/* ============================================================
   长沙和朴集团 · 官网 VI 视觉识别系统
   Design System: Blue-Gray Corporate / 2026
   ============================================================ */

/* ---------- 1. 设计令牌 (Design Tokens) ---------- */
:root{
  /* 品牌色 */
  --brand-900:#0b1e3a;   /* 深海军蓝 - 标题/页脚 */
  --brand-800:#132a52;   /* 次深 */
  --brand-700:#1e3a8a;   /* 主色 - 按钮/链接 */
  --brand-600:#1e40af;
  --brand-500:#2563eb;   /* 亮蓝 - 渐变/强调 */
  --brand-400:#3b82f6;
  --brand-300:#93c5fd;
  --brand-200:#bfdbfe;   /* 浅蓝描边 */
  --brand-100:#dbeafe;   /* 浅蓝底 */
  --brand-50:#eff6ff;

  /* 中性色阶 */
  --ink:#0f172a;
  --slate-800:#1e293b;
  --slate-700:#334155;
  --slate-600:#475569;
  --slate-500:#64748b;
  --slate-400:#94a3b8;
  --slate-300:#cbd5e1;
  --slate-200:#e2e8f0;
  --slate-100:#f1f5f9;
  --slate-50:#f8fafc;

  /* 强调色（克制使用：价格/星标） */
  --accent:#f59e0b;
  --accent-d:#b45309;   /* 价格文字：白底 5.02:1，满足 WCAG AA */

  /* 语义 & 兼容旧引用 */
  --bg:#ffffff;
  --teal:var(--brand-700);
  --teal-d:var(--brand-800);
  --blue:var(--brand-500);
  --green:var(--slate-600);
  --muted:var(--slate-500);
  --line:var(--slate-200);
  --tint:var(--slate-50);
  --tint2:var(--brand-50);

  /* 圆角 */
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --radius:var(--r-lg);

  /* 阴影 - 多层柔和 */
  --shadow-xs:0 1px 2px rgba(15,23,42,.06);
  --shadow-sm:0 2px 8px rgba(15,23,42,.06),0 1px 2px rgba(15,23,42,.04);
  --shadow:0 12px 32px rgba(15,23,42,.09),0 4px 10px rgba(15,23,42,.05);
  --shadow-lg:0 24px 60px rgba(15,23,42,.14),0 8px 20px rgba(15,23,42,.07);
  --shadow-brand:0 14px 34px rgba(30,58,138,.28);

  --maxw:1160px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.85;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s}
::selection{background:var(--brand-100);color:var(--brand-800)}

/* ---------- 1b. 无障碍：焦点环 / 跳转链接 ---------- */
.skip-link{position:absolute;left:16px;top:-60px;z-index:100;background:var(--brand-700);color:#fff;font-size:14px;font-weight:700;padding:11px 20px;border-radius:10px;box-shadow:var(--shadow);transition:top .2s}
.skip-link:focus{top:14px;color:#fff}
:focus-visible{outline:3px solid var(--brand-500);outline-offset:3px;border-radius:6px}
.site-header :focus-visible,.hero :focus-visible,.page-banner :focus-visible,.contact :focus-visible,.site-footer :focus-visible{outline-color:#93c5fd}
button{font-family:inherit}
/* 尊重系统"减弱动效"设置 */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal{opacity:1!important;transform:none!important}
}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container.narrow{max-width:860px}
.container>*{min-width:0}
.muted{color:var(--slate-500)}
.center{text-align:center}

/* ---------- 2. 排版 ---------- */
/* 字距规则（唯一一条）：≥40px 用 -.02em，20–39px 用 -.01em，≤19px 一律 0 */
h1,h2,h3,h4{line-height:1.25;color:var(--ink);letter-spacing:0}
h1{font-size:clamp(30px,3.8vw,46px);font-weight:800;line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(24px,2.8vw,36px);font-weight:800;line-height:1.2;letter-spacing:-.01em}
h3{font-size:20px;font-weight:700;line-height:1.35;letter-spacing:0}
h4{font-size:16px;line-height:1.4;font-weight:700;letter-spacing:0}
p{color:var(--slate-600)}

.kicker{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-700);background:var(--brand-50);border:1px solid var(--brand-100);padding:6px 15px;border-radius:999px;margin-bottom:16px}
.kicker::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand-500)}
.kicker.light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.2);color:#dbeafe}
.kicker.light::before{background:#93c5fd}

/* ---------- 3. 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:12px;font-weight:700;font-size:15px;line-height:1;cursor:pointer;border:1.5px solid transparent;transition:transform .18s cubic-bezier(.4,0,.2,1),box-shadow .2s,background .2s,color .2s}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:linear-gradient(135deg,var(--brand-700) 0%,var(--brand-500) 100%);color:#fff;box-shadow:var(--shadow-brand)}
.btn-primary:hover{box-shadow:0 18px 42px rgba(30,58,138,.36)}
.btn-ghost{border-color:var(--slate-300);color:var(--brand-700);background:#fff}
.btn-ghost:hover{border-color:var(--brand-700);background:var(--brand-50)}
.btn-light{background:#fff;color:var(--brand-700);box-shadow:var(--shadow-sm)}
.btn-light:hover{box-shadow:var(--shadow)}

/* ---------- 4. 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s,background .3s}
.site-header.scrolled{background:rgba(255,255,255,.96);border-bottom-color:var(--slate-200);box-shadow:0 6px 24px rgba(15,23,42,.07)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;color:var(--brand-900)}
.brand img{height:42px;width:auto}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{font-size:14.5px;color:var(--slate-600);font-weight:600;padding:9px 14px;border-radius:9px;transition:.2s}
.nav-links a:hover{color:var(--brand-700);background:var(--slate-100)}
.nav-links a[aria-current="page"]{color:var(--brand-700);background:var(--brand-50)}
.nav-cta{background:linear-gradient(135deg,var(--brand-700),var(--brand-500))!important;color:#fff!important;box-shadow:var(--shadow-brand);margin-left:6px}
.nav-cta:hover{box-shadow:0 14px 32px rgba(30,58,138,.34);transform:translateY(-1px)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:9px}
.nav-toggle span{width:23px;height:2.4px;background:var(--ink);border-radius:2px;transition:.3s}

