/* ==========================================================================
   Xingtai Bomei Pet Food — 版式 v5（参照 乖宝宠物官网 设计语言）
   白底 + 金色强调 #E5A301 + 深墨蓝 #033B4A + 全大写大标题(字距) + 5px 小圆角
   字体：Poppins(标题) / Open Sans(正文) / Fraunces(引言点缀)，全部自托管
   ========================================================================== */
:root{
  --gold:#E5A301;
  --gold-hover:#E98813;
  --gold-soft:#FFF6E0;
  --navy:#033B4A;
  --navy-2:#062B36;
  --ink:#1B2A2E;
  --text:#4E5C61;
  --muted:#9DABAF;
  --white:#FFFFFF;
  --gray-50:#F7F8F9;
  --gray-100:#F1F3F4;
  --line:#E6EAEB;
  --shadow:0 12px 30px rgba(6,22,58,.14);
  --shadow-sm:0 6px 18px rgba(6,22,58,.10);
  --r:5px; --r-lg:8px; --r-pill:25px;
  --content:1180px;
  --head:"Poppins","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --body:"Open Sans",-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",sans-serif;
  --serif:"Fraunces","Songti SC","Noto Serif CJK SC","SimSun",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--white);color:var(--text);font-family:var(--body);font-size:17px;line-height:1.78;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* ---------- 标题：全大写 + 字距（乖宝式） ---------- */
h1,h2,h3,h4{font-family:var(--head);font-weight:600;margin:0 0 .55em;color:var(--ink)}
h1{font-size:clamp(2.1rem,4.6vw,3.75rem);line-height:1.14;letter-spacing:.04em;text-transform:uppercase}
h2{font-size:clamp(1.5rem,2.7vw,2.4rem);line-height:1.24;letter-spacing:.005em}
h3{font-size:clamp(1.08rem,1.5vw,1.28rem);line-height:1.35;letter-spacing:0}
h4{font-size:1.02rem;letter-spacing:.01em}
p{margin:0 0 1.1em}
.container{max-width:var(--content);margin:0 auto;padding:0 26px}

/* ---------- 导航 ---------- */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:14px;padding:13px 26px;max-width:var(--content);margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;min-width:0;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:6px;background:var(--gold);color:#fff;display:grid;place-items:center;
  font-family:var(--head);font-size:1rem;font-weight:600;flex-shrink:0}
.brand-name{font-family:var(--head);font-size:1.06rem;font-weight:600;letter-spacing:.01em;line-height:1.15;color:var(--ink);white-space:nowrap}
.brand small{display:block;font-family:var(--body);font-size:.63rem;font-weight:600;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;white-space:nowrap}
.nav-links{display:flex;gap:0;margin-left:auto;align-items:center;white-space:nowrap}
.nav-links a{position:relative;padding:10px 12px;font-family:var(--head);font-size:.93rem;font-weight:500;color:var(--ink);transition:color .16s;white-space:nowrap}
.nav-links a:hover{color:var(--gold)}
.nav-links a.active{color:var(--gold)}
.nav-links a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--gold)}
.nav-cta{display:flex;align-items:center;gap:10px}
.lang{position:relative}
.lang-btn{display:inline-flex;align-items:center;gap:6px;background:none;border:0;font:inherit;font-family:var(--head);
  font-size:.9rem;font-weight:500;color:var(--ink);padding:9px 8px;border-radius:var(--r);cursor:pointer}
.lang-btn:hover{color:var(--gold)}
.lang-btn svg{transition:transform .16s}
.lang-menu{position:absolute;right:0;top:calc(100% + 5px);background:#fff;border:1px solid var(--line);border-radius:var(--r);
  min-width:168px;padding:6px;display:none;z-index:70;box-shadow:var(--shadow)}
.lang-menu.open{display:block}
.lang-menu a{display:flex;justify-content:space-between;align-items:center;padding:9px 12px;border-radius:var(--r);font-size:.93rem}
.lang-menu a:hover{background:var(--gold-soft)}
.lang-menu a.cur{font-weight:600;color:var(--gold)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:var(--r);padding:8px 11px;cursor:pointer;color:var(--ink)}

/* ---------- 按钮：金色胶囊 ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 30px;border-radius:var(--r-pill);font-family:var(--head);
  font-weight:600;font-size:.95rem;letter-spacing:.02em;border:1px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn-primary{background:var(--gold);color:#20303A;box-shadow:0 8px 22px rgba(229,163,1,.32)}
.btn-primary:hover{background:var(--gold-hover);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-sm{padding:10px 20px;font-size:.88rem}
.btn-wa{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-wa:hover{border-color:var(--gold);color:var(--gold)}

