(6px);white-space:nowrap;background:#fff;color:var(--red-ink);
  font-size:14px;font-weight:600;padding:9px 15px;border-radius:9px;box-shadow:0 10px 26px rgba(0,0,0,.14);opacity:0;visibility:hidden;transition:.16s}
.dock-tip:after{content:"";position:absolute;right:-5px;top:50%;transform:translateY(-50%) rotate(45deg);width:10px;height:10px;background:#fff}
.dock-tel:hover .dock-tip{opacity:1;visibility:visible;transform:translateY(-50%)}

/* 微信悬停二维码卡 */
.dock-qr-card{position:absolute;right:70px;top:50%;transform:translateY(-50%) translateX(6px);width:212px;background:#fff;border-radius:14px;padding:14px 14px 12px;
  box-shadow:0 16px 44px rgba(0,0,0,.2);opacity:0;visibility:hidden;transition:.18s;text-align:center}
.dock-qr-card:after{content:"";position:absolute;right:-5px;top:50%;transform:translateY(-50%) rotate(45deg);width:10px;height:10px;background:#fff}
.dock-qr-card img{width:180px;height:180px;margin:0 auto;border-radius:6px}
.dock-qr-card b{display:block;font-size:13.5px;color:var(--red-ink);margin-top:9px}
.dock-qr-card em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);margin-top:3px}
.dock-wx:hover .dock-qr-card{opacity:1;visibility:visible;transform:translateY(-50%)}

/* —— 手机端吸底条 —— */
.dock-mobile{position:fixed;left:0;right:0;bottom:0;display:none;gap:10px;padding:9px 12px calc(9px + env(safe-area-inset-bottom,0px));
  background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-top:1px solid var(--line);box-shadow:0 -6px 22px rgba(0,0,0,.08)}
.dm-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:7px;height:48px;border:0;border-radius:11px;
  font-size:16px;font-weight:700;cursor:pointer;text-decoration:none}
.dm-btn .e-ico{width:19px;height:19px}
.dm-tel{background:linear-gradient(135deg,#31A66E,#1F7A4C);color:#fff}
.dm-wx{background:linear-gradient(135deg,#F0CE72,#C09030);color:#3A2200}
body{padding-bottom:0}
@media(max-width:860px){
  .dock-desktop{display:none}
  .dock-mobile{display:flex}
  body{padding-bottom:74px}
}

/* —— 二维码弹层 —— */
.qr-modal{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;padding:20px}
.qr-modal.on{display:flex}
.qr-mask{position:absolute;inset:0;background:rgba(20,8,8,.62);backdrop-filter:blur(3px)}
.qr-panel{position:relative;z-index:2;background:#fff;border-radius:20px;padding:30px 28px 24px;width:100%;max-width:366px;text-align:center;
  box-shadow:0 30px 80px rgba(0,0,0,.35);animation:qrIn .22s ease}
@keyframes qrIn{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}
.qr-close{position:absolute;right:14px;top:14px;z-index:10;width:34px;height:34px;border:0;border-radius:50%;background:#F4EFE6;color:var(--muted);cursor:pointer;
  display:flex;align-items:center;justify-content:center}
.qr-close .e-ico{width:17px;height:17px}
.qr-close:hover{background:#E9E0D2;color:var(--red-ink)}
.qr-panel h3{font-size:17px;color:var(--red-ink);margin-bottom:16px;line-height:1.5}
.qr-frame{border:1px solid var(--line);border-radius:14px;padding:12px;display:inline-block;background:#fff}
.qr-frame img{width:250px;height:250px;border-radius:6px}
.qr-hint{font-size:13px;color:var(--muted);margin:13px 0 16px}
.qr-copy{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;height:46px;border:1.5px solid var(--gold);background:var(--gold-pale);
  color:#7A5A10;border-radius:11px;font-size:15px;font-weight:700;cursor:pointer;transition:.15s}
.qr-copy:hover{background:#F1E3C4}
.qr-copy.ok{background:#E4F5EA;border-color:#3E7C4F;color:#2C5E3B}
.qr-copy .e-ico{width:17px;height:17px}
.qr-call{margin-top:11px;display:flex;align-items:center;justify-content:center;gap:8px;height:46px;border-radius:11px;
  background:linear-gradient(135deg,#31A66E,#1F7A4C);color:#fff;font-size:15px;font-weight:700;text-decoration:none}
.qr-call .e-ico{width:18px;height:18px}
@media(max-width:420px){.qr-frame img{width:210px;height:210px}}