/* ---------- 5. Hero ---------- */
.hero{position:relative;background:linear-gradient(165deg,var(--brand-900) 0%,#14315e 46%,var(--brand-700) 100%);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(70% 60% at 78% 22%,rgba(59,130,246,.42),transparent 62%),radial-gradient(50% 50% at 8% 92%,rgba(37,99,235,.34),transparent 60%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(72% 72% at 50% 40%,#000,transparent 78%);-webkit-mask-image:radial-gradient(72% 72% at 50% 40%,#000,transparent 78%);pointer-events:none}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;padding:84px 24px 96px}
.hero-text h1{color:#fff;font-size:clamp(32px,4.4vw,56px);line-height:1.1;font-weight:800;letter-spacing:-.02em}
.hero-text h1 .hl{color:#7dd3fc}
.hero-text .hl-light{color:#7dd3fc;font-weight:800}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:#dbeafe;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:8px 17px;border-radius:999px;margin-bottom:22px;backdrop-filter:blur(6px)}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:#4ade80;box-shadow:0 0 0 4px rgba(74,222,128,.22)}
.hero .lead{margin:22px 0 32px;font-size:17.5px;color:#c7d7ee;max-width:560px;line-height:1.8}
.hero .lead strong{color:#fff}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-cta .btn-ghost{border-color:rgba(255,255,255,.34);color:#fff;background:rgba(255,255,255,.08)}
.hero-cta .btn-ghost:hover{background:rgba(255,255,255,.17);border-color:rgba(255,255,255,.6)}
.hero-points{list-style:none;margin-top:34px;display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:600px}
.hero-points li{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);border-radius:13px;padding:13px 16px;font-size:14.5px;color:#e3edfa;backdrop-filter:blur(6px)}
.hero-points li b{color:#fff;font-weight:800}
.hero-points .hp-ico{flex:0 0 auto;width:34px;height:34px;border-radius:9px;background:rgba(255,255,255,.14);display:grid;place-items:center}
.hero-points .hp-ico svg{width:19px;height:19px;stroke:#dbeafe;stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round}

.hero-art{position:relative}
.hero-art img{width:100%;border-radius:var(--r-xl);box-shadow:0 34px 80px rgba(0,0,0,.42);border:1px solid rgba(255,255,255,.14);aspect-ratio:1822/1024;object-fit:cover}
.hero-art .float-card{position:absolute;left:-16px;bottom:26px;background:rgba(255,255,255,.97);border-radius:var(--r-md);padding:14px 18px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:12px}
.hero-art .float-card .fc-ico{width:40px;height:40px;border-radius:11px;background:var(--brand-50);display:grid;place-items:center;flex:0 0 auto}
.hero-art .float-card .fc-ico svg{width:21px;height:21px;stroke:var(--brand-700);stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round}
.hero-art .float-card b{display:block;font-size:15px;color:var(--ink);line-height:1.3}
.hero-art .float-card span{font-size:12.5px;color:var(--slate-500)}

/* ---------- 6. 段落与区块 ---------- */
/* 间距节奏：三档。默认 96 / .sm 72 / .xs 56（移动 56 / 44 / 36） */
.section{padding:96px 0}
.section.sm{padding:72px 0}
.section.xs{padding:56px 0}
.section-tint{background:var(--slate-50);border-top:1px solid var(--slate-200);border-bottom:1px solid var(--slate-200)}
.section-head{text-align:center;max-width:780px;margin:0 auto 56px}
.section-head.left{text-align:left;margin:0 0 24px;max-width:none}

/* 正文段落流：中文段落间距 1.5–2em 的一半用于段间，避免 reset 后粘连 */
.prose p,.container.narrow>p,.split-info>p{margin-bottom:1.15em;line-height:1.85}
.prose p:last-child,.container.narrow>p:last-child,.split-info>p:last-child{margin-bottom:0}
.prose strong,.container.narrow>p strong{color:var(--ink);font-weight:700}
.container.narrow{max-width:760px}
.section-head h2{margin-bottom:14px}
.section-head .muted{font-size:16.5px;line-height:1.8}
.section-head.light h2{color:#fff}
.section-head.light .muted{color:#c7d7ee}

/* ---------- 7. 卡片 ---------- */
.cards{display:grid;gap:24px}
.cards.two{grid-template-columns:repeat(2,1fr)}
.cards.three{grid-template-columns:repeat(3,1fr)}
.cards.four{grid-template-columns:repeat(4,1fr)}
.card{position:relative;background:#fff;border:1px solid var(--slate-200);border-radius:var(--r-lg);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .22s cubic-bezier(.4,0,.2,1),box-shadow .22s,border-color .22s;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand-700),var(--brand-400));transform:scaleX(0);transform-origin:left;transition:transform .3s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--brand-100)}
.card:hover::before{transform:scaleX(1)}
.card h3{margin:18px 0 11px}
.card p{font-size:15.5px;line-height:1.8}
.card.mini{padding:24px 22px}
.card.mini h3{font-size:16.5px;margin:14px 0 9px}
.card.mini p{font-size:14.5px}

/* 图标容器 */
.card-ico{width:54px;height:54px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand-700),var(--brand-500));box-shadow:0 8px 18px rgba(30,58,138,.24)}
.card-ico svg{width:26px;height:26px;stroke:#fff;stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round}
.card-ico.soft{background:var(--brand-50);border:1px solid var(--brand-100);box-shadow:none}
.card-ico.soft svg{stroke:var(--brand-700)}
.card-ico.gray{background:linear-gradient(135deg,var(--slate-600),var(--slate-500))}
.card.mini .card-ico{width:46px;height:46px;border-radius:13px}
.card.mini .card-ico svg{width:22px;height:22px}

