/* 筑维修缮 · 官网样式
   视觉基准 = 《筑维修缮宣传册 V2.0 —— 战略纲要统一版》
   （C://Users//asus//Downloads//筑维修缮宣传册_V2.0_战略纲要统一版.html，一切以它为准）
   ├ 标识：金框圆角方块 + 「筑」字 → 宣传册 .brandmark（22mm / 2px #d1a847 / 圆角 4mm / 16pt 900）
   ├ 品牌字「筑维修缮」：Noto Sans CJK SC · 900 · 字距 .13em → 宣传册 .cover h1（34pt / 6px）
   └ 配色：navy #122038 · green #0f5a48 · gold #b88b2a（深底亮金 #d1a847）→ 宣传册 :root */

/* 品牌字 · 思源黑体 900（源头 NotoSansSC-VF.ttf 实例化 wght=900 后子集化）
   子集只含「筑维修缮 ZHUWEI RESTORATION」，7.7KB，自托管不依赖 Google Fonts */
@font-face {
  font-family: "Zhuwei Sans";
  src: url("../fonts/zhuwei-brand-sans-900.woff2") format("woff2");
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

:root {
  /* 深色（宣传册 --navy / --navy2） */
  --navy: #122038;
  --navy2: #182a47;
  --navy-deep: #0d1a2d;

  /* 绿色（宣传册 --green / --green2） */
  --green: #0f5a48;
  --green2: #1b7a61;
  --green-deep: #0b4b3e;
  --green-soft: #14624f;
  --green-tint: #eef6f2;

  /* 金色（宣传册 --gold；深底用亮金 #d1a847） */
  --gold: #b88b2a;          /* 浅色背景上用 */
  --gold-bright: #d1a847;   /* 深色背景上用 */
  --gold-soft: #f0e4c4;

  /* 中性（宣传册 --soft / --line / --muted） */
  --cream: #f4f7f8;
  --paper: #f7f9fa;
  --ink: #1f2933;
  --text: #354052;
  --text-light: #667085;
  --line: #dfe5ea;
  --white: #FFFFFF;

  /* 宣传册封面 / 封底 / 色带渐变 */
  --cover-bg: linear-gradient(145deg, #0d1a2d 0%, #152942 56%, #0b4b3e 100%);
  --back-bg: linear-gradient(145deg, #0d1a2d, #0f3f39);
  --band-bg: linear-gradient(90deg, #122038, #1d385a);
  --glow: radial-gradient(circle, rgba(55, 191, 149, .22), rgba(255, 255, 255, 0) 70%);

  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 6px 24px rgba(18, 32, 56, .07);
  --shadow-lg: 0 18px 44px rgba(18, 32, 56, .13);
  --wrap: 1200px;
  --header-h: 76px;

  /* 与宣传册完全同序 */
  --font: "Noto Sans CJK SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei",
          "PingFang SC", Arial, sans-serif;
}

/* 深色区块上统一切换为亮金 */
.hero, .footer, .form-card, .page-hero, .cta-band, .section--dark, .loop-wrap.dark, .toast {
  --gold: var(--gold-bright);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }

h1, h2 { font-weight: 900; }
h3, h4 { font-weight: 800; }
h1, h2, h3, h4 { color: var(--navy); line-height: 1.3; letter-spacing: .04em; }

/* ---------- 布局 ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.section { padding: 92px 0; }
.section--tint { background: var(--cream); }
.section--dark { background: var(--navy); color: rgba(255, 255, 255, .82); }
.section--dark h2, .section--dark h3 { color: #fff; }

.sec-head { max-width: 720px; margin-bottom: 52px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: .12em;
  color: var(--gold); text-transform: uppercase;
}
.tag::before { content: ""; width: 26px; height: 2px; background: var(--gold); display: block; }
.sec-head.center .tag::before { display: none; }

