/* ============================================================
   豪耀环保 · 企业官网 v3
   设计系统：「曜金」曜石墨黑 × 香槟金 × 米白
   深浅区块交替 / 双语编辑排版 / 衬线大标题 / 金色发丝线
   ============================================================ */
:root {
  /* —— 曜金色板 —— */
  --ink: #0b0e13;
  --ink-2: #0e1218;
  --ink-3: #12161f;
  --panel: #151b24;
  --panel-2: #1a212d;
  --gold: #c8a15a;
  --gold-2: #e3c888;
  --gold-deep: #a07f3c;
  --ivory: #f5f1e8;
  --ivory-2: #efe9db;
  --paper: #fffdf8;
  --tx: #14181f;
  --tx-sub: #5c6270;
  --tx-d: #e8e4da;
  --tx-d-sub: #9aa3af;
  --hair: rgba(200, 161, 90, .42);
  --hair-d: rgba(200, 161, 90, .25);
  --line: rgba(20, 24, 31, .12);
  --line-d: rgba(245, 241, 232, .13);
  --ok: #3e9c6d;
  /* —— 旧变量别名（JS/内联样式引用，保持行为） —— */
  --gold-light: #e3c888;
  --gold-dark: #a07f3c;
  --green-700: #3e9c6d;
  --green-950: #0b0e13;
  --green-900: #14181f;
  --green-50: #faf8f1;
  --muted: #5c6270;
  --card: #fffdf8;
  /* —— 字体与阴影 —— */
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --shadow-lg: 0 30px 70px rgba(6, 8, 12, .18);
  --shadow-md: 0 16px 40px rgba(6, 8, 12, .11);
  --shadow-sm: 0 6px 18px rgba(6, 8, 12, .07);
  --radius: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; overflow-x: hidden; }
body {
  margin: 0; font-family: var(--sans);
  color: var(--tx); background: var(--ivory); line-height: 1.75;
  overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 32px; }
h1, h2, h3, h4 { margin: 0 0 12px; line-height: 1.35; }
p { margin: 0 0 14px; }
a { color: inherit; }
img { max-width: 100%; display: block; }
::selection { background: var(--gold); color: var(--ink); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  text-decoration: none; border-radius: 4px; border: 1px solid transparent;
  padding: 13px 34px; font-size: 15.5px; font-weight: 600; cursor: pointer;
  letter-spacing: .14em; font-family: var(--sans);
  transition: transform .25s, box-shadow .25s, background .25s, color .25s, border-color .25s;
  white-space: nowrap;
}
.btn-lg { padding: 17px 46px; font-size: 16.5px; }
.btn-gold {
  background: linear-gradient(135deg, var(--gold-2), var(--gold) 58%, #b28c46);
  color: var(--ink); box-shadow: 0 12px 28px rgba(200, 161, 90, .28);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 18px 36px rgba(200, 161, 90, .4); color: var(--ink); }
.btn-ghost { border-color: rgba(200, 161, 90, .65); color: var(--gold-2); background: transparent; }
.btn-ghost:hover { background: var(--gold); border-color: var(--gold); color: var(--ink); transform: translateY(-2px); }

/* ---------- 顶栏 ---------- */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  background: rgba(11, 14, 19, .66);
  -webkit-backdrop-filter: blur(16px) saturate(1.2); backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--hair);
  transition: background .35s, box-shadow .35s;
}
.topbar.scrolled { background: rgba(9, 11, 15, .94); box-shadow: 0 12px 34px rgba(0, 0, 0, .4); }
.topbar-inner {
  max-width: 1240px; margin: 0 auto; padding: 0 32px; height: 78px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ivory); flex-shrink: 0; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center;
  background: var(--panel); border: 1px solid var(--hair);
  font-size: 23px; color: var(--gold-2);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-text strong { font-family: var(--serif); font-size: 21px; letter-spacing: 4px; font-weight: 700; }
.brand-text small { font-size: 9px; letter-spacing: 3px; color: var(--gold); }
.nav { display: flex; gap: 34px; }
.nav a {
  color: rgba(232, 228, 218, .82); text-decoration: none; font-size: 15.5px;
  padding: 6px 0; position: relative; transition: color .2s;
}
.nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1px;
  background: var(--gold); transition: right .3s;
}
.nav a:hover, .nav a.active { color: var(--gold-2); }
.nav a:hover::after, .nav a.active::after { right: 0; }
.nav-idx { display: none; }
.topbar-right { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.topbar-right .btn { padding: 10px 24px; font-size: 14px; }
.nav-toggle {
  display: none; background: rgba(245, 241, 232, .06); border: 1px solid rgba(200, 161, 90, .45);
  color: var(--gold-2); border-radius: 8px; font-size: 20px; width: 44px; height: 44px; cursor: pointer;
  line-height: 1; position: relative; z-index: 70;
}