/* ---------- Hero：大图 + 全大写巨标题 ---------- */
.hero{position:relative;display:flex;align-items:center;background:var(--navy);min-height:74vh;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.9}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(95deg,rgba(3,41,52,.92) 0%,rgba(4,44,56,.74) 45%,rgba(6,50,62,.28) 100%)}
.hero-inner{position:relative;z-index:2;max-width:var(--content);margin:0 auto;padding:108px 26px 92px;width:100%}
.hero-copy{max-width:800px;color:#fff}
.eyebrow{display:inline-block;color:var(--gold);font-family:var(--head);font-size:.82rem;font-weight:600;letter-spacing:.24em;
  text-transform:uppercase;margin-bottom:20px}
.hero h1{color:#fff;text-shadow:0 2px 26px rgba(0,0,0,.28)}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero-lede{font-size:clamp(1.05rem,1.5vw,1.22rem);line-height:1.7;color:rgba(255,255,255,.88);max-width:620px;margin-bottom:32px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
.hero-badges{display:flex;gap:0;flex-wrap:wrap}
.hero-badges span{color:rgba(255,255,255,.8);font-size:.86rem;font-weight:600;padding:0 16px;border-right:1px solid rgba(255,255,255,.28)}
.hero-badges span:first-child{padding-left:0}
.hero-badges span:last-child{border-right:0}
.hero-dots{position:absolute;left:0;right:0;bottom:26px;display:flex;gap:8px;justify-content:center;z-index:3}
.hero-dots i{width:34px;height:3px;background:rgba(255,255,255,.35);display:block}
.hero-dots i:first-child{background:var(--gold)}

/* ---------- 统计 ---------- */
.stats{background:var(--white);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:44px 20px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:var(--head);font-size:clamp(1.9rem,3.2vw,2.9rem);font-weight:600;color:var(--navy);line-height:1.1}
.stat span{display:block;font-size:.9rem;color:var(--muted);margin-top:10px;font-weight:600}

/* ---------- 区块 ---------- */
.section{padding:96px 0}
.section-sm{padding:70px 0}
.section-tint{background:var(--gray-50)}
.section-paper{background:var(--white)}
.section-dark{background:var(--navy);color:rgba(255,255,255,.86)}
.section-dark h2,.section-dark h3{color:#fff}
.sec-head{max-width:760px;margin:0 auto 54px;text-align:center}
.sec-head.left{margin-left:0;text-align:left}
.kicker{display:block;color:var(--gold);font-family:var(--head);font-weight:600;font-size:.82rem;letter-spacing:.24em;
  text-transform:uppercase;margin-bottom:14px}
.sec-head p{color:var(--text);font-size:1.06rem;margin:14px 0 0}
.section-dark .sec-head p{color:rgba(255,255,255,.78)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 网格 / 卡片（照片 + 白色标签条） ---------- */
.grid{display:grid;gap:26px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .25s,transform .25s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.card-media{position:relative;aspect-ratio:4/3;display:grid;place-items:center;padding:7%;background:#FBFBFC;border-bottom:1px solid var(--line)}
.card-media img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.card-media.photo{padding:0;background:none;border-bottom:0}
.card-media.photo img{width:100%;height:100%;object-fit:cover;max-height:none}
.card-body{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column}
.card-body h3{margin-bottom:8px;color:var(--ink)}
.card-body p{color:var(--text);font-size:.96rem;line-height:1.72;margin-bottom:14px}
.card-tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:auto}
.tag{background:var(--gold-soft);color:#8A6500;font-family:var(--head);font-size:.75rem;font-weight:600;
  padding:4px 12px;border-radius:var(--r-pill);letter-spacing:.02em}
.tag-green{background:var(--gold-soft);color:#8A6500}
.badge-flag{position:absolute;top:12px;left:12px;background:var(--gold);color:#20303A;font-family:var(--head);font-size:.74rem;
  font-weight:600;padding:5px 12px;border-radius:var(--r-pill)}

/* ---------- 优势（左金条 + 轻投影） ---------- */
.adv{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.adv-item{background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:var(--r);
  padding:28px 26px;transition:box-shadow .25s}
.adv-item:hover{box-shadow:var(--shadow-sm)}
.adv-item h3{margin-bottom:9px}
.adv-item p{font-size:.96rem;line-height:1.72;margin:0}
.section-dark .adv-item{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);border-left-color:var(--gold)}
.section-dark .adv-item p{color:rgba(255,255,255,.8)}