/* ---------- 8. 双栏 split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split>*{min-width:0}
.split.reverse .split-media{order:2}
.split-media{display:flex;flex-direction:column;gap:12px;min-width:0}
.split-info{min-width:0}
.split-media img{border-radius:var(--r-lg);box-shadow:var(--shadow);width:100%;object-fit:cover}
.split-info h2{margin-bottom:16px}
.split-info h3{font-size:17.5px;margin:22px 0 12px;display:flex;align-items:center;gap:9px}
.split-info h3:first-child{margin-top:0}
.split-info h3::before{content:"";width:4px;height:17px;border-radius:2px;background:linear-gradient(180deg,var(--brand-700),var(--brand-400))}

/* 图片说明 */
.media-cap{font-size:13px;line-height:1.55;color:var(--slate-500);text-align:center;background:var(--slate-50);border:1px solid var(--slate-200);border-radius:10px;padding:10px 14px}

/* 引用框 */
.note{background:var(--brand-50);border:1px solid var(--brand-100);border-left:4px solid var(--brand-600);padding:15px 18px;border-radius:10px;color:var(--slate-700);font-size:14.5px;margin:18px 0;line-height:1.75}
.center-note{text-align:center;color:var(--slate-600);font-size:16.5px;margin:34px auto 0;font-weight:600;max-width:720px}

/* ---------- 9. 列表 ---------- */
.check{list-style:none;display:flex;flex-direction:column;gap:11px}
.check li{position:relative;padding-left:30px;color:var(--slate-600);font-size:15px;line-height:1.7}
.check li::before{content:"";position:absolute;left:0;top:5px;width:19px;height:19px;border-radius:50%;background:var(--brand-50);border:1.5px solid var(--brand-600);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' viewBox='0 0 12 12'%3E%3Cpath d='M2 6.2l2.6 2.6L10 3.4' fill='none' stroke='%231e40af' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center}
.steps{list-style:none;counter-reset:s;display:flex;flex-direction:column;gap:14px}
.steps li{counter-increment:s;position:relative;padding-left:46px;color:var(--slate-600);font-size:15px;line-height:1.7;min-height:30px;display:flex;align-items:center}
.steps li::before{content:counter(s);position:absolute;left:0;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--brand-700),var(--brand-500));color:#fff;font-weight:800;display:grid;place-items:center;font-size:13.5px;box-shadow:0 5px 12px rgba(30,58,138,.24)}

/* ---------- 10. 业务闭环 ---------- */
.loop{position:relative;margin-top:46px;background:linear-gradient(135deg,var(--brand-900),var(--brand-700));border-radius:var(--r-xl);padding:38px 34px;text-align:center;box-shadow:var(--shadow-lg);overflow:hidden}
.loop::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 120% at 50% 0,rgba(59,130,246,.4),transparent 70%)}
.loop .kicker{position:relative;z-index:2}
.loop-flow{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px 8px;margin-top:6px}
.loop-flow span{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22);color:#fff;font-weight:700;font-size:14.5px;padding:11px 20px;border-radius:11px;backdrop-filter:blur(6px)}
.loop-flow i{font-style:normal;color:#93c5fd;font-weight:800;font-size:15px;padding:0 2px}

/* ---------- 11. 对比表 ---------- */
.table-wrap{max-width:100%;overflow-x:auto;overflow-y:hidden;border-radius:var(--r-lg);box-shadow:var(--shadow);border:1px solid var(--slate-200);background:#fff;-webkit-overflow-scrolling:touch}
.compare{width:100%;border-collapse:collapse;min-width:500px}
.compare th,.compare td{padding:17px 16px;text-align:center;font-size:14.5px;border-bottom:1px solid var(--slate-200);color:var(--slate-600)}
.compare thead th{background:var(--brand-900);color:#fff;font-size:15px;font-weight:700;letter-spacing:.01em;border-bottom:0}
.compare thead th:first-child{background:var(--brand-800)}
.compare tbody th{text-align:left;font-weight:700;color:var(--ink);background:var(--slate-50)}
.compare td:first-child{text-align:left;font-weight:700;color:var(--ink);background:var(--slate-50)}
.compare .col-rent{background:var(--brand-700)!important}
.compare .col-buy{background:var(--slate-600)!important}
.compare tbody tr:hover td{background:var(--brand-50)}
.compare tbody tr:hover th{background:var(--brand-100)}
.compare tbody tr:last-child td,.compare tbody tr:last-child th{border-bottom:0}
.price-tag{display:inline-block;font-weight:800;color:var(--accent-d);font-size:16px;letter-spacing:.01em}

/* ---------- 12. 区域标签 ---------- */
.area-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.area-tags span{display:inline-flex;align-items:center;gap:7px;background:#fff;color:var(--brand-700);border:1px solid var(--brand-100);padding:9px 17px;border-radius:999px;font-weight:700;font-size:14px;box-shadow:var(--shadow-xs)}
.area-tags span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500)}

/* ---------- 13. FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:13px;max-width:840px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--slate-200);border-radius:var(--r-md);padding:2px 22px;box-shadow:var(--shadow-sm);transition:.22s}
.faq details[open]{border-color:var(--brand-500);box-shadow:var(--shadow)}
.faq summary{list-style:none;cursor:pointer;font-weight:700;font-size:15.5px;padding:18px 0;position:relative;padding-right:34px;color:var(--ink);transition:color .2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand-700)}
.faq summary::after{content:"";position:absolute;right:2px;top:50%;width:20px;height:20px;transform:translateY(-50%);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%231e40af' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center;transition:transform .25s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{padding:0 0 19px;color:var(--slate-600);font-size:14.5px;line-height:1.8}