.sec-title { font-size: clamp(26px, 3.2vw, 38px); margin: 14px 0 16px; }
.sec-desc { color: var(--text-light); font-size: 16.5px; }
.section--dark .sec-desc { color: rgba(255, 255, 255, .66); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 26px; border-radius: 999px; font-weight: 700; font-size: 15.5px;
  border: 1.5px solid transparent; cursor: pointer; transition: .22s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--green); color: #fff; box-shadow: 0 8px 22px rgba(15, 90, 72, .22); }
.btn-primary:hover { background: var(--green-soft); transform: translateY(-2px); }
.btn-gold { background: var(--gold); color: #3A2A05; }
.btn-gold:hover { filter: brightness(1.06); transform: translateY(-2px); }
.btn-ghost { border-color: rgba(255, 255, 255, .55); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }
.btn-outline { border-color: var(--green); color: var(--green); background: transparent; }
.btn-outline:hover { background: var(--green); color: #fff; }
.btn-block { width: 100%; }

/* ---------- 顶栏 ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; height: var(--header-h); z-index: 100;
  background: rgba(255, 255, 255, .93); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line); transition: .25s;
}
.header.scrolled { box-shadow: 0 4px 20px rgba(18, 32, 56, .09); }
.nav { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 20px; }

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

/* ---- 品牌标识 · 照宣传册 V2.0 封面 .brandmark 等比还原 ----
   宣传册原值：22mm 见方 · border 2px #d1a847 · 圆角 4mm(18.2%) · 「筑」16pt(25.6%) · 900
   实测墨迹：「筑」占方框 25.0% × 25.3%（像素级量取），故字号取 28%（CJK 墨迹≈0.9em）
   深色底上边框与字自动切亮金，白底按宣传册同源金色 #b88b2a */
.brandmark {
  width: 46px; height: 46px; flex-shrink: 0;
  border: 2px solid var(--gold); border-radius: 8.4px;
  display: grid; place-items: center;
  color: var(--gold); font-family: var(--font);
  font-size: 13px; font-weight: 900; letter-spacing: .01em;
  line-height: 1; transition: .25s;
}
.brandmark.lg { width: 58px; height: 58px; border-radius: 10.6px; font-size: 16.4px; }
.brand:hover .brandmark { background: var(--gold); color: #fff; }

.brand-txt { line-height: 1.1; }
/* 品牌字「筑维修缮」：思源黑体 900，字距 .13em —— 与宣传册封面 h1（34pt / 6px）同比例 */
.brand-name {
  font-family: "Zhuwei Sans", var(--font);
  font-size: 27px; font-weight: 900; color: var(--navy);
  letter-spacing: .13em; line-height: 1.05; padding: 2px 0 3px;
}
.brand-en { font-family: "Zhuwei Sans", var(--font); font-size: 9.5px; color: var(--gold); letter-spacing: 3px; font-weight: 900; margin-top: 3px; }

.menu { display: flex; align-items: center; gap: 6px; }
.menu a {
  position: relative; padding: 9px 16px; font-size: 15.5px; font-weight: 600;
  color: var(--text); border-radius: 999px; transition: .2s;
}
.menu a:hover { color: var(--green); background: var(--green-tint); }
.menu a.active { color: var(--green); }
.menu a.active::after {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%);
  bottom: 2px; width: 16px; height: 2.5px; background: var(--gold); border-radius: 2px;
}

.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-tel { font-weight: 800; color: var(--green); font-size: 18px; letter-spacing: .01em; display: flex; align-items: center; gap: 7px; }
.nav-tel svg { width: 15px; height: 15px; fill: var(--gold); }

.burger { display: none; width: 42px; height: 42px; border: none; background: transparent; cursor: pointer; padding: 9px; }
.burger span { display: block; height: 2px; background: var(--green); margin: 5px 0; border-radius: 2px; transition: .25s; }

/* ---------- 首屏 ---------- */
.hero {
  position: relative; padding: calc(var(--header-h) + 76px) 0 96px;
  background: var(--cover-bg);
  color: #fff; overflow: hidden;
}
/* 宣传册封面右上角柔光（.cover .glow） */
.hero::before {
  content: ""; position: absolute; width: 860px; height: 860px; border-radius: 50%;
  right: -190px; top: -240px; background: var(--glow); pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(700px 420px at 6% 98%, rgba(184, 134, 11, .1), transparent 62%);
  pointer-events: none;
}
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }

