/* ===================== 基础 ===================== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --rose:#B76E79;--rose-deep:#9C5260;--rose-soft:#E8C1C6;--rose-bg:#FDF4F4;
  --gold:#C9A46C;--ink:#3B3133;--ink-2:#6B5E61;--line:#EFE2E2;
  --white:#fff;--cream:#FFFBF8;
  --shadow:0 18px 45px rgba(183,110,121,.14);
  --radius:18px;--header-h:78px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Segoe UI",system-ui,-apple-system,sans-serif;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--ink);background:var(--white);line-height:1.7;overflow-x:hidden;padding-bottom:110px}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 clamp(20px,4vw,40px)}
section[id]{scroll-margin-top:calc(var(--header-h) + 10px)}

/* ===================== 顶部 ===================== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--header-h);background:rgba(255,255,255,.62);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:.3s}
.site-header.scrolled{background:rgba(255,253,250,.95);box-shadow:0 8px 28px rgba(59,49,51,.08);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:46px;height:46px;flex:none;filter:drop-shadow(0 6px 14px rgba(183,110,121,.35))}
.brand-text b{display:block;font-size:20px;letter-spacing:1px;color:var(--ink)}
.brand-text small{display:block;font-size:11px;letter-spacing:2px;color:var(--ink-2);text-transform:uppercase}
.header-tel{display:flex;align-items:center;gap:8px;padding:10px 18px;border:1px solid rgba(183,110,121,.35);border-radius:999px;color:var(--rose-deep);font-size:14px;transition:.25s}
.header-tel:hover{background:var(--rose-bg);border-color:var(--rose)}
.header-tel svg{width:18px;height:18px}
.header-tel b{font-size:16px;letter-spacing:.5px}

/* ===================== 首屏轮播 ===================== */
.banner{position:relative;height:min(100vh,820px);min-height:600px;overflow:hidden}
.banner-track{display:flex;height:100%;transition:transform .65s cubic-bezier(.22,.61,.36,1)}
.banner-slide{position:relative;flex:0 0 100%;display:flex;align-items:center;overflow:hidden}
.slide-1{background:linear-gradient(130deg,#FDF1F0 0%,#F8E3E3 40%,#FDEAE3 72%,#F2D6CE 100%)}
.slide-2{background:linear-gradient(130deg,#FBF0EE 0%,#F4E3EA 45%,#EFDCE7 100%)}
.slide-3{background:linear-gradient(130deg,#FCF6EF 0%,#F5E8DA 45%,#EBD8CB 100%)}
.banner-deco{position:absolute;inset:0;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55}
.blob-a{width:420px;height:420px;right:-80px;top:-120px;background:radial-gradient(circle,#F7C9CD,transparent 65%)}
.blob-b{width:380px;height:380px;left:-120px;bottom:-140px;background:radial-gradient(circle,#EFD8C8,transparent 65%)}
.blob-c{width:260px;height:260px;left:38%;top:-90px;background:radial-gradient(circle,#FBE6D9,transparent 70%)}
.flower-lg{position:absolute;right:8%;top:50%;transform:translateY(-50%);width:clamp(240px,28vw,420px);animation:floaty 7s ease-in-out infinite}
.ring-lg{position:absolute;right:12%;top:50%;transform:translateY(-50%);width:clamp(260px,30vw,460px);animation:spin 24s linear infinite}
.spark{position:absolute;width:26px;animation:twinkle 3s ease-in-out infinite}
.sp1{right:30%;top:18%}
.sp2{right:16%;bottom:16%;animation-delay:1.2s}
@keyframes floaty{0%,100%{transform:translateY(-50%) rotate(-3deg)}50%{transform:translateY(-56%) rotate(3deg)}}
@keyframes spin{to{transform:translateY(-50%) rotate(360deg)}}
@keyframes twinkle{0%,100%{opacity:.35;transform:scale(.85)}50%{opacity:1;transform:scale(1.1)}}
.banner-inner{position:relative;z-index:2;width:100%}
.banner-copy{max-width:660px;padding:calc(var(--header-h) + 34px) 0 84px}
.banner-eyebrow{font-size:13px;letter-spacing:4px;color:var(--rose-deep);text-transform:uppercase;margin-bottom:18px;font-weight:600}
.banner-title{font-size:clamp(34px,5vw,58px);line-height:1.2;letter-spacing:1px;font-weight:700;color:var(--ink)}
.banner-title span{color:var(--rose)}
.banner-slogan{margin-top:18px;font-size:clamp(18px,2.4vw,26px);font-weight:600;color:var(--rose-deep);letter-spacing:2px}
.banner-desc{margin-top:14px;font-size:clamp(14px,1.6vw,17px);color:var(--ink-2);line-height:2}
.banner-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 34px;border-radius:999px;font-size:15px;font-weight:600;letter-spacing:1px;transition:.3s}
.btn svg{width:17px;height:17px}
.btn-primary{color:#fff;background:linear-gradient(135deg,#D18A92,#B76E79 55%,#A05A66);box-shadow:0 12px 28px rgba(183,110,121,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(183,110,121,.42)}
.btn-ghost{color:var(--rose-deep);border:1.5px solid rgba(183,110,121,.5);background:rgba(255,255,255,.55)}
.btn-ghost:hover{background:#fff;border-color:var(--rose)}
.btn-block{width:100%}
.banner-trust{display:flex;gap:22px;margin-top:28px;flex-wrap:wrap}
.banner-trust li{display:flex;align-items:center;gap:7px;font-size:14px;color:var(--ink-2)}
.banner-trust i{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;background:var(--rose);color:#fff;font-size:11px;font-style:normal}
.banner-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;display:flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.82);color:var(--rose-deep);box-shadow:0 8px 20px rgba(59,49,51,.1);transition:.25s}
.banner-arrow:hover{background:#fff;transform:translateY(-50%) scale(1.06)}
.banner-arrow svg{width:20px;height:20px}
.banner-arrow.prev{left:24px}
.banner-arrow.next{right:24px}
.banner-dots{position:absolute;left:0;right:0;bottom:30px;z-index:5;display:flex;justify-content:center;gap:10px}
.dot{width:9px;height:9px;border-radius:99px;background:rgba(183,110,121,.35);transition:.3s}
.dot.is-active{width:30px;background:linear-gradient(90deg,#D18A92,#B76E79)}

