/* ============ 设计令牌 ============ */
:root{
  --coral:#ed513a;
  --coral-deep:#cf3a25;
  --coral-deep2:#b32d1c;
  --coral-soft:#fdeeea;
  --coral-mist:#fbf1ee;
  --blush:#f6ded8;
  --gold:#c89b52;
  --gold-soft:#f0e2c8;
  --ink:#241412;
  --ink-2:#5f4b46;
  --ink-3:#8a7973;
  --line:#ead9d2;
  --surface:#fbf7f3;
  --cream:#fffdfb;
  --plum:#2a1613;
  --plum-2:#3a201a;
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",sans-serif;
  --shadow:0 18px 50px -22px rgba(167,74,46,.35);
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--surface);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{width:min(1160px,100% - 40px);margin-inline:auto}
.sec{padding-block:88px}
h1,h2,h3,.serif{font-family:var(--serif)}
.section-head{max-width:720px;margin-bottom:52px}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--coral);font-weight:600;margin-bottom:14px}
.kicker::before{content:"";width:22px;height:2px;background:var(--coral);border-radius:2px}
.section-head h2{font-size:clamp(26px,4vw,40px);line-height:1.3;letter-spacing:.01em}
.section-head .lead{margin-top:14px;color:var(--ink-2);font-size:clamp(15px,1.8vw,17px)}
.center{text-align:center}
.center .kicker{justify-content:center}
.center .kicker::after{content:"";width:22px;height:2px;background:var(--coral);border-radius:2px}

/* ============ 顶部导航 ============ */
.site-head{position:sticky;top:0;z-index:60;background:rgba(251,247,243,.86);backdrop-filter:blur(12px);border-bottom:1px solid rgba(234,217,210,.6);transition:box-shadow .3s}
.site-head.scrolled{box-shadow:0 10px 30px -24px rgba(36,20,18,.5)}
.head-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--coral);display:grid;place-items:center;flex:none}
.brand-mark svg{width:22px;height:22px}
.brand-name{font-family:var(--serif);font-weight:700;font-size:21px;letter-spacing:.02em}
.brand-name b{color:var(--coral)}
.brand-tag{display:block;font-family:var(--sans);font-size:10.5px;letter-spacing:.2em;color:var(--ink-3);font-weight:600;margin-top:1px}
.main-nav{display:flex;align-items:center;gap:30px}
.main-nav a{font-size:15px;color:var(--ink-2);font-weight:500;position:relative;transition:color .2s}
.main-nav a:hover{color:var(--coral)}
.main-nav a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--coral);transition:width .25s;border-radius:2px}
.main-nav a:hover::after{width:100%}
.head-cta{display:inline-flex;align-items:center;gap:8px;background:var(--coral);color:#fff;padding:10px 20px;border-radius:999px;font-weight:600;font-size:14.5px;transition:background .2s,transform .2s}
.head-cta:hover{background:var(--coral-deep)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:44px;height:44px;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:2.5px 0;border-radius:2px;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none;position:fixed;inset:72px 0 0 0;background:var(--cream);z-index:55;padding:28px 24px;flex-direction:column;gap:6px;overflow:auto}
.mobile-menu.open{display:flex}
.mobile-menu a{font-size:19px;font-weight:600;padding:14px 6px;border-bottom:1px solid var(--line);color:var(--ink)}
.mobile-menu .m-cta{margin-top:20px;text-align:center}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:600;border-radius:999px;padding:15px 28px;font-size:15.5px;border:0;cursor:pointer;transition:transform .18s,box-shadow .18s,background .2s,color .2s;font-family:var(--sans)}
.btn svg{width:17px;height:17px;flex:none}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 14px 34px -14px rgba(237,81,58,.75)}
.btn-primary:hover{background:var(--coral-deep);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{border-color:var(--coral);color:var(--coral)}
.btn-light{background:#fff;color:var(--coral-deep)}
.btn-light:hover{background:var(--coral-soft)}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#fdf0ec 0%,#fbf7f3 45%,#f9ece6 100%)}
.hero::before{content:"";position:absolute;top:-180px;right:-140px;width:520px;height:520px;background:radial-gradient(circle,rgba(237,81,58,.16),transparent 65%);border-radius:50%}
.hero::after{content:"";position:absolute;bottom:-220px;left:-160px;width:560px;height:560px;background:radial-gradient(circle,rgba(200,155,82,.12),transparent 62%);border-radius:50%}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-block:80px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);padding:8px 16px;border-radius:999px;font-size:13px;color:var(--ink-2);font-weight:500;box-shadow:0 8px 22px -18px rgba(36,20,18,.4)}
.hero-eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 4px var(--coral-soft)}
.hero h1{font-size:clamp(34px,5.4vw,58px);line-height:1.18;margin:26px 0 22px;letter-spacing:.01em}
.hero h1 .accent{color:var(--coral)}
.hero h1 .accent-br{display:block}
.hero-sub{font-size:clamp(15.5px,1.9vw,18px);color:var(--ink-2);max-width:520px}
.hero-sub strong{color:var(--ink);font-weight:600}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-trust{display:flex;flex-wrap:wrap;gap:20px;margin-top:34px;color:var(--ink-3);font-size:13.5px}
.hero-trust span{display:inline-flex;align-items:center;gap:7px}
.hero-trust svg{width:15px;height:15px;color:var(--coral)}
.hero-visual{position:relative}
.hero-img{width:100%;border-radius:24px;box-shadow:var(--shadow);object-fit:cover;aspect-ratio:4/5}
.hero-badge{position:absolute;left:-26px;bottom:34px;background:#fff;border-radius:16px;padding:16px 20px;box-shadow:var(--shadow);display:flex;align-items:center;gap:13px;max-width:250px}
.hero-badge .b-ic{width:42px;height:42px;border-radius:12px;background:var(--coral-soft);display:grid;place-items:center;flex:none}
.hero-badge .b-ic svg{width:22px;height:22px;color:var(--coral)}
.hero-badge b{font-size:15px;display:block;line-height:1.3}
.hero-badge small{color:var(--ink-3);font-size:12px}