.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 700;
  letter-spacing: .16em; color: var(--gold); border: 1px solid rgba(184, 134, 11, .42);
  padding: 7px 16px; border-radius: 999px; background: rgba(184, 134, 11, .08);
}
.hero h1 { color: #fff; font-size: clamp(31px, 4.6vw, 54px); line-height: 1.24; margin: 22px 0 8px; letter-spacing: .06em; }
.hero h1 em { font-style: normal; color: var(--gold); }
.hero-sub { font-size: clamp(17px, 2vw, 21px); color: rgba(255, 255, 255, .74); font-weight: 600; margin-bottom: 26px; }
.hero-lead { color: rgba(255, 255, 255, .72); font-size: 16.5px; max-width: 540px; }

/* 品牌金句 · 照宣传册封面 .quote（半透明白底 + 左侧金竖线） */
.hero-slogan {
  display: inline-block; margin: 6px 0 20px;
  background: rgba(255, 255, 255, .06); color: #fff;
  font-size: 16px; font-weight: 800; letter-spacing: .02em;
  padding: 12px 22px; border-left: 4px solid var(--gold-bright); border-radius: 2px;
}
.hero-actions { display: flex; gap: 14px; margin: 34px 0 30px; flex-wrap: wrap; }

.hero-chain {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 18px 20px; border-radius: var(--radius);
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .13);
}
.hero-chain b { color: var(--gold); font-weight: 800; letter-spacing: .06em; }
.hero-chain i { font-style: normal; color: rgba(255, 255, 255, .45); }

.hero-card {
  background: rgba(255, 255, 255, .055); border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 20px; padding: 30px 28px; backdrop-filter: blur(6px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .22);
}
.hero-card h3 { color: #fff; font-size: 19px; margin-bottom: 4px; }
.hero-card p { color: rgba(255, 255, 255, .6); font-size: 14px; margin-bottom: 20px; }
.hero-card .mini-field { margin-bottom: 14px; }
.hero-card input, .hero-card select, .hero-card textarea {
  width: 100%; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .16);
  color: #fff; padding: 11px 14px; border-radius: var(--radius-sm); font-size: 15px; outline: none;
}
.hero-card input::placeholder, .hero-card textarea::placeholder { color: rgba(255, 255, 255, .4); }
.hero-card input:focus, .hero-card select:focus, .hero-card textarea:focus { border-color: var(--gold); }
.hero-card .note { font-size: 12.5px; color: rgba(255, 255, 255, .5); margin-top: 12px; text-align: center; }

/* ---------- 数据条 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.stat { background: #fff; padding: 30px 22px; text-align: center; }
.stat b { display: block; font-size: clamp(28px, 3.4vw, 40px); color: var(--green); font-weight: 800; line-height: 1.1; }
.stat b span { font-size: .55em; color: var(--gold); margin-left: 3px; }
.stat span.lbl { display: block; margin-top: 8px; font-size: 14px; color: var(--text-light); }

/* ---------- 服务卡片 ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }

.svc {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 28px; transition: .26s; position: relative; overflow: hidden;
}
.svc::before { content: ""; position: absolute; left: 0; top: 0; width: 3px; height: 0; background: var(--gold); transition: .3s; }
.svc:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.svc:hover::before { height: 100%; }
.svc-ico { width: 54px; height: 54px; border-radius: 14px; background: var(--green-tint); display: grid; place-items: center; margin-bottom: 18px; }
.svc-ico svg { width: 27px; height: 27px; stroke: var(--green); fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.svc h3 { font-size: 19.5px; margin-bottom: 10px; }
.svc p { color: var(--text-light); font-size: 15px; }
.svc ul { margin-top: 16px; border-top: 1px dashed var(--line); padding-top: 14px; }
.svc ul li { font-size: 14.5px; color: var(--text-light); padding-left: 18px; position: relative; margin-bottom: 6px; }
.svc ul li::before { content: ""; position: absolute; left: 0; top: 11px; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }

/* ---------- 主线 4 步 ---------- */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.step { text-align: center; padding: 0 8px; position: relative; }
.step-no {
  width: 74px; height: 74px; border-radius: 50%; margin: 0 auto 18px;
  background: rgba(255, 255, 255, .07); border: 1.5px solid rgba(184, 134, 11, .45);
  display: grid; place-items: center; font-size: 22px; font-weight: 800; color: var(--gold);
}
.step h4 { color: #fff; font-size: 19px; margin-bottom: 8px; }
.step p { font-size: 14.5px; color: rgba(255, 255, 255, .62); }
.step::after {
  content: ""; position: absolute; top: 36px; right: -14px; width: 18px; height: 2px;
  background: repeating-linear-gradient(90deg, rgba(184,134,11,.6) 0 4px, transparent 4px 8px);
}
.step:last-child::after { display: none; }

/* ---------- 12 步闭环 ---------- */
.loop-wrap { margin-top: 56px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 38px 34px; }
.loop-wrap > h4 { text-align: center; font-size: 20px; margin-bottom: 6px; }
.loop-wrap > p.sub { text-align: center; color: var(--text-light); font-size: 14.5px; margin-bottom: 26px; }
.loop { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; counter-reset: lp; }
.loop li {
  counter-increment: lp; background: var(--cream); border-radius: var(--radius-sm);
  padding: 16px 10px; text-align: center; font-size: 14px; font-weight: 600; color: var(--green);
  position: relative; transition: .22s; border: 1px solid transparent;
}
.loop li::before { content: counter(lp); display: block; font-size: 11.5px; font-weight: 800; color: var(--gold); letter-spacing: .1em; margin-bottom: 4px; }
.loop li:hover { background: var(--green); color: #fff; border-color: var(--gold); transform: translateY(-3px); }
.loop li:hover::before { color: var(--gold); }

/* 深色区里的闭环 */
.loop-wrap.dark { background: rgba(255, 255, 255, .05); border-color: rgba(255, 255, 255, .12); }
.loop-wrap.dark > h4 { color: #fff; }
.loop-wrap.dark > p.sub { color: rgba(255, 255, 255, .62); }
.loop-wrap.dark .loop li { background: rgba(255, 255, 255, .07); color: #fff; }
.loop-wrap.dark .loop li:hover { background: var(--gold); color: #3A2A05; border-color: var(--gold); }
.loop-wrap.dark .loop li:hover::before { color: #3A2A05; }

/* 浅色区里的理由条 */
.reason.inv { border-color: rgba(18, 32, 56, .12); }
.reason.inv.last { border-bottom: none; }
.reason.inv h4 { color: var(--green); }
.reason.inv p { color: var(--text-light); }
.reason.inv .rk { background: rgba(15, 90, 72, .1); }

/* ---------- 为什么我们 ---------- */
.reason { display: flex; gap: 20px; padding: 22px 0; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.reason:last-child { border-bottom: none; }
.reason .rk { flex-shrink: 0; width: 42px; height: 42px; border-radius: 10px; background: rgba(184, 134, 11, .16); display: grid; place-items: center; color: var(--gold); font-weight: 800; font-size: 15px; }
.reason h4 { color: #fff; font-size: 17.5px; margin-bottom: 4px; }
.reason p { font-size: 14.8px; color: rgba(255, 255, 255, .62); }

/* ---------- 案例卡 ---------- */
.case {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: .26s; display: flex; flex-direction: column;
}
.case:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-img { position: relative; aspect-ratio: 16 / 10; background: var(--green-tint); overflow: hidden; }
.case-img img { width: 100%; height: 100%; object-fit: cover; }
.case-badge { position: absolute; left: 14px; top: 14px; background: var(--green); color: #fff; font-size: 12.5px; font-weight: 700; padding: 5px 12px; border-radius: 999px; }
.case-body { padding: 24px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.case-body h3 { font-size: 19px; margin-bottom: 12px; }
.case-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 14px; margin-bottom: 16px; }
.case-meta div { font-size: 13.5px; color: var(--text-light); }
.case-meta div b { display: block; color: var(--green); font-size: 14.5px; font-weight: 700; }
.case-body p { font-size: 14.8px; color: var(--text-light); flex: 1; }
.case-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.case-tags span { font-size: 12.5px; background: var(--cream); color: var(--green); padding: 4px 11px; border-radius: 6px; font-weight: 600; }