/* ---------- 14. 联系区 ---------- */
.contact{background:linear-gradient(150deg,var(--brand-900) 0%,#14315e 55%,var(--brand-700) 100%);color:#fff;position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 80% at 82% 18%,rgba(59,130,246,.34),transparent 62%);pointer-events:none}
.contact .container{position:relative;z-index:2}
.contact .muted.light{color:#c7d7ee}
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.contact-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.17);border-radius:var(--r-lg);padding:26px 24px;backdrop-filter:blur(8px);transition:.22s}
.contact-card:hover{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.3);transform:translateY(-3px)}
.contact-card.primary{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.32)}
.ctitle{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.07em;color:#bfdbfe;margin-bottom:14px}
.ctitle svg{width:16px;height:16px;stroke:#bfdbfe;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.contact-card p{font-size:14.5px;margin-bottom:6px;color:#e8f0fb;line-height:1.7}
.phone{display:block;font-size:25px;font-weight:800;color:#fff;margin:6px 0 10px;letter-spacing:.01em}
.phone:hover{color:#93c5fd}
.csub{color:#a9c6e8!important;font-size:13px!important}
.qr{max-width:142px;margin:8px auto 10px;border-radius:12px;background:#fff;padding:9px}

/* 浅色信息卡（联系页等） */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.info-grid>*{min-width:0}
.info-card{background:#fff;border:1px solid var(--slate-200);border-radius:var(--r-lg);padding:28px 26px;box-shadow:var(--shadow-sm);transition:.22s}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--brand-200)}
.info-card.hl{background:linear-gradient(150deg,var(--brand-50),#fff);border-color:var(--brand-200)}
.ictitle{display:block;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--brand-600);margin-bottom:12px;text-transform:none}
.ival{font-size:15.5px;color:var(--ink);font-weight:600;line-height:1.72;word-break:break-word}
.isub{font-size:13px;color:var(--slate-500);margin-top:6px}
.info-card .phone{font-size:24px;margin:2px 0 8px;color:var(--brand-700)}

/* 二维码卡 */
.info-grid.auto{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.qr-card{text-align:center}
.qr-card .qr{max-width:156px;margin:2px auto 12px;border:1px solid var(--slate-200);box-shadow:var(--shadow-sm)}
.qr-card .isub{font-weight:600;color:var(--brand-700)}

/* ---------- 15. 子页头 & 面包屑 ---------- */
.breadcrumb{font-size:13.5px;color:var(--slate-500);padding:20px 0 0;display:flex;align-items:center;flex-wrap:wrap}
.breadcrumb a{color:var(--slate-600);font-weight:600}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb span.sep{margin:0 10px;color:var(--slate-300)}
.breadcrumb [aria-current]{color:var(--ink);font-weight:700}
.page-hero{padding:10px 0 52px}
.page-hero h1{font-size:clamp(30px,4.2vw,46px);line-height:1.15;margin:14px 0 18px;font-weight:800}
.page-hero .kicker{margin-bottom:0}
.page-hero .lead{font-size:17px;color:var(--slate-600);max-width:820px;line-height:1.8}
.subnav{display:flex;flex-wrap:wrap;gap:9px;margin:6px 0 0}
.subnav a{font-size:13.5px;font-weight:600;color:var(--slate-600);background:var(--slate-100);border:1px solid var(--slate-200);padding:8px 15px;border-radius:9px}
.subnav a:hover,.subnav a[aria-current]{color:#fff;background:var(--brand-700);border-color:var(--brand-700)}

/* 子页统一深色页头 */
.page-banner{background:linear-gradient(165deg,var(--brand-900) 0%,#14315e 52%,var(--brand-700) 100%);color:#fff;position:relative;overflow:hidden;padding:26px 0 60px}
.page-banner::before{content:"";position:absolute;inset:0;background:radial-gradient(65% 70% at 80% 15%,rgba(59,130,246,.36),transparent 62%);pointer-events:none}
.page-banner .container{position:relative;z-index:2}
.page-banner .breadcrumb{padding-top:0;color:#a9c6e8}
.page-banner .breadcrumb a{color:#c7d7ee}
.page-banner .breadcrumb a:hover{color:#fff}
.page-banner .breadcrumb span.sep{color:rgba(255,255,255,.34)}
.page-banner .breadcrumb [aria-current]{color:#fff}
.page-banner h1{color:#fff}
.page-banner .lead{color:#c7d7ee}
.page-banner .kicker{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.22);color:#dbeafe}
.page-banner .kicker::before{background:#7dd3fc}

/* ---------- 16. 页脚 ---------- */
.site-footer{background:var(--brand-900);color:var(--slate-400);padding:64px 0 26px;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand-700),var(--brand-400),var(--brand-700))}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px}
.site-footer .brand{color:#fff}
.site-footer h4{color:#fff;font-size:14.5px;margin-bottom:15px;font-weight:700;letter-spacing:.02em}
.site-footer p{font-size:13.5px;margin-bottom:8px;color:var(--slate-400);line-height:1.7}
.site-footer a:hover{color:#93c5fd}
.ftag{margin-top:15px;font-size:13px;color:var(--slate-500);line-height:1.7}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;font-size:12.5px;color:var(--slate-500)}
.site-footer .subnav a{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.14);color:var(--slate-400);font-size:12.5px;padding:6px 12px}
.site-footer .subnav a:hover{color:#fff;background:var(--brand-700);border-color:var(--brand-700)}

/* ---------- 17. 回到顶部 ---------- */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border:0;border-radius:14px;background:linear-gradient(135deg,var(--brand-700),var(--brand-500));color:#fff;font-size:18px;cursor:pointer;box-shadow:var(--shadow-brand);opacity:0;visibility:hidden;transition:.3s;z-index:40;display:grid;place-items:center}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px)}

/* ---------- 17b. 移动端吸底通话条 ---------- */
.call-bar{position:fixed;left:0;right:0;bottom:0;z-index:55;display:none;gap:10px;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.97);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-top:1px solid var(--slate-200);box-shadow:0 -8px 26px rgba(15,23,42,.10)}
.call-bar a{display:flex;align-items:center;justify-content:center;gap:9px;font-weight:700;font-size:15px;border-radius:12px;padding:13px 16px;white-space:nowrap}
.cb-main{flex:1 1 auto;background:linear-gradient(135deg,var(--brand-700),var(--brand-500));color:#fff;box-shadow:var(--shadow-brand)}
.cb-ico{display:grid;place-items:center}
.cb-ico svg{width:19px;height:19px;stroke:#fff}
.cb-alt{flex:0 0 auto;color:var(--brand-700);background:var(--brand-50);border:1.5px solid var(--brand-100)}