/* ---------- 首屏 Hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; flex-direction: column;
  justify-content: center; color: var(--ivory); overflow: hidden;
  padding: 150px 0 120px; background: var(--ink);
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; z-index: 2;
  background: linear-gradient(90deg, transparent, var(--hair) 22%, var(--hair) 78%, transparent);
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg img {
  width: 100%; height: 100%; object-fit: cover;
  animation: heroZoom 22s ease-in-out infinite alternate;
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 14, 19, .52) 0%, rgba(11, 14, 19, 0) 26%),
    linear-gradient(0deg, rgba(11, 14, 19, .94) 0%, rgba(11, 14, 19, .62) 34%, rgba(11, 14, 19, .30) 68%, rgba(11, 14, 19, .38) 100%);
}
@keyframes heroZoom { from { transform: scale(1); } to { transform: scale(1.07); } }
.hero-inner { position: relative; z-index: 1; max-width: 1240px; margin: 0 auto; padding: 0 32px; width: 100%; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  color: var(--gold-2); letter-spacing: .35em; font-size: 13px; margin: 0 0 28px; font-weight: 600;
}
.hero-eyebrow::before { content: ""; width: 48px; height: 1px; background: var(--gold); }
.hero h1 {
  font-family: var(--serif); font-weight: 700; letter-spacing: .03em;
  font-size: clamp(2.6rem, 6.4vw, 5.2rem); line-height: 1.26; margin: 0 0 28px;
  color: var(--ivory); text-shadow: 0 4px 34px rgba(0, 0, 0, .45);
}
.hero h1 .h-line { display: block; }
.hero h1 em { font-style: normal; color: var(--gold-2); }
.hero-sub { font-size: clamp(1rem, 1.6vw, 1.2rem); color: rgba(232, 228, 218, .86); margin: 0 0 46px; line-height: 2; max-width: 620px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll {
  position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%); z-index: 1;
  color: rgba(232, 228, 218, .7); font-size: 11px; letter-spacing: .4em; text-align: center;
}
.hero-scroll::after {
  content: ""; display: block; width: 1px; height: 44px; margin: 10px auto 0;
  background: linear-gradient(180deg, var(--gold), transparent);
  animation: scrollHint 2.2s ease-in-out infinite;
}
@keyframes scrollHint { 0%, 100% { transform: scaleY(.55); opacity: .5; } 50% { transform: scaleY(1); opacity: 1; } }
/* Hero 入场：逐行上浮淡入 */
.rise { opacity: 0; animation: riseIn 1s cubic-bezier(.22, .61, .36, 1) forwards; animation-delay: var(--d, 0s); }
@keyframes riseIn { from { opacity: 0; transform: translateY(34px); } to { opacity: 1; transform: none; } }

/* ---------- 信任条（米白） ---------- */
.trust { position: relative; z-index: 2; background: var(--ivory); }
.trust-card {
  margin-top: -58px; background: var(--paper); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); border-top: 2px solid var(--gold);
  display: grid; grid-template-columns: repeat(4, 1fr);
  padding: 14px 10px;
}
.trust-item { display: flex; gap: 16px; align-items: center; padding: 20px 26px; }
.trust-item + .trust-item { border-left: 1px solid var(--line); }
.trust-icon {
  width: 52px; height: 52px; flex-shrink: 0; border-radius: 50%;
  border: 1px solid var(--hair); background: var(--ivory);
  display: grid; place-items: center; color: var(--gold-deep);
}
.trust-icon svg { width: 26px; height: 26px; }
.trust-item strong { display: block; font-size: 16.5px; color: var(--tx); letter-spacing: 1px; }
.trust-item span { display: block; font-size: 13px; color: var(--tx-sub); line-height: 1.55; }