/* ---------- 筛选标签 ---------- */
.chips { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 32px; }
.chip {
  padding: 9px 20px; border-radius: 999px; border: 1px solid var(--line); background: #fff;
  font-size: 14.5px; font-weight: 600; color: var(--text); cursor: pointer; transition: .2s;
}
.chip:hover { border-color: var(--green); color: var(--green); }
.chip.on { background: var(--green); border-color: var(--green); color: #fff; }

/* ---------- 流程说明条 ---------- */
.pline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pitem { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; }
.pitem .pn { font-size: 13px; font-weight: 800; color: var(--gold); letter-spacing: .1em; margin-bottom: 8px; }
.pitem h4 { font-size: 17px; margin-bottom: 8px; }
.pitem p { font-size: 14.5px; color: var(--text-light); }

.ph-note {
  background: #FCF7E9; border: 1px dashed var(--gold); color: #6B5208;
  padding: 14px 18px; border-radius: var(--radius-sm); font-size: 14.5px; margin-bottom: 30px;
}
.ph-note b { color: #4A3803; }

/* ---------- CTA 条 ---------- */
.cta-band { background: var(--band-bg); padding: 62px 0; color: #fff; }
.cta-in { display: flex; align-items: center; justify-content: space-between; gap: 34px; flex-wrap: wrap; }
.cta-in h2 { color: #fff; font-size: clamp(24px, 3vw, 34px); margin-bottom: 8px; }
.cta-in p { color: rgba(255, 255, 255, .72); }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 页脚 ---------- */
.footer { background: var(--back-bg); color: rgba(255, 255, 255, .62); padding: 66px 0 0; font-size: 14.5px; }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.foot-brand .brandmark { margin-bottom: 16px; }
/* 页脚品牌字：思源黑体 900，字距 .11em —— 宣传册封底（30pt / 5px） */
.foot-name {
  font-family: "Zhuwei Sans", var(--font);
  font-size: 40px; font-weight: 900; color: var(--gold-bright);
  letter-spacing: .11em; line-height: 1.05; margin-bottom: 14px;
}
.foot-brand p { max-width: 320px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; font-weight: 700; }
.footer ul li { margin-bottom: 10px; }
.footer ul li a:hover { color: var(--gold); }
.foot-contact li { display: flex; gap: 10px; }
.foot-contact b { color: #fff; font-weight: 700; white-space: nowrap; }
.qr { width: 112px; background: #fff; padding: 7px; border-radius: 10px; margin-top: 6px; }
.qr-cap { font-size: 12.5px; color: rgba(255, 255, 255, .5); margin-top: 8px; }
/* 双码：企业微信（主）+ 个人微信（辅） */
.qr-pair { display: flex; gap: 14px; margin-top: 8px; flex-wrap: wrap; }
.qr-pair figure { margin: 0; text-align: center; }
.qr-pair .qr { width: 96px; margin-top: 0; }
.qr-pair figcaption { font-size: 12px; line-height: 1.3; color: rgba(255, 255, 255, .5); margin-top: 6px; }
.qr-pair figure:first-child figcaption { color: var(--gold-bright); font-weight: 700; }
.qr-pair.is-light .qr { width: 104px; }
.qr-pair.is-light figcaption { color: var(--muted); }
.qr-pair.is-light figure:first-child figcaption { color: var(--green); }
.foot-bot { border-top: 1px solid rgba(255, 255, 255, .1); padding: 22px 0 26px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13.5px; }
.foot-bot a:hover { color: var(--gold); }