/* ---------- 18. 统一图片框 ---------- */
.figure-frame{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--slate-200);background:#fff}
.figure-frame img{width:100%;aspect-ratio:16/10;object-fit:cover}
.figure-frame.natural img{aspect-ratio:auto;object-fit:contain}
figure{margin:0}
figure+figure{margin-top:22px}

/* ---------- 19. 滚动渐入动效 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1);will-change:opacity,transform}
.reveal.in{opacity:1;transform:none}
@media (hover:none){.reveal{transition-duration:.45s}}

/* ---------- 20. 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px;padding:64px 24px 76px}
  .hero-art{order:-1;max-width:620px;margin:0 auto}
  .split{grid-template-columns:1fr;gap:34px}
  .split.reverse .split-media{order:0}
  .cards.four{grid-template-columns:repeat(2,1fr)}
  .info-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav-links{position:fixed;top:76px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:2px;padding:14px 20px 22px;border-bottom:1px solid var(--slate-200);box-shadow:var(--shadow-lg);transform:translateY(-140%);transition:transform .3s ease;z-index:59}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:13px 14px;border-radius:10px}
  .nav-cta{margin-left:0;text-align:center;justify-content:center}
  .nav-toggle{display:flex}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section.sm{padding:44px 0}
  .section.xs{padding:36px 0}
  .section-head{margin-bottom:36px}
  .hero-grid{padding:48px 18px 60px}
  .hero-points{grid-template-columns:1fr}
  .cards.two,.cards.three,.cards.four{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .loop{padding:30px 22px}
  .loop-flow span{padding:9px 14px;font-size:13.5px}
  .hero-art .float-card{left:8px;bottom:12px;padding:11px 14px}
  .card{padding:26px 22px}
  h1{font-size:clamp(28px,7vw,34px)}
  h2{font-size:clamp(24px,5.6vw,30px)}
  .to-top{right:16px;bottom:16px;width:44px;height:44px}
  /* 移动端显示吸底通话条，避免遮挡：整体下移 */
  .call-bar{display:flex}
  .to-top{bottom:calc(78px + env(safe-area-inset-bottom))}
  body{padding-bottom:72px}
}

/* ============================================================
   21. v2 增量 · 字阶补充 / 数字 / 卡片三档 / 深色反差 / 导航
   ============================================================ */

/* ---------- 21a. 数字与价格（全站唯一价格口径） ---------- */
.num{font-variant-numeric:tabular-nums;-webkit-font-feature-settings:"tnum" 1;font-feature-settings:"tnum" 1}
.price{display:inline-block;font-size:32px;font-weight:800;line-height:1.1;color:var(--accent-d);font-variant-numeric:tabular-nums;letter-spacing:-.01em;white-space:nowrap}
.price .cur{font-size:.56em;font-weight:800;vertical-align:.28em;margin-right:2px}
.price-note{font-size:12.5px;line-height:1.5;color:var(--slate-600);margin-top:8px}
/* 价格列收边：32px 价格在半栏表格里刚好放下，不需要横向滚动 */
.compare th:last-child,.compare td:last-child{padding-left:10px;padding-right:10px}

/* ---------- 21b. 卡片三档（不新增阴影层级） ---------- */
/* 主卡：r-xl + 内距 36/34 + 顶部品牌渐条常显 */
.card.lvl-1{border-radius:var(--r-xl);padding:36px 34px;box-shadow:var(--shadow)}
.card.lvl-1::before{transform:scaleX(1)}
/* 弱卡：虚线边 + 无阴影 + slate-50 底，读作「不是成品卡」 */
.card.lvl-3{border-radius:var(--r-lg);border:1px dashed var(--slate-300);background:var(--slate-50);box-shadow:none;padding:24px 22px}
.card.lvl-3::before{display:none}
.card.lvl-3:hover{transform:none;box-shadow:none;border-color:var(--slate-300)}
.card.lvl-3 h3{font-size:16.5px;margin:0 0 8px}
.card.lvl-3 p{font-size:14px;line-height:1.7}
/* 白卡片里的电话（.phone 是深色底专用白色大字，这里另给一套） */
.card-phone{display:block;font-size:25px;font-weight:800;line-height:1.3;letter-spacing:.01em;color:var(--brand-700);margin:6px 0 2px}
.card-phone:hover{color:var(--brand-500)}
.card .btn{margin-top:16px}

/* ---------- 21c. 深色反差区块（全页唯一：models 价格） ---------- */
.section.dark{position:relative;overflow:hidden;color:#fff;background:linear-gradient(160deg,var(--brand-900) 0%,#14315e 58%,var(--brand-800) 100%)}
.section.dark::before{content:"";position:absolute;inset:0;background:radial-gradient(62% 70% at 84% 10%,rgba(59,130,246,.32),transparent 64%);pointer-events:none}
.section.dark>.container{position:relative;z-index:2}
.section.dark h2,.section.dark h3,.section.dark h4{color:#fff}
.section.dark p,.section.dark .muted,.section.dark .price-note{color:#c7d7ee}
.section.dark .compare th,.section.dark .compare td{padding:16px 14px}
.section.dark .table-wrap{box-shadow:0 24px 60px rgba(0,0,0,.34);border-color:rgba(255,255,255,.16)}
.section.dark .media-cap{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#c7d7ee}

/* ---------- 21d. 品牌浅底区块（#quote 表单区 / CTA 条） ---------- */
.section-brand-tint{background:var(--brand-50);border-top:1px solid var(--brand-100);border-bottom:1px solid var(--brand-100)}
/* brand-50 上 slate-500 仅 4.37:1，辅助文字必须升到 slate-600（6.96:1） */
.section-brand-tint .muted,.section-brand-tint .media-cap{color:var(--slate-600)}
.section-brand-tint .kicker{background:var(--form-bg)}