/* ============ 数据条 ============ */
.stats-bar{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.stats-bar::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 12% 0%,rgba(237,81,58,.28),transparent 45%),radial-gradient(circle at 88% 100%,rgba(200,155,82,.18),transparent 45%)}
.stats-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-block:44px}
.stat{text-align:center}
.stat b{font-family:var(--serif);font-size:clamp(30px,4.4vw,46px);font-weight:700;color:#fff;display:block;line-height:1.1}
.stat b em{font-style:normal;color:var(--coral);font-size:.72em;margin-left:2px}
.stat span{color:rgba(255,255,255,.68);font-size:13.5px;letter-spacing:.03em;margin-top:6px;display:block}

/* ============ 理念 ============ */
.philosophy{background:var(--cream)}
.philosophy-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:60px;align-items:center}
.phy-visual{position:relative}
.phy-img{width:100%;border-radius:22px;object-fit:cover;aspect-ratio:3/2;box-shadow:var(--shadow)}
.phy-stamp{position:absolute;right:-20px;top:-22px;background:var(--coral);color:#fff;border-radius:14px;padding:14px 18px;font-family:var(--serif);font-size:15px;font-weight:600;box-shadow:var(--shadow);line-height:1.4}
.phy-copy h3{font-size:clamp(22px,3vw,30px);line-height:1.35;margin-bottom:18px}
.phy-copy p{color:var(--ink-2);margin-bottom:26px}
.phy-list{display:grid;gap:18px}
.phy-item{display:flex;gap:16px;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);transition:transform .2s,border-color .2s}
.phy-item:hover{transform:translateY(-3px);border-color:var(--coral-soft)}
.phy-item .pi-ic{width:46px;height:46px;border-radius:12px;background:var(--coral-soft);display:grid;place-items:center;flex:none}
.phy-item .pi-ic svg{width:23px;height:23px;color:var(--coral)}
.phy-item b{font-size:16.5px;display:block;margin-bottom:4px}
.phy-item p{color:var(--ink-3);font-size:14px;margin:0}