/* ===================== 通用板块 ===================== */
.section{padding:clamp(64px,9vw,112px) 0}
.section-head{text-align:center;max-width:640px;margin:0 auto clamp(36px,5vw,56px)}
.section-eyebrow{font-size:12px;letter-spacing:4px;color:var(--rose);text-transform:uppercase;font-weight:600;margin-bottom:12px}
.section-title{font-size:clamp(26px,3.6vw,38px);letter-spacing:1px;color:var(--ink)}
.section-sub{margin-top:10px;color:var(--ink-2);font-size:15px}

/* ===================== 关于我们 ===================== */
.about{background:linear-gradient(180deg,#fff 0%,#FDF7F5 100%)}
.about-inner{display:grid;grid-template-columns:minmax(340px,460px) 1fr;gap:clamp(40px,6vw,84px);align-items:center}
.about-visual{position:relative;padding:34px 0}
.about-poster{position:relative;padding:54px 36px 46px;border-radius:28px;background:linear-gradient(150deg,#C98A92 0%,#A95562 55%,#8E4150 100%);color:#fff;text-align:center;overflow:hidden;box-shadow:0 34px 70px rgba(156,82,96,.35)}
.poster-glow{position:absolute;width:300px;height:300px;border-radius:50%;top:-140px;left:50%;transform:translateX(-50%);background:radial-gradient(circle,rgba(255,255,255,.35),transparent 70%)}
.poster-flower{width:108px;height:108px;margin:0 auto 16px;filter:drop-shadow(0 10px 22px rgba(0,0,0,.18))}
.about-poster h3{font-size:24px;letter-spacing:3px}
.poster-en{font-size:11px;letter-spacing:3px;opacity:.75;margin-top:6px;text-transform:uppercase}
.poster-slogan{margin-top:22px;font-size:15px;letter-spacing:2px;opacity:.92}
.poster-line{display:block;width:44px;height:1px;background:rgba(255,255,255,.6);margin:16px auto}
.poster-tags{font-size:13px;letter-spacing:3px;opacity:.85}
.about-chip{position:absolute;display:flex;align-items:center;gap:9px;padding:12px 18px;border-radius:999px;background:#fff;box-shadow:0 14px 32px rgba(59,49,51,.12);font-size:14px;font-weight:600;color:var(--rose-deep);animation:floaty2 6s ease-in-out infinite;white-space:nowrap}
.about-chip svg{width:19px;height:19px;color:var(--rose)}
.chip-1{top:0;left:-18px}
.chip-2{bottom:6%;right:-16px;animation-delay:1.6s}
@keyframes floaty2{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.about-badge{position:absolute;right:-6px;top:26%;width:104px;height:104px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(145deg,#E9C06F,#C9A46C);color:#fff;box-shadow:0 18px 40px rgba(201,164,108,.45);text-align:center}
.about-badge b{font-size:30px;line-height:1}
.about-badge b span{font-size:16px}
.about-badge small{font-size:11px;margin-top:4px;letter-spacing:1px}
.about-desc{margin-top:18px;color:var(--ink-2);font-size:15.5px;line-height:2}
.about-points{margin-top:20px;display:grid;gap:12px}
.about-points li{display:flex;gap:10px;font-size:15px;color:var(--ink)}
.about-points i{color:var(--rose);font-style:normal;font-size:12px;line-height:1.9}
.about-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px;max-width:680px}
.stat{padding:18px 12px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:16px}
.stat b{font-size:clamp(26px,3vw,34px);font-weight:700;background:linear-gradient(135deg,#D18A92,#9C5260);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:4px;font-size:12.5px;color:var(--ink-2)}