/* ---------- 内页头 ---------- */
.page-hero { position: relative; padding: calc(var(--header-h) + 62px) 0 62px; background: var(--cover-bg); color: #fff; overflow: hidden; }
.page-hero::before {
  content: ""; position: absolute; width: 720px; height: 720px; border-radius: 50%;
  right: -170px; top: -240px; background: var(--glow); pointer-events: none;
}
.page-hero .wrap { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: clamp(27px, 3.6vw, 42px); margin: 14px 0 12px; letter-spacing: .06em; }
.page-hero p { color: rgba(255, 255, 255, .7); max-width: 620px; }
.crumb { font-size: 13.5px; color: rgba(255, 255, 255, .5); }
.crumb a:hover { color: var(--gold); }

/* ---------- 资质 ---------- */
.qual-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.qual {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
  text-align: center; transition: .26s;
}
.qual:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); border-color: var(--gold-soft); }
.qual-img { aspect-ratio: 3 / 4; background: var(--cream); border: 1px dashed #C9CFC9; border-radius: var(--radius-sm); display: grid; place-items: center; margin-bottom: 16px; color: var(--text-light); font-size: 13px; padding: 14px; }
.qual-img svg { width: 46px; height: 46px; stroke: #A9B2AB; fill: none; stroke-width: 1.4; }
.qual h4 { font-size: 16.5px; margin-bottom: 6px; }
.qual span { font-size: 13.5px; color: var(--text-light); display: block; }
.qual .state { display: inline-block; margin-top: 10px; font-size: 12px; font-weight: 700; color: #8A6A08; background: #FFF4CF; padding: 3px 10px; border-radius: 5px; }

.honor-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.honor { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; text-align: center; background: #fff; }
.honor b { display: block; font-size: 26px; color: var(--gold); margin-bottom: 6px; }
.honor span { font-size: 14px; color: var(--text-light); }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table.tb { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 620px; }
table.tb th { background: var(--green); color: #fff; text-align: left; padding: 14px 18px; font-weight: 700; font-size: 14.5px; white-space: nowrap; }
table.tb td { padding: 14px 18px; border-top: 1px solid var(--line); color: var(--text-light); }
table.tb tbody tr:hover td { background: var(--cream); }
table.tb td:first-child { color: var(--green); font-weight: 600; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 46px; align-items: start; }
.info-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; margin-bottom: 18px; display: flex; gap: 16px; }
.info-card .ico { width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px; background: var(--green-tint); display: grid; place-items: center; }
.info-card .ico svg { width: 22px; height: 22px; stroke: var(--green); fill: none; stroke-width: 1.7; }
.info-card h4 { font-size: 16px; margin-bottom: 4px; }
.info-card p { font-size: 14.5px; color: var(--text-light); }
.info-card .big { font-size: 21px; font-weight: 800; color: var(--green); }

.form-card { background: linear-gradient(165deg, var(--navy) 0%, var(--navy-deep) 100%); border-radius: 20px; padding: 38px 34px; box-shadow: var(--shadow-lg); position: sticky; top: 100px; }
.form-card h3 { color: #fff; font-size: 22px; margin-bottom: 6px; }
.form-card > p { color: rgba(255, 255, 255, .6); font-size: 14.5px; margin-bottom: 24px; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { margin-bottom: 15px; }
.field label { display: block; font-size: 13.5px; color: rgba(255, 255, 255, .78); margin-bottom: 7px; font-weight: 600; }
.field label i { color: var(--gold); font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%; background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .16);
  color: #fff; padding: 12px 14px; border-radius: var(--radius-sm); outline: none; transition: .2s; font-size: 15px;
}
.field select option { color: #1F2623; }
.field textarea { min-height: 96px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: rgba(255, 255, 255, .35); }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--gold); background: rgba(255, 255, 255, .1); }
.field .err { display: none; font-size: 12.5px; color: #FFB4A8; margin-top: 5px; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #E06A55; }
.field.invalid .err { display: block; }

.chk { display: flex; gap: 10px; align-items: flex-start; margin: 18px 0 20px; font-size: 13px; color: rgba(255, 255, 255, .6); }
.chk input { width: 17px; height: 17px; margin-top: 3px; accent-color: var(--gold); flex-shrink: 0; }
.chk a { color: var(--gold); text-decoration: underline; }