/* ---------- 通用区块 ---------- */
.section { position: relative; padding: clamp(96px, 11vw, 136px) 0; background: var(--ivory); }
.section-alt { background: var(--ivory-2); }
.section.dark { background: var(--ink-2); color: var(--tx-d); }
.section .wrap { position: relative; z-index: 1; }
.sec-num {
  position: absolute; top: 44px; right: 4%; z-index: 0; pointer-events: none; user-select: none;
  font-family: var(--serif); font-weight: 700; line-height: 1;
  font-size: clamp(6rem, 13vw, 10.5rem);
  color: transparent; -webkit-text-stroke: 1px rgba(160, 127, 60, .30);
}
.sec-num-dark { -webkit-text-stroke-color: rgba(200, 161, 90, .26); }
.sec-head { text-align: center; max-width: 680px; margin: 0 auto 64px; }
.sec-eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  color: var(--gold-deep); letter-spacing: .35em; font-size: 12px; margin: 0 0 16px; font-weight: 700;
}
.sec-eyebrow::before, .sec-eyebrow::after { content: ""; width: 30px; height: 1px; background: var(--gold); opacity: .7; }
.dark .sec-eyebrow { color: var(--gold); }
.sec-head h2 { font-family: var(--serif); font-size: clamp(1.9rem, 4.2vw, 3rem); color: var(--tx); letter-spacing: .06em; font-weight: 700; }
.dark .sec-head h2 { color: var(--ivory); }
.sec-head h2::after {
  content: ""; display: block; width: 56px; height: 1px;
  background: var(--gold); margin: 22px auto 0;
  transform: scaleX(0); transition: transform 1s cubic-bezier(.22, .61, .36, 1) .25s;
}
.sec-head.visible h2::after { transform: scaleX(1); }
.sec-desc { color: var(--tx-sub); margin: 18px 0 0; font-size: 16.5px; }
.dark .sec-desc { color: var(--tx-d-sub); }
.sec-head.left { text-align: left; margin-left: 0; margin-right: 0; }
.sec-head.left h2::after { margin-left: 0; transform-origin: left; }
.sec-head.left .sec-eyebrow::after { display: none; }

/* ---------- 服务业务（深色） ---------- */
.svc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.svc-card {
  position: relative; background: var(--panel); border: 1px solid var(--hair-d); border-radius: var(--radius);
  padding: 46px 40px 40px; overflow: hidden;
  transition: transform .35s, box-shadow .35s, border-color .35s;
}
.svc-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-2));
  transform: scaleX(0); transform-origin: left; transition: transform .4s;
}
.svc-card:hover { transform: translateY(-6px); border-color: rgba(200, 161, 90, .6); box-shadow: 0 26px 54px rgba(0, 0, 0, .42); }
.svc-card:hover::before { transform: scaleX(1); }
.svc-num {
  position: absolute; top: 16px; right: 28px; font-family: var(--serif);
  font-size: 62px; font-weight: 700; line-height: 1; z-index: 0;
  color: transparent; -webkit-text-stroke: 1px rgba(200, 161, 90, .32);
}
.svc-icon {
  position: relative; z-index: 1; width: 66px; height: 66px; border-radius: 14px;
  display: grid; place-items: center; margin-bottom: 22px;
  background: var(--ink-3); border: 1px solid var(--hair-d); color: var(--gold-2);
}
.svc-icon svg { width: 32px; height: 32px; }
.svc-card h3 { position: relative; z-index: 1; font-size: 21px; color: var(--ivory); letter-spacing: 1px; }
.svc-card p { position: relative; z-index: 1; margin: 0; color: var(--tx-d-sub); font-size: 15px; }
.svc-extra { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 26px; }
.svc-mini {
  display: flex; gap: 20px; align-items: flex-start;
  background: linear-gradient(120deg, rgba(200, 161, 90, .13), rgba(200, 161, 90, .04));
  border: 1px solid var(--hair-d); color: var(--tx-d); border-radius: var(--radius); padding: 30px 32px;
  transition: transform .35s, border-color .35s, box-shadow .35s;
}
.svc-mini:hover { transform: translateY(-4px); border-color: rgba(200, 161, 90, .55); box-shadow: 0 20px 44px rgba(0, 0, 0, .35); }
.svc-mini .svc-icon { width: 54px; height: 54px; border-radius: 12px; margin: 0; flex-shrink: 0; }
.svc-mini .svc-icon svg { width: 27px; height: 27px; }
.svc-mini h3 { font-size: 18px; color: var(--ivory); margin-bottom: 6px; }
.svc-mini p { margin: 0; font-size: 14px; color: var(--tx-d-sub); }