/* ---------- 21e. 主导航：抽屉分组（桌面 display:contents 保持全站同序） ---------- */
.nav-group{display:contents}
.nav-group-title{display:none}
.nav-links .nav-i1{order:1}
.nav-links .nav-i2{order:2}
.nav-links .nav-i3{order:3}
.nav-links .nav-i4{order:4}
.nav-links .nav-i5{order:5}
.nav-links .nav-i6{order:6}
.nav-links .nav-cta{order:7}

/* ---------- 21f. 首页锚点快捷条（仅 index.html，不 sticky） ---------- */
.anchor-bar{background:#fff;border-bottom:1px solid var(--slate-200)}
.anchor-bar-list{display:flex;align-items:center;gap:4px;height:44px;max-width:var(--maxw);margin:0 auto;padding:0 24px;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scroll-snap-type:x proximity;scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 16px,#000 calc(100% - 16px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 16px,#000 calc(100% - 16px),transparent 100%)}
.anchor-bar-list::-webkit-scrollbar{display:none}
.anchor-bar a{flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;height:44px;padding:0 13px;border-radius:8px;font-size:13.5px;font-weight:600;line-height:1;color:var(--slate-600);white-space:nowrap;transition:color .18s,background .18s}
.anchor-bar a:hover{color:var(--brand-700);background:var(--slate-100)}
.anchor-bar a[aria-current="location"]{color:var(--brand-700);background:var(--brand-50)}

/* ============================================================
   22. 在线咨询表单（#quote）
   ============================================================ */
:root{
  --form-bg:#ffffff;
  --form-border:#8494a6;   /* 控件默认描边 3.10:1 ✓ */
  --form-focus:#2563eb;    /* 聚焦描边 5.17:1 ✓ */
  --form-err:#b91c1c;      /* 错误文字 6.47:1 ✓ */
}

/* ---------- 22a. 布局：左文案 + 右表单 ---------- */
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.quote-grid>*{min-width:0}
.quote-intro h2,.quote-intro h3{margin-bottom:14px}
.quote-intro .quote-sub{font-size:16.5px;line-height:1.8;color:var(--slate-600);margin-bottom:24px}
.quote-intro .check{margin-bottom:24px}
.quote-media img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:center}
.quote-intro .media-cap{margin-top:0;text-align:left}

/* 表单卡 = 主卡（r-xl / 内距 36·34 / 顶部渐条常显 / 不加上浮 hover） */
.quote-card{position:relative;overflow:hidden;width:100%;max-width:520px;padding:36px 34px;background:var(--form-bg);border:1px solid var(--slate-200);border-radius:var(--r-xl);box-shadow:var(--shadow)}
.quote-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand-700),var(--brand-400))}
.quote-card>.quote-card-title{font-size:20px;line-height:1.35;margin-bottom:20px}

/* ---------- 22b. 字段基础 ---------- */
.quote-form{display:flex;flex-direction:column;gap:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px;min-width:0;margin:0;padding:0;border:0}
.field>label,.field>legend{font-size:14px;font-weight:600;line-height:1.4;color:var(--slate-800);padding:0}
.field .hint{font-size:12.5px;line-height:1.55;color:var(--slate-500)}
.req{color:var(--form-err);font-weight:700}

/* 文本输入五态：只走描边色 + 底色，零位移 */
.input{width:100%;max-width:100%;min-width:0;min-height:48px;padding:13px 16px;font:16px/1.5 var(--font);color:var(--ink);background:var(--form-bg);border:1.5px solid var(--form-border);border-radius:var(--r-md);transition:border-color .15s,background .15s}
.input::placeholder{color:var(--slate-500);opacity:1}
.input:hover,.input.is-filled,.field.is-filled .input{border-color:var(--slate-500)}
.input:focus-visible{border-color:var(--form-focus);outline:3px solid var(--brand-500);outline-offset:1px}
.field.has-error .input{border-color:var(--form-err);background:#fef2f2}
textarea.input{min-height:104px;resize:vertical;line-height:1.6}

/* 错误提示：红字 + ⚠ 图标（图标由 form.js 写入，不只靠颜色）；空时由 form.js 整个移除 */
.err{display:flex;gap:6px;font-size:12.5px;line-height:1.5;color:var(--form-err)}
.err:empty{display:none}

/* 字数计数：不进 aria-live */
.counter{font-size:12px;line-height:1.5;text-align:right;color:var(--slate-500);font-variant-numeric:tabular-nums}
.counter.is-warn{color:var(--accent-d)}

/* ---------- 22c. 分段选择器（原生 radio + label） ---------- */
.seg{position:relative;display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px}
.seg input{position:absolute;opacity:0;width:0;height:0}
.seg label{min-height:48px;display:flex;align-items:center;justify-content:center;text-align:center;padding:10px 12px;font-size:14.5px;font-weight:600;line-height:1.35;color:var(--slate-700);background:#fff;border:1.5px solid var(--form-border);border-radius:12px;cursor:pointer;transition:border-color .15s,background .15s,color .15s}
.seg label:hover{border-color:var(--slate-500)}
.seg input:checked+label{border-color:var(--brand-700);background:var(--brand-700);color:#fff}
.seg input:focus-visible+label{outline:3px solid var(--brand-500);outline-offset:2px}
.field.has-error .seg label{border-color:var(--form-err)}
.field.has-error .seg input:checked+label{background:var(--form-err);border-color:var(--form-err)}
/* 城市 / 面积放在半栏内，列宽按半栏收窄；≤768 单列时恢复 148px */
.form-row .seg{grid-template-columns:repeat(auto-fit,minmax(104px,1fr))}