/* ---------- 双栏 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.split.rev{grid-template-columns:1fr 1.05fr}
.split.rev .split-media{order:2}
.split-media img{border-radius:var(--r);width:100%}
.split-copy h2{margin-bottom:16px}
.split-copy p{color:var(--text);font-size:1.02rem}
.checklist{list-style:none;padding:0;margin:24px 0 28px}
.checklist li{position:relative;padding-left:26px;margin-bottom:12px;color:var(--text);font-size:.99rem}
.checklist li::before{content:"";position:absolute;left:0;top:.72em;width:12px;height:3px;background:var(--gold)}
.section-dark .checklist li{color:rgba(255,255,255,.82)}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
.flow-item{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 24px}
.flow-item::before{counter-increment:step;content:counter(step,decimal-leading-zero);display:inline-block;
  font-family:var(--head);color:#20303A;background:var(--gold);font-weight:600;font-size:.78rem;letter-spacing:.06em;
  padding:3px 10px;border-radius:var(--r-pill);margin-bottom:14px}
.flow-item h3{font-size:1.1rem;margin:0 0 8px}
.flow-item p{font-size:.94rem;color:var(--text);margin:0;line-height:1.7}
.flow-arrow{display:none}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r);margin:26px 0}
table{width:100%;border-collapse:collapse;font-size:.97rem;min-width:540px}
th,td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--line)}
th{font-family:var(--head);font-weight:600;color:var(--navy);font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;background:var(--gray-50)}
tbody tr:last-child td{border-bottom:0}
td b{font-family:var(--head);font-weight:600;color:var(--gold);font-size:1.02rem}

/* ---------- 证书 ---------- */
.certs{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cert-item{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;cursor:zoom-in;margin:0;transition:box-shadow .25s}
.cert-item:hover{box-shadow:var(--shadow-sm)}
.cert-item img{aspect-ratio:4/3;object-fit:contain;width:100%;background:#fff;padding:12px}
.cert-item figcaption{padding:13px 14px;font-size:.86rem;color:var(--text);text-align:center;border-top:1px solid var(--line);font-weight:600}
.logos{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:8px}
.logos span{border:1px solid var(--line);border-radius:var(--r-pill);padding:9px 18px;font-family:var(--head);font-weight:500;
  font-size:.85rem;color:var(--navy)}

/* ---------- 引言带（衬线点缀） ---------- */
.quote-band{background:var(--navy);padding:92px 0}
.quote-band p{font-family:var(--serif);font-size:clamp(1.4rem,2.8vw,2.3rem);line-height:1.42;letter-spacing:-.01em;
  text-align:center;max-width:920px;margin:0 auto;color:#fff}

/* ---------- 灯箱 ---------- */
.lightbox{position:fixed;inset:0;background:rgba(3,35,44,.94);display:none;align-items:center;justify-content:center;z-index:200;padding:28px}
.lightbox.open{display:flex}
.lightbox img{max-width:min(1020px,92vw);max-height:88vh;border-radius:var(--r);background:#fff}
.lightbox .lb-close{position:absolute;top:22px;right:26px;background:none;border:1px solid rgba(255,255,255,.4);color:#fff;
  font-size:1.3rem;width:44px;height:44px;border-radius:50%;cursor:pointer;line-height:1}
.lightbox .lb-cap{position:absolute;bottom:26px;left:0;right:0;text-align:center;color:rgba(255,255,255,.82);font-size:.94rem}

/* ---------- CTA ---------- */
.cta{position:relative;background:var(--navy);overflow:hidden}
.cta-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.32}
.cta::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,41,52,.94),rgba(3,41,52,.6))}
.cta-inner{position:relative;z-index:2;padding:92px 26px;max-width:840px;margin:0 auto;text-align:center;color:#fff}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.82);font-size:1.06rem;max-width:600px;margin:0 auto 30px}
.cta-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ---------- 页脚：墨蓝 ---------- */
.footer{background:var(--navy);color:rgba(255,255,255,.72);padding:72px 0 30px;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:42px;margin-bottom:42px}
.footer h4{font-family:var(--head);font-size:.8rem;text-transform:uppercase;letter-spacing:.16em;color:var(--gold);margin-bottom:18px;font-weight:600}
.footer a:hover{color:var(--gold)}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin-bottom:11px}
.footer .brand{color:#fff;margin-bottom:16px}
.footer .brand-name{color:#fff}
.footer .brand small{color:rgba(255,255,255,.55)}
.footer .brand-mark{background:var(--gold);color:#20303A}
.footer p{font-size:.95rem;color:rgba(255,255,255,.72)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.16);padding-top:24px;display:flex;justify-content:space-between;
  gap:18px;flex-wrap:wrap;font-size:.85rem;color:rgba(255,255,255,.55)}
.social{display:flex;gap:10px;margin-top:18px}
.social a{border:1px solid rgba(255,255,255,.28);border-radius:var(--r-pill);padding:7px 15px;font-size:.86rem;color:rgba(255,255,255,.8)}
.social a:hover{border-color:var(--gold);color:var(--gold)}
.wa-float{display:none}
.mobile-bar{display:none}