.form-ok { display: none; text-align: center; padding: 26px 8px 8px; }
.form-ok .tick { width: 62px; height: 62px; border-radius: 50%; background: rgba(184, 134, 11, .16); display: grid; place-items: center; margin: 0 auto 18px; }
.form-ok .tick svg { width: 30px; height: 30px; stroke: var(--gold); fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.form-ok h4 { color: #fff; font-size: 20px; margin-bottom: 8px; }
.form-ok p { color: rgba(255, 255, 255, .65); font-size: 14.5px; margin-bottom: 20px; }
.form-ok .ok-acts { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 20px); z-index: 300;
  background: var(--navy); color: #fff; padding: 12px 22px; border-radius: 999px;
  font-size: 14.5px; box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transition: .3s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 移动端底栏 ---------- */
.mbar { display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 99; background: #fff; border-top: 1px solid var(--line); padding: 8px 10px calc(8px + env(safe-area-inset-bottom)); box-shadow: 0 -4px 18px rgba(18, 32, 56, .1); }
.mbar .mi { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 12px; color: var(--text-light); padding: 5px 0; }
.mbar .mi svg { width: 20px; height: 20px; stroke: var(--green); fill: none; stroke-width: 1.7; }
.mbar .mi.hi { background: var(--gold); border-radius: 999px; color: #3A2A05; font-weight: 700; }
.mbar .mi.hi svg { stroke: #3A2A05; }

.to-top { position: fixed; right: 22px; bottom: 26px; width: 44px; height: 44px; border-radius: 50%; background: var(--green); display: grid; place-items: center; border: none; cursor: pointer; box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transition: .25s; z-index: 98; }
.to-top svg { width: 18px; height: 18px; stroke: #fff; fill: none; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.to-top.show { opacity: 1; pointer-events: auto; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-card { max-width: 520px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .loop { grid-template-columns: repeat(4, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-card { position: static; }
}

@media (max-width: 900px) {
  .section { padding: 66px 0; }
  .nav-cta .btn { display: none; }
  .menu {
    position: fixed; top: var(--header-h); left: 0; right: 0; flex-direction: column; align-items: stretch;
    background: #fff; border-bottom: 1px solid var(--line); padding: 12px 18px 20px; gap: 2px;
    box-shadow: 0 16px 30px rgba(18, 32, 56, .12); transform: translateY(-8px); opacity: 0;
    pointer-events: none; transition: .24s;
  }
  .menu.open { transform: none; opacity: 1; pointer-events: auto; }
  .menu a { padding: 13px 12px; border-radius: 10px; }
  .menu a.active::after { display: none; }
  .burger { display: block; }
  .grid-3, .grid-2, .qual-grid { grid-template-columns: 1fr 1fr; }
  .flow { grid-template-columns: 1fr 1fr; gap: 26px 16px; }
  .step::after { display: none; }
  .honor-row { grid-template-columns: 1fr 1fr; }
  .mbar { display: flex; }
  body { padding-bottom: 62px; }
  .to-top { bottom: 76px; }
}

@media (max-width: 640px) {
  .wrap { padding: 0 18px; }
  .hero { padding: calc(var(--header-h) + 48px) 0 62px; }
  .hero-actions .btn { flex: 1; }
  .stats { grid-template-columns: 1fr 1fr; }
  .grid-3, .grid-2, .qual-grid, .flow, .honor-row { grid-template-columns: 1fr; }
  .loop { grid-template-columns: repeat(2, 1fr); }
  .f-row { grid-template-columns: 1fr; }
  .loop-wrap { padding: 26px 20px; }
  .form-card { padding: 28px 22px; }
  .foot-grid { grid-template-columns: 1fr; gap: 30px; }
  .cta-in { text-align: center; }
  .cta-in .cta-actions { width: 100%; }
  .cta-actions .btn { flex: 1; }
  .nav-tel { font-size: 15px; }
  .brand-name { font-size: 25px; }
  .brandmark { width: 42px; height: 42px; font-size: 12px; }
  .brandmark.lg { width: 52px; height: 52px; font-size: 14.6px; }
  .foot-name { font-size: 33px; }
}