/* ===================== 品牌优势 ===================== */
.advantage{background:var(--white)}
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.adv-card{position:relative;padding:34px 26px 30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.35s;overflow:hidden}
.adv-card::before{content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,#D18A92,#C9A46C);opacity:0;transition:.35s}
.adv-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.adv-card:hover::before{opacity:1}
.adv-icon{display:flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:20px;background:linear-gradient(135deg,#FBE9EA,#F6D9DB);color:var(--rose-deep);margin-bottom:20px;transition:.35s}
.adv-icon svg{width:30px;height:30px}
.adv-card:hover .adv-icon{background:linear-gradient(135deg,#D18A92,#B76E79);color:#fff;transform:rotate(-6deg) scale(1.05)}
.adv-card h3{font-size:17px;letter-spacing:.5px;margin-bottom:10px}
.adv-card p{font-size:13.8px;color:var(--ink-2);line-height:1.9}

/* ===================== 联系我们 ===================== */
.contact{background:linear-gradient(180deg,#fff 0%,#FBF2F0 100%)}
.contact-inner{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(30px,5vw,64px);align-items:start}
.contact-list{display:grid;gap:16px}
.contact-list li{display:flex;align-items:center;gap:16px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:16px;transition:.3s}
.contact-list li:hover{border-color:var(--rose-soft);box-shadow:0 10px 26px rgba(183,110,121,.1)}
.c-icon{flex:none;display:flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,#FBE9EA,#F6D9DB);color:var(--rose-deep)}
.c-icon svg{width:22px;height:22px}
.contact-list b{display:block;font-size:13px;color:var(--ink-2);font-weight:600}
.contact-list a,.contact-list span{font-size:15px;color:var(--ink)}
.contact-list a:hover{color:var(--rose)}
.qr-card{margin-top:18px;display:flex;align-items:center;gap:18px;padding:18px 22px;background:#fff;border:1px dashed var(--rose-soft);border-radius:16px}
.qr-card svg{width:96px;height:96px;flex:none;border-radius:8px}
.qr-meta b{display:block;font-size:15px;color:var(--ink)}
.qr-meta span{display:block;margin-top:4px;font-size:12.5px;color:var(--ink-2)}
.form-card{background:#fff;border-radius:22px;padding:clamp(26px,4vw,40px);box-shadow:0 26px 60px rgba(59,49,51,.1)}
.form-card h3{font-size:21px;letter-spacing:1px}
.form-tip{margin:6px 0 24px;font-size:13.5px;color:var(--ink-2)}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px;color:var(--ink)}
.form-row input,.form-row textarea{width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:12px;font-size:15px;color:var(--ink);background:#FDFAF9;transition:.25s;outline:none;resize:vertical}
.form-row input:focus,.form-row textarea:focus{border-color:var(--rose);background:#fff;box-shadow:0 0 0 4px rgba(183,110,121,.12)}
.form-row input::placeholder,.form-row textarea::placeholder{color:#B9A8AB}
.form-note{margin-top:14px;font-size:12px;color:#A79397;text-align:center;line-height:1.8}

/* ===================== 页脚 ===================== */
.site-footer{background:#4A3438;color:rgba(255,255,255,.72);padding:44px 0}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand .brand-mark{width:40px;height:40px}
.footer-brand span{font-size:17px;color:#fff;letter-spacing:1px}
.footer-info p{font-size:13px;line-height:2}