/* ---------- 服务流程（米白） ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; position: relative; }
.steps::before {
  content: ""; position: absolute; top: 35px; left: 9%; right: 9%; height: 1px;
  background: linear-gradient(90deg, rgba(200, 161, 90, 0), var(--gold) 18%, var(--gold) 82%, rgba(200, 161, 90, 0));
}
.steps li { text-align: center; padding: 0 8px; position: relative; }
.step-badge {
  width: 70px; height: 70px; margin: 0 auto 20px; border-radius: 50%;
  background: #fff; color: var(--tx); display: grid; place-items: center;
  font-family: var(--serif); font-size: 21px; font-weight: 700; letter-spacing: 1px;
  border: 1.5px solid var(--gold); box-shadow: 0 0 0 7px var(--ivory-2), var(--shadow-md);
  position: relative; z-index: 1; transition: transform .3s, background .3s, color .3s;
}
.steps li:hover .step-badge { transform: scale(1.08); background: var(--ink); color: var(--gold-2); }
.steps h3 { font-size: 17.5px; color: var(--tx); letter-spacing: 1px; margin-bottom: 8px; }
.steps p { margin: 0; font-size: 13.5px; color: var(--tx-sub); line-height: 1.7; }

/* ---------- 查询入口带（深色） ---------- */
.lookup {
  position: relative; overflow: hidden; color: var(--tx-d); background:
    radial-gradient(720px 340px at 12% -10%, rgba(200, 161, 90, .16), transparent 62%),
    radial-gradient(820px 420px at 88% 115%, rgba(200, 161, 90, .10), transparent 60%),
    linear-gradient(130deg, var(--ink), var(--ink-2) 58%, var(--ink-3));
}
.lookup-inner { display: grid; grid-template-columns: 1.25fr .75fr; gap: 56px; align-items: center; }
.lookup h2 { font-family: var(--serif); font-size: clamp(1.8rem, 3.8vw, 2.7rem); letter-spacing: .04em; line-height: 1.45; margin-bottom: 16px; color: var(--ivory); }
.lookup h2 em { font-style: normal; color: var(--gold-2); }
.lookup p { color: var(--tx-d-sub); font-size: 16px; margin: 0; max-width: 520px; }
.lookup-codes { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.lookup-codes a {
  font-family: ui-monospace, Consolas, monospace; font-size: 13.5px; text-decoration: none;
  border: 1px solid var(--hair-d); color: var(--gold-2);
  padding: 6px 16px; border-radius: 999px; transition: all .25s; background: rgba(245, 241, 232, .03);
}
.lookup-codes a:hover { background: var(--gold); color: var(--ink); border-color: var(--gold); }
.lookup-card {
  background: rgba(21, 27, 36, .72); border: 1px solid var(--hair-d);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border-radius: var(--radius); padding: 38px 36px; text-align: center; color: var(--tx-d);
}
.lookup-card .lc-icon { font-size: 40px; margin-bottom: 14px; }
.lookup-card h3 { font-size: 19px; letter-spacing: 2px; margin-bottom: 10px; color: var(--ivory); }
.lookup-card p { font-size: 14px; color: var(--tx-d-sub); margin: 0 auto 24px; }