/* ---------- 22d. 隐私勾选 ---------- */
.consent{display:flex;align-items:flex-start;gap:10px;min-height:44px;padding:11px 0;cursor:pointer;font-size:13.5px;line-height:1.6;color:var(--slate-600);font-weight:400}
.consent input{appearance:none;-webkit-appearance:none;flex:0 0 auto;width:22px;height:22px;margin-top:2px;border:1.5px solid var(--form-border);border-radius:6px;background:#fff;cursor:pointer;transition:background-color .15s,border-color .15s}
.consent input:checked{border-color:var(--brand-700);background-color:var(--brand-700);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath d='M2.4 7.4l3 3L11.6 3.9' fill='none' stroke='%23ffffff' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center}
.consent input:focus-visible{outline:3px solid var(--brand-500);outline-offset:2px}
.field.has-error .consent input{border-color:var(--form-err);box-shadow:0 0 0 3px rgba(185,28,28,.12)}
/* 勾选行是 label 但语义是说明文字，压回正文口径（不被 .field>label 抬成 14/600） */
.field>.consent{font-size:13.5px;font-weight:400;line-height:1.6;color:var(--slate-600)}

/* ---------- 22e. 蜜罐字段（视觉隐藏，不进 Tab 序列） ---------- */
.hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}

/* ---------- 22f. 提交按钮三态 ---------- */
.form-submit{width:100%;min-width:260px;min-height:52px;font-size:16px}
.form-submit[aria-busy="true"]{pointer-events:none;filter:saturate(.75)}
.form-submit:disabled{background:var(--slate-500);box-shadow:none;color:#fff;cursor:not-allowed;transform:none}
.spinner{flex:0 0 auto;width:16px;height:16px;border:2px solid rgba(255,255,255,.42);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
.spinner[hidden]{display:none}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spinner{animation:none}}

/* ---------- 22g. 隐私说明与兜底行 ---------- */
.privacy-line{font-size:12.5px;line-height:1.55;color:var(--slate-500);margin-top:-4px}
.privacy-details{border:1px solid var(--slate-200);border-radius:var(--r-md);background:var(--slate-50);padding:0 14px}
.privacy-details summary{list-style:none;cursor:pointer;display:flex;align-items:center;min-height:44px;font-size:13px;font-weight:600;color:var(--slate-700)}
.privacy-details summary::-webkit-details-marker{display:none}
.privacy-details summary::after{content:"＋";margin-left:auto;color:var(--brand-700);font-weight:800}
.privacy-details[open] summary::after{content:"－"}
.privacy-details ol{margin:0 0 14px;padding-left:18px;font-size:12.5px;line-height:1.75;color:var(--slate-600)}
.privacy-details li{margin-bottom:6px}
.form-fallback{font-size:13.5px;line-height:1.6;color:var(--slate-600);text-align:center}
.form-fallback a{font-weight:700;color:var(--brand-700)}
.form-fallback a:hover{text-decoration:underline}

/* ---------- 22h. 失败 / 提示卡（form.js 动态插入，插在提交按钮上方，不替换表单） ---------- */
.form-alert{background:#fef2f2;border:1px solid #fca5a5;border-left:4px solid var(--form-err);border-radius:var(--r-md);padding:16px 18px}
.form-alert[hidden]{display:none}
.form-alert .form-alert-title{font-size:17px;font-weight:800;line-height:1.4;color:#7f1d1d;margin-bottom:4px}
.form-alert .form-alert-body{font-size:14.5px;line-height:1.7;color:var(--slate-600)}
.form-alert .form-alert-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:12px}
.form-alert .btn{min-height:44px;font-size:14.5px;padding:11px 20px}
/* 「已收到 / 刚提交过」不是报错：卡片底色由 form.js 兜底，标题色在这里归位 */
.form-alert.is-ok .form-alert-title{color:#166534}
.form-alert.is-info .form-alert-title{color:var(--brand-700)}
/* 加微信折叠块 */
.form-alert .alert-wx{flex:1 1 100%}
.form-alert .alert-wx summary{cursor:pointer;list-style:none;display:flex;align-items:center;min-height:44px;font-size:13.5px;font-weight:600;color:var(--brand-700)}
.form-alert .alert-wx summary::-webkit-details-marker{display:none}
.form-alert .alert-qr{width:142px;height:142px;border-radius:10px;background:#fff;padding:6px;border:1px solid var(--slate-200);margin-top:8px}

/* ---------- 22i. 成功横幅（contact.html?sent=1） ---------- */
.form-banner{display:flex;gap:14px;padding:20px 22px;border-radius:var(--r-lg);background:#f0fdf4;border:1px solid #86efac;border-left:4px solid #166534;margin-top:28px}
.form-banner[hidden]{display:none}
.form-banner .fb-ico{flex:0 0 auto;width:48px;height:48px;border-radius:50%;background:#166534;display:grid;place-items:center}
.form-banner .fb-ico svg{width:26px;height:26px;stroke:#fff;stroke-width:2.4;fill:none;stroke-linecap:round;stroke-linejoin:round}
.form-banner .fb-title{font-size:20px;font-weight:800;line-height:1.35;color:#166534;margin-bottom:6px}
.form-banner p{font-size:14.5px;line-height:1.75;color:var(--slate-600)}
.form-banner .btn{margin-top:14px;min-height:44px}
.form-banner :focus-visible{outline-color:#166534}

/* ---------- 22j. 表单响应式（320 / 375 / 768 / 1024 / 1440） ---------- */
@media (max-width:1024px){
  .quote-grid{grid-template-columns:1fr;gap:32px}
  .quote-card{max-width:560px;margin:0 auto}
  .quote-media{max-width:520px}
}
@media (max-width:768px){
  .form-row{grid-template-columns:1fr}
  .form-row .seg{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
  .quote-card{max-width:none;padding:28px 22px}
  .quote-media{max-width:none}
  .quote-intro .quote-sub{font-size:16px}
}
@media (max-width:400px){
  .quote-card{padding:24px 16px}
  /* 320 卡内净宽只有 252px，按钮 min-width 让位，避免顶出卡片 */
  .form-submit{min-width:0}
  .form-banner{flex-direction:column;gap:10px;padding:18px 16px}
  /* 320 / 375 档：分段器单列，每项整行 48px 热区 */
  .seg{grid-template-columns:1fr}
  .form-row .seg{grid-template-columns:1fr}
}