/* ============ 严选标准 ============ */
.standards{background:var(--surface)}
.std-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.std-card{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;position:relative;overflow:hidden;transition:transform .22s,box-shadow .22s}
.std-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.std-num{position:absolute;top:20px;right:24px;font-family:var(--serif);font-size:44px;font-weight:700;color:var(--coral-soft);line-height:1}
.std-ic{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--coral),var(--coral-deep));display:grid;place-items:center;margin-bottom:20px}
.std-ic svg{width:26px;height:26px;color:#fff}
.std-card h3{font-size:18.5px;margin-bottom:10px}
.std-card h3 .tick{display:inline-flex;align-items:center;vertical-align:-2px;margin-right:6px;color:var(--coral)}
.std-card h3 .tick svg{width:17px;height:17px}
.voice-stars svg{display:block}
.std-card p{color:var(--ink-3);font-size:14.5px}

/* ============ 服务项目 ============ */
.services{background:var(--cream)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc-card{position:relative;background:var(--surface);border-radius:var(--radius);padding:32px 26px 28px;border:1px solid var(--line);overflow:hidden;transition:transform .22s,box-shadow .22s,border-color .22s}
.svc-card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--coral),var(--gold));transform:scaleX(0);transform-origin:left;transition:transform .3s}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.svc-card:hover::after{transform:scaleX(1)}
.svc-index{font-family:var(--serif);font-size:15px;color:var(--coral);font-weight:600;letter-spacing:.08em}
.svc-card h3{font-size:20px;margin:12px 0 8px}
.svc-card p{color:var(--ink-3);font-size:14.5px}
.svc-tag{display:inline-flex;margin-top:16px;font-size:12.5px;color:var(--coral-deep);background:var(--coral-soft);padding:5px 12px;border-radius:999px;font-weight:500}

/* ============ 流程 ============ */
.process{background:var(--plum);color:#fff;position:relative;overflow:hidden}
.process::before{content:"";position:absolute;top:-160px;right:-120px;width:460px;height:460px;background:radial-gradient(circle,rgba(237,81,58,.3),transparent 62%);border-radius:50%}
.process .section-head h2{color:#fff}
.process .section-head .lead{color:rgba(255,255,255,.72)}
.process .kicker{color:var(--gold)}
.process .kicker::before,.process .center .kicker::after{background:var(--gold)}
.proc-steps{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.proc-steps::before{content:"";position:absolute;top:34px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,rgba(237,81,58,.25),rgba(237,81,58,.8),rgba(237,81,58,.25))}
.proc-step{position:relative;text-align:center;padding-top:0}
.proc-node{position:relative;width:68px;height:68px;margin:0 auto 18px;background:var(--plum-2);border:2px solid var(--coral);border-radius:50%;display:grid;place-items:center;z-index:2;font-family:var(--serif);font-size:24px;font-weight:700;color:var(--coral)}
.proc-step h3{font-size:17px;margin-bottom:8px}
.proc-step p{color:rgba(255,255,255,.66);font-size:13.5px;line-height:1.6}
.proc-note{margin-top:44px;text-align:center;color:rgba(255,255,255,.6);font-size:14px}
.proc-note b{color:var(--gold);font-weight:600}

/* ============ 保障 ============ */
.guarantee{background:var(--cream)}
.guarantee-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.g-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;position:relative}
.g-card .g-ic{width:54px;height:54px;border-radius:50%;border:1.5px dashed var(--coral);display:grid;place-items:center;margin-bottom:18px}
.g-card .g-ic svg{width:26px;height:26px;color:var(--coral)}
.g-card h3{font-size:19px;margin-bottom:10px}
.g-card p{color:var(--ink-3);font-size:14.5px;margin-bottom:14px}
.g-card .g-tags{display:flex;flex-wrap:wrap;gap:8px}
.g-card .g-tags i{font-style:normal;font-size:12.5px;background:var(--coral-soft);color:var(--coral-deep);padding:5px 11px;border-radius:999px;font-weight:500}
.zero-line{margin-top:56px;border-top:1px solid var(--line);padding-top:40px;text-align:center;color:var(--ink-2);font-size:15.5px}
.zero-line b{color:var(--coral)}