/* ---------- 子页头 ---------- */
.page-head{background:var(--navy);color:#fff;padding:82px 0 70px;position:relative;overflow:hidden}
.page-head::after{content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(229,163,1,.22),transparent 70%)}
.page-head .container{position:relative;z-index:2}
.page-head h1{color:#fff;margin-bottom:16px}
.page-head p{color:rgba(255,255,255,.82);max-width:700px;margin:0;font-size:1.1rem}
.crumbs{font-size:.85rem;color:rgba(255,255,255,.6);margin-bottom:18px}
.crumbs a:hover{color:var(--gold)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 表单 ---------- */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:17px}
.field label{display:block;font-family:var(--head);font-size:.85rem;font-weight:600;color:var(--navy);margin-bottom:8px}
.field input,.field textarea,.field select{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:var(--r);
  font:inherit;font-size:.97rem;background:#fff;transition:.16s}
.field input:focus,.field textarea:focus,.field select:focus{outline:0;border-color:var(--gold);box-shadow:0 0 0 3px rgba(229,163,1,.14)}
.field textarea{min-height:126px;resize:vertical}
.form-note{font-size:.86rem;color:var(--muted);margin-top:12px}
.contact-list{list-style:none;padding:0;margin:0}
.contact-list li{display:flex;gap:15px;padding:17px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.contact-list li:last-child{border-bottom:0}
.contact-list .ci{width:8px;height:8px;border-radius:50%;background:var(--gold);flex-shrink:0;margin-top:12px}
.contact-list strong{display:block;font-family:var(--head);font-size:.8rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.1em}
.contact-list span{font-size:.99rem;color:var(--text)}
.contact-list a{color:var(--gold);font-weight:600}
.contact-list a:hover{text-decoration:underline}

/* ---------- 防溢出 ---------- */
.grid > *,.split-copy,.split-media,.card,.adv-item,.flow-item,.cert-item{min-width:0}
.split-copy,.split-media{overflow-wrap:anywhere}
.contact-list span,.footer li,.form-note{overflow-wrap:anywhere}

/* ---------- 响应式 ---------- */
/* 导航折叠：1220px 以下收进汉堡，避免表头换行/拥挤 */
@media (max-width:1220px){
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    padding:12px 20px;flex-direction:column;align-items:stretch;gap:2px;box-shadow:var(--shadow);white-space:normal}
  .nav-links.open a{padding:13px 10px;font-size:1rem;white-space:normal}
  .nav-links.open a.active::after{display:none}
  .burger{display:block}
  .nav-cta{margin-left:auto;flex-shrink:0;gap:8px}
}
@media (max-width:1080px){
  .g4,.certs{grid-template-columns:repeat(2,1fr)}
  .adv{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .split,.split.rev{grid-template-columns:1fr;gap:34px}
  .split.rev .split-media{order:0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .brand small{display:none}
  .section{padding:70px 0}
}
@media (max-width:640px){
  body{font-size:16.5px;padding-bottom:74px}
  h1{font-size:clamp(1.85rem,7.4vw,2.3rem);letter-spacing:.02em}
  h2{font-size:clamp(1.35rem,5.6vw,1.7rem)}
  .container{padding:0 20px}
  .hero{min-height:64vh}
  .hero-inner{padding:62px 20px 58px}
  .grid,.g2,.g3,.g4,.certs,.adv,.flow{grid-template-columns:1fr}
  .stat{padding:26px 14px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-inner{padding:62px 20px}
  .mobile-bar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:120;background:#fff;border-top:1px solid var(--line);
    padding:10px 14px;gap:10px}
  .mobile-bar .btn{flex:1;justify-content:center;padding:12px 14px;font-size:.9rem}
}

/* ---------- 打印 ---------- */
@media print{
  .nav,.mobile-bar,.lang,.burger,.cta-actions,.hero-dots{display:none!important}
  body{background:#fff;font-size:10.5pt;padding:0}
  .section{padding:20px 0;page-break-inside:avoid}
  .hero{min-height:auto;padding:20px 0;background:#fff}
  .hero-copy,.hero h1,.hero-lede{color:#111}
  .hero-bg{display:none}
  .reveal{opacity:1!important;transform:none!important}
}