/* ---------- 22k. 移动端抽屉分组（≤900，沿用 main.js 的 aria-expanded） ---------- */
@media (max-width:900px){
  .nav-links{max-height:calc(100vh - 76px);overflow-y:auto}
  .nav-links .nav-group{display:flex;flex-direction:column;gap:2px}
  .nav-links .nav-group a{order:0}
  .nav-links .nav-group+.nav-group{margin-top:6px;padding-top:8px;border-top:1px solid var(--slate-100)}
  .nav-links .nav-group-title{display:block;font-size:11.5px;font-weight:700;letter-spacing:.1em;color:var(--slate-500);padding:8px 14px 2px}
  .nav-links .nav-cta{min-height:52px;margin-top:8px;padding:14px;border-radius:12px}
}

/* ============================================================
   23. 案例卡（cases.html）
   ============================================================ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.case-grid>*{min-width:0}
.case-card{position:relative;display:flex;flex-direction:column;min-height:280px;background:#fff;border:1px solid var(--slate-200);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .22s,border-color .22s,transform .22s}
.case-card:hover{box-shadow:var(--shadow);border-color:var(--brand-100);transform:translateY(-3px)}
/* 缺现场图 → 纯文字卡：brand-50 底 + brand-200 边 + 顶部 44px 线性图标 */
.case-card--text{background:var(--brand-50);border-color:var(--brand-200)}
.case-ico{width:44px;height:44px;margin:24px 24px 0;border-radius:12px;background:#fff;border:1px solid var(--brand-100);display:grid;place-items:center}
.case-ico svg{width:24px;height:24px;stroke:var(--brand-700);stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round}
.case-body{display:flex;flex-direction:column;gap:14px;padding:20px 24px 24px;flex:1 1 auto}
.case-body h3{font-size:20px;line-height:1.35;letter-spacing:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.case-tags{display:flex;flex-wrap:wrap;gap:6px}
.case-tag{font-size:12.5px;font-weight:700;line-height:1.5;color:var(--brand-700);background:var(--form-bg);border:1px solid var(--brand-200);padding:3px 10px;border-radius:999px}
.case-spec{display:grid;gap:0;margin:0}
.case-spec>div{display:flex;align-items:baseline;gap:10px;padding:7px 0;border-bottom:1px dashed var(--brand-100)}
.case-spec>div:last-child{border-bottom:0}
.case-spec dt{flex:0 0 62px;font-size:12px;line-height:1.5;color:var(--slate-500)}
.case-spec dd{flex:1 1 auto;min-width:0;margin:0;font-size:15px;font-weight:600;line-height:1.5;color:var(--ink);font-variant-numeric:tabular-nums;word-break:break-word}
/* 待补充字段的低调占位：浅灰虚线小块，不出现「待补充」字样 */
.case-spec dd.is-pending{display:inline-block;flex:0 0 auto;font-size:13px;font-weight:600;color:var(--slate-600);background:rgba(203,213,225,.30);border:1px dashed var(--slate-300);border-radius:6px;padding:1px 8px}
.case-label{font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--slate-500)}
.case-problem{font-size:14.5px;line-height:1.75;color:var(--slate-600);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.case-do .check{gap:8px}
.case-do .check li{font-size:14px;line-height:1.65}
.case-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:4px}
.case-meta span{font-size:12px;font-weight:600;line-height:1.5;color:var(--brand-700);background:rgba(30,58,138,.07);border-radius:999px;padding:4px 10px}
@media (max-width:1023px){.case-grid{grid-template-columns:1fr 1fr;gap:20px}}
@media (max-width:639px){.case-grid{grid-template-columns:1fr;gap:16px}}
.case-grid-full{grid-column:1 / -1}
.case-cta{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:30px}
.case-cta .btn{min-height:48px}

/* ============================================================
   24. 轻量 CTA（价格表下方引导 / 首页 CTA 条）
   ============================================================ */
.cta-strip{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;margin-top:18px;padding:13px 18px;background:var(--brand-50);border:1px solid var(--brand-100);border-radius:var(--r-md)}
.cta-strip p{margin:0;font-size:14.5px;font-weight:600;line-height:1.6;color:var(--slate-700)}
/* 深色区块里的 cta-strip 是浅底小块，文字必须回到深色（不被 .section.dark p 覆盖） */
.section.dark .cta-strip p{color:var(--slate-700)}
.cta-strip a{display:inline-flex;align-items:center;min-height:44px;font-size:14.5px;font-weight:700;color:var(--brand-700)}
.cta-strip a:hover{text-decoration:underline}
.cta-band{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}
.cta-band-lead{font-size:clamp(20px,2.4vw,26px);font-weight:800;line-height:1.4;letter-spacing:-.01em;color:var(--ink);max-width:720px}
.cta-band .muted{font-size:15px;line-height:1.8}
.cta-band .btn{margin-top:6px}
/* 双按钮行（主 CTA + 次 CTA，次 CTA 统一指向 contact.html#quote） */
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}
.btn-row .btn{min-height:48px}
@media (max-width:420px){.btn-row{flex-direction:column}.btn-row .btn{width:100%}}
/* 320px：吸底通话条两个按钮 + 电话不换行会顶出右边界，收字号/内距保证 320 完整可见 */
@media (max-width:360px){
  .call-bar{gap:6px;padding:10px 10px calc(10px + env(safe-area-inset-bottom))}
  .call-bar a{font-size:13.5px;padding:13px 10px;gap:6px}
  .call-bar .cb-ico{display:none}
}

/* ---------- 备案号链接 ---------- */
.footer-bottom .icp{color:var(--slate-500);text-decoration:none}
.footer-bottom .icp:hover{color:#cbd5e1;text-decoration:underline}