/* ============ 用户声音 ============ */
.voices{background:var(--surface)}
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.voice-card{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;display:flex;flex-direction:column}
.voice-stars{color:var(--gold);font-size:15px;letter-spacing:3px;margin-bottom:16px}
.voice-card p{color:var(--ink-2);font-size:15px;flex:1}
.voice-foot{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.voice-av{width:40px;height:40px;border-radius:50%;background:var(--coral-soft);color:var(--coral);display:grid;place-items:center;font-family:var(--serif);font-weight:700;font-size:16px;flex:none}
.voice-foot b{font-size:14.5px;display:block}
.voice-foot span{font-size:12.5px;color:var(--ink-3)}

/* ============ FAQ ============ */
.faq{background:var(--cream)}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:14px;background:var(--surface);margin-bottom:14px;overflow:hidden;transition:border-color .2s}
.faq-item.open{border-color:var(--coral-soft)}
.faq-q{width:100%;background:none;border:0;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 26px;text-align:left;font-family:var(--sans);font-size:16.5px;font-weight:600;color:var(--ink)}
.faq-q .f-ic{width:28px;height:28px;border-radius:50%;background:var(--coral-soft);display:grid;place-items:center;flex:none;transition:transform .3s}
.faq-q .f-ic svg{width:15px;height:15px;color:var(--coral)}
.faq-item.open .f-ic{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 26px 22px;color:var(--ink-2);font-size:15px;line-height:1.8}

/* ============ 咨询 CTA ============ */
.consult{background:linear-gradient(150deg,var(--coral-deep) 0%,var(--coral) 55%,var(--coral-deep2) 100%);position:relative;overflow:hidden;color:#fff}
.consult::before{content:"";position:absolute;top:-120px;left:-100px;width:420px;height:420px;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 62%);border-radius:50%}
.consult::after{content:"";position:absolute;bottom:-140px;right:-80px;width:460px;height:460px;background:radial-gradient(circle,rgba(255,255,255,.12),transparent 60%);border-radius:50%}
.consult-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.consult-copy h2{font-size:clamp(28px,4.2vw,42px);line-height:1.3;margin-bottom:18px}
.consult-copy p{color:rgba(255,255,255,.85);font-size:16.5px;margin-bottom:26px}
.consult-contact{display:grid;gap:14px}
.c-contact{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:16px 18px}
.c-contact .cc-ic{width:44px;height:44px;border-radius:11px;background:rgba(255,255,255,.16);display:grid;place-items:center;flex:none}
.c-contact .cc-ic svg{width:22px;height:22px}
.c-contact b{display:block;font-size:16px}
.c-contact span{font-size:13px;color:rgba(255,255,255,.75)}
.consult-form{background:#fff;color:var(--ink);border-radius:20px;padding:34px 32px;box-shadow:0 30px 70px -30px rgba(0,0,0,.45)}
.consult-form h3{font-size:22px;margin-bottom:6px}
.consult-form .cf-sub{color:var(--ink-3);font-size:13.5px;margin-bottom:24px}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px;color:var(--ink-2)}
.form-row input,.form-row select{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:11px;font-family:var(--sans);font-size:16px;color:var(--ink);background:var(--surface);transition:border-color .2s}
.form-row input:focus,.form-row select:focus{outline:none;border-color:var(--coral);background:#fff}
.form-row select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235f4b46' stroke-width='2.4'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 15px center}
.form-submit{width:100%;margin-top:6px}
.form-note{margin-top:14px;text-align:center;color:var(--ink-3);font-size:12.5px}
.form-note svg{width:13px;height:13px;vertical-align:-2px;color:var(--coral);margin-right:3px}
.toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:14px 24px;border-radius:12px;font-size:14.5px;opacity:0;pointer-events:none;transition:.3s;z-index:99;box-shadow:0 20px 50px -18px rgba(0,0,0,.5);display:flex;align-items:center;gap:10px}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast svg{width:18px;height:18px;color:var(--coral)}