/* ---------- 关于我们（米白） ---------- */
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 72px; align-items: center; }
.about-media { position: relative; }
.about-media::after {
  content: ""; position: absolute; inset: 0; transform: translate(18px, 18px);
  border: 1px solid var(--gold); border-radius: 20px; z-index: 0;
}
.about-media img { position: relative; z-index: 1; border-radius: 20px; box-shadow: var(--shadow-lg); width: 100%; height: 100%; object-fit: cover; }
.about-text p { color: var(--tx-sub); font-size: 16px; }
.about-text p strong { color: var(--tx); }
.about-values { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.about-values span {
  font-family: var(--serif); border: 1px solid var(--gold); color: var(--tx);
  border-radius: 999px; padding: 8px 26px; font-size: 15.5px; letter-spacing: 5px; font-weight: 700;
  background: linear-gradient(180deg, #fff, var(--ivory));
}

/* ---------- 联系我们（深色） ---------- */
.contact {
  background:
    radial-gradient(760px 380px at 88% -8%, rgba(200, 161, 90, .12), transparent 60%),
    linear-gradient(180deg, var(--ink-2), var(--ink));
}
.contact-phone-label { font-size: 13px; letter-spacing: .35em; color: var(--gold); font-weight: 700; margin: 0 0 8px; }
.contact-phone {
  font-family: var(--serif); font-size: clamp(2rem, 4.6vw, 3rem); font-weight: 700;
  color: var(--ivory); letter-spacing: 2px; text-decoration: none; line-height: 1.2; display: inline-block;
  transition: color .25s;
}
.contact-phone:hover { color: var(--gold-2); }
.contact-lead { color: var(--tx-d-sub); margin: 14px 0 10px; max-width: 420px; }
.ci-item { display: flex; gap: 18px; align-items: flex-start; padding: 20px 0; border-bottom: 1px solid var(--line-d); }
.ci-item:last-child { border-bottom: none; }
.ci-icon {
  width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px; display: grid; place-items: center;
  background: var(--panel); border: 1px solid var(--hair-d); color: var(--gold-2);
}
.ci-icon svg { width: 22px; height: 22px; }
.ci-item h4 { margin: 0 0 3px; font-size: 15px; color: var(--gold-2); letter-spacing: 1px; }
.ci-item p { margin: 0; font-size: 15.5px; color: var(--tx-d); }
.ci-item a { color: var(--gold-2); text-decoration: none; font-weight: 600; }
.ci-item a:hover { text-decoration: underline; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: start; }
.contact-form {
  background: var(--paper); border: 1px solid rgba(200, 161, 90, .35); border-radius: 20px;
  padding: 42px 40px; box-shadow: 0 34px 80px rgba(0, 0, 0, .45); position: relative; color: var(--tx);
}
.contact-form::before {
  content: ""; position: absolute; top: 0; left: 40px; right: 40px; height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.contact-form h3 { font-family: var(--serif); font-size: 22px; color: var(--tx); letter-spacing: 2px; margin-bottom: 6px; }
.contact-form .cf-sub { color: var(--tx-sub); font-size: 14px; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; font-size: 16px; margin-bottom: 14px; font-family: inherit;
  background: #faf8f1; color: var(--tx); transition: border-color .2s, background .2s, box-shadow .2s;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--gold); background: #fff; box-shadow: 0 0 0 4px rgba(200, 161, 90, .16);
}
.contact-form textarea { resize: vertical; min-height: 110px; }
.contact-form .btn { width: 100%; }
.form-note { font-size: 13.5px; color: var(--green-700); margin: 12px 0 0; min-height: 20px; text-align: center; }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

/* ---------- 页脚（更深） ---------- */
.footer { background: #07090d; color: rgba(232, 228, 218, .66); padding: 84px 0 0; position: relative; }
.footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--hair) 25%, var(--hair) 75%, transparent); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 52px; }
.brand-line { display: flex; align-items: center; gap: 10px; color: var(--ivory); font-size: 20px; margin: 0 0 14px; }
.brand-line strong { font-family: var(--serif); letter-spacing: 4px; }
.footer-brand p { font-size: 14.5px; line-height: 1.9; margin: 0 0 10px; }
.footer-brand a { color: var(--gold-2); text-decoration: none; }
.footer-brand a:hover { text-decoration: underline; }
.footer-col h4 { color: var(--gold); font-size: 14px; margin-bottom: 16px; letter-spacing: .3em; }
.footer-col a { display: block; text-decoration: none; font-size: 14.5px; margin-bottom: 10px; transition: color .2s; }
.footer-col a:hover { color: var(--gold-2); }
.footer-tiny { font-size: 12.5px; opacity: .62; line-height: 1.8; }
.footer-bottom {
  border-top: 1px solid rgba(245, 241, 232, .09); padding: 22px 0; font-size: 13px; opacity: .8;
}
.footer-bottom .wrap { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.footer-bottom p { margin: 0; }
.footer-admin { color: inherit; text-decoration: none; }
.footer-admin:hover { color: var(--gold-2); }
.footer-sep { margin: 0 6px; opacity: .5; }