/* ===================== 底部咨询条 / 回到顶部 ===================== */
.bottom-bar{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);z-index:90;display:flex;align-items:center;gap:10px;padding:10px;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:999px;box-shadow:0 18px 46px rgba(59,49,51,.2);backdrop-filter:blur(10px)}
.bb-item{display:flex;flex-direction:column;align-items:center;gap:3px;padding:8px 22px;border-radius:999px;font-size:12px;color:var(--ink-2);transition:.25s}
.bb-item svg{width:20px;height:20px}
.bb-item:hover{color:var(--rose-deep);background:var(--rose-bg)}
.bb-primary{background:linear-gradient(135deg,#D18A92,#B76E79);color:#fff !important;box-shadow:0 10px 24px rgba(183,110,121,.4)}
.bb-primary:hover{transform:translateY(-2px)}
.to-top{position:fixed;right:24px;bottom:104px;z-index:90;display:flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:50%;background:#fff;color:var(--rose-deep);box-shadow:0 10px 26px rgba(59,49,51,.18);opacity:0;pointer-events:none;transform:translateY(12px);transition:.3s}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{background:var(--rose);color:#fff}
.to-top svg{width:20px;height:20px}

/* ===================== Toast ===================== */
.toast{position:fixed;top:22px;left:50%;transform:translate(-50%,-24px);z-index:200;padding:12px 26px;border-radius:999px;background:var(--ink);color:#fff;font-size:14px;box-shadow:0 14px 34px rgba(0,0,0,.25);opacity:0;pointer-events:none;transition:.35s;white-space:nowrap;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ===================== 滚动显现 ===================== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ===================== 响应式 ===================== */
@media (max-width:1024px){
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .about-inner{grid-template-columns:1fr;max-width:680px;margin:0 auto}
  .about-visual{width:100%;max-width:440px;margin:0 auto}
  .contact-inner{grid-template-columns:1fr}
}
@media (max-width:768px){
  :root{--header-h:62px}
  .brand-text small{display:none}
  .brand-text b{font-size:17px}
  .header-tel span{display:none}
  .header-tel{padding:9px 12px}
  .header-tel svg{width:17px;height:17px}
  .banner{height:min(92vh,720px);min-height:540px}
  .banner-arrow{display:none}
  .banner-copy{max-width:100%;padding-top:calc(var(--header-h) + 44px)}
  .banner-trust{gap:14px}
  .about-badge{width:86px;height:86px;right:-2px}
  .about-badge b{font-size:24px}
  .chip-1{left:-6px}
  .chip-2{right:-4px}
  .bottom-bar{left:12px;right:12px;bottom:12px;transform:none;border-radius:18px;padding:8px}
  .bb-item{flex:1;padding:10px 8px}
  body{padding-bottom:96px}
  .to-top{display:none}
}
@media (max-width:560px){
  .about-stats{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:1fr}
  .banner{min-height:500px}
  .banner-dots{bottom:18px}
  .banner-slogan{margin-top:12px}
  .about-stats{gap:10px}
  .stat{padding:14px 6px}
  .about-poster{padding:44px 24px 38px}
  .qr-card{flex-direction:column;text-align:center}
  .btn{padding:13px 26px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ===================== 特色技术 ===================== */
.tech{background:linear-gradient(180deg,#FDF7F5 0%,#fff 100%)}
.tech-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.tech-card{position:relative;padding:34px 30px 32px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.35s}
.tech-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,#D18A92,#C9A46C);opacity:0;transition:.35s}
.tech-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.tech-card:hover::before{opacity:1}
.tech-num{display:inline-block;font-size:30px;font-weight:700;line-height:1;background:linear-gradient(135deg,#D18A92,#9C5260);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;opacity:.9}
.tech-card h3{margin-top:14px;font-size:19px;letter-spacing:.5px;color:var(--ink)}
.tech-card p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:2}
@media (max-width:768px){
  .tech-grid{grid-template-columns:1fr}
}

/* ===================== 无JS消息回显 ===================== */
.django-msgs{position:fixed;top:22px;left:50%;transform:translateX(-50%);z-index:300;display:flex;flex-direction:column;gap:8px;width:min(90vw,420px)}
.django-msg{padding:12px 20px;border-radius:12px;color:#fff;font-size:14px;text-align:center;box-shadow:0 14px 34px rgba(0,0,0,.22)}
.django-msg.success{background:#5B9B72}
.django-msg.error{background:#C05B5B}
/* ===================== 图片轮播（后台配置） ===================== */
.banner-slide.has-img{background-size:cover;background-position:center}
.banner-slide.has-img::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(255,253,250,.95) 0%,rgba(255,253,250,.82) 32%,rgba(255,253,250,.38) 60%,rgba(255,253,250,.12) 100%)}
.banner-slide.has-img .banner-deco{display:none}
@media (max-width:768px){
  .banner-slide.has-img::before{background:linear-gradient(180deg,rgba(255,253,250,.92) 0%,rgba(255,253,250,.55) 55%,rgba(255,253,250,.2) 100%)}
}