/* ============ 页脚 ============ */
.site-foot{background:var(--ink);color:#fff;padding-top:64px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:44px}
.foot-brand p{color:rgba(255,255,255,.62);font-size:14px;margin-top:16px;max-width:340px}
.foot-brand .fb-tag{margin-top:18px;display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--gold);background:rgba(200,155,82,.12);padding:7px 14px;border-radius:999px}
.foot-brand .fb-tag svg{width:15px;height:15px}
.foot-col h4{font-size:15px;margin-bottom:18px;color:#fff;letter-spacing:.05em}
.foot-col a{display:block;color:rgba(255,255,255,.62);font-size:14px;margin-bottom:11px;transition:color .2s}
.foot-col a:hover{color:var(--coral)}
.foot-disclaim{border-top:1px solid rgba(255,255,255,.1);padding-block:26px;color:rgba(255,255,255,.45);font-size:12.5px;line-height:1.9}
.foot-disclaim b{color:rgba(255,255,255,.6);font-weight:500}
.foot-copy{border-top:1px solid rgba(255,255,255,.08);padding-block:20px;text-align:center;color:rgba(255,255,255,.4);font-size:12.5px}
.foot-copy a{color:rgba(255,255,255,.55)}
.foot-copy a:hover{color:var(--coral)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-inner{gap:40px}
  .proc-steps{grid-template-columns:repeat(5,1fr);gap:12px}
  .proc-node{width:60px;height:60px;font-size:21px}
}
@media (max-width:860px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .head-cta{display:none}
  .hero-inner{grid-template-columns:1fr;padding-block:52px;gap:40px}
  .hero-visual{max-width:440px;margin-inline:auto;width:100%}
  .hero-badge{left:14px;bottom:-20px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:30px 20px;padding-block:38px}
  .philosophy-grid,.consult-inner{grid-template-columns:1fr;gap:40px}
  .phy-stamp{right:-6px;top:-18px}
  .std-grid,.svc-grid,.guarantee-grid,.voice-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .proc-steps{grid-template-columns:1fr;gap:26px}
  .proc-steps::before{display:none}
  .proc-node{margin:0 auto 14px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
  .sec{padding-block:64px}
}
@media (max-width:520px){
  .std-grid,.svc-grid,.guarantee-grid,.voice-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .consult-form{padding:28px 22px}
  .hero-cta .btn{width:100%}
  .container{width:calc(100% - 32px)}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* ============ Logo / 微信二维码 / 返回顶部 ============ */
.logo-img{display:block;height:44px;width:auto;max-width:190px;object-fit:contain}
.site-foot .logo-img{height:46px;background:#fff;border-radius:12px;padding:7px}
.wechat-card{padding:18px 22px;gap:18px}
.wechat-card .wechat-qr{width:100px;height:100px;border-radius:11px;background:#fff;padding:4px;object-fit:cover;flex:none}
.wechat-card b{font-size:18px}
.wechat-card span{font-size:14px}
.consult-qr-card{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 32px}
.consult-qr-card img{width:220px;height:220px;border-radius:14px;background:#fff;padding:6px;object-fit:cover;border:1px solid var(--line)}
.consult-qr-card h3{font-size:22px;margin:24px 0 0}
.consult-qr-card .cf-sub{margin:8px 0 0;font-size:14px}
.foot-wechat{display:flex;align-items:center;gap:12px;margin-top:4px}
.foot-wechat img{width:84px;height:84px;border-radius:8px;background:#fff;padding:4px;object-fit:cover;flex:none}
.foot-wechat span{font-size:12.5px;line-height:1.6;color:rgba(255,255,255,.62)}
.back-top{position:fixed;right:26px;bottom:34px;z-index:120;width:48px;height:48px;border-radius:50%;border:0;cursor:pointer;background:var(--coral);color:#fff;display:grid;place-items:center;box-shadow:0 12px 30px -10px rgba(237,81,58,.7);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s,transform .25s,visibility .25s,background .2s}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--coral-deep)}
.back-top svg{width:20px;height:20px}
@media (max-width:720px){
  .logo-img{height:34px}
  .site-foot .logo-img{height:40px}
  .wechat-card{flex-direction:column;text-align:center;gap:12px}
  .consult-qr-card{padding:28px 22px}
  .consult-qr-card img{width:180px;height:180px}
  .back-top{right:16px;bottom:22px;width:42px;height:42px}
}