/* ---------- 滚动渐入 ---------- */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity .85s ease, transform .85s cubic-bezier(.22, .61, .36, 1); transition-delay: var(--d, 0s); will-change: opacity, transform; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- 响应式：1100 ---------- */
@media (max-width: 1100px) {
  .svc-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 44px; }
  .steps::before { display: none; }
  .trust-card { grid-template-columns: 1fr 1fr; }
  .trust-item:nth-child(3) { border-left: none; }
  .trust-item { border-top: 1px solid var(--line); }
  .trust-item:nth-child(-n+2) { border-top: none; }
  .lookup-inner { grid-template-columns: 1fr; gap: 36px; }
  .about-grid { gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- 响应式：880 ---------- */
@media (max-width: 880px) {
  .section { padding: 72px 0; }
  .wrap { padding: 0 22px; }
  .topbar-inner { padding: 0 22px; height: 70px; }
  html { scroll-padding-top: 84px; }
  .nav {
    position: fixed; inset: 0; z-index: 55; display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 4px;
    background: rgba(11, 14, 19, .98); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
    opacity: 0; visibility: hidden; transition: opacity .35s, visibility .35s;
  }
  .nav.open { opacity: 1; visibility: visible; }
  .nav a { font-family: var(--serif); font-size: 25px; letter-spacing: 4px; padding: 12px 0; color: var(--ivory); display: flex; align-items: baseline; gap: 16px; }
  .nav a::after { display: none; }
  .nav-idx { display: inline; font-family: var(--sans); font-size: 12px; letter-spacing: .2em; color: var(--gold); }
  .nav-toggle { display: grid; place-items: center; }
  .topbar-right .btn { display: none; }
  .hero { padding: 130px 0 110px; }
  .hero-inner { padding: 0 22px; }
  .hero-cta .btn { flex: 1 1 auto; }
  .trust-card { margin-top: -46px; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .about-media::after { transform: translate(10px, 10px); }
  .svc-extra { grid-template-columns: 1fr; }
  .contact-form { padding: 32px 24px; }
  .sec-num { top: 22px; right: 14px; font-size: 5rem; }
}

/* ---------- 响应式：560 ---------- */
@media (max-width: 560px) {
  .section { padding: 56px 0; }
  .svc-grid { grid-template-columns: 1fr; }
  .svc-card { padding: 34px 26px 30px; }
  .steps { grid-template-columns: 1fr; row-gap: 8px; }
  .steps li { display: grid; grid-template-columns: 62px 1fr; column-gap: 18px; text-align: left; padding: 14px 4px; align-items: start; }
  .steps::before {
    display: block; left: 34px; right: auto; top: 40px; bottom: 40px; width: 1px; height: auto;
    background: linear-gradient(180deg, rgba(200, 161, 90, 0), var(--gold) 15%, var(--gold) 85%, rgba(200, 161, 90, 0));
  }
  .step-badge { width: 62px; height: 62px; font-size: 18px; margin: 0; grid-row: span 2; box-shadow: 0 0 0 6px var(--ivory-2), var(--shadow-md); }
  .steps h3 { margin-top: 4px; }
  .trust-card { grid-template-columns: 1fr; padding: 8px 4px; }
  .trust-item { border-top: 1px solid var(--line); border-left: none !important; padding: 16px 20px; }
  .trust-item:first-child { border-top: none; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .hero-scroll { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer { padding-top: 60px; }
  .brand-text small { display: none; }
}

/* ---------- 减动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .rise { opacity: 1 !important; transform: none !important; }
  .sec-head h2::after { transform: none !important; }
}