/* ==========================================================================
   漫菲岚 MANFEILAN — 品牌官网样式
   设计基调：墨绿 / 净白 / 香槟金细线 / 全站黑体
   ※ 字体说明：全站统一黑体（无衬线），标题与正文不再混排宋体。
     标题靠字重、字号、字距区分层级，不靠字形差异。
   ========================================================================== */

:root {
  --paper: #F7F4EE;
  --paper-2: #EFEAE0;
  --paper-3: #FFFFFF;
  --ink: #16241D;
  --ink-2: #4A5850;
  --ink-3: #8B938C;
  --green: #123A2B;
  --green-2: #1B5E43;
  --green-3: #2C7A5A;
  --gold: #B79A63;
  --gold-soft: #C9AF80;
  --line: rgba(18, 58, 43, 0.12);
  --line-soft: rgba(18, 58, 43, 0.07);
  --line-light: rgba(246, 243, 236, 0.18);

  /* 全站黑体字链：苹方 / 鸿蒙 / 雅黑 / 思源黑体，最后兜底无衬线 */
  --sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI",
    "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC",
    "Noto Sans SC", "Heiti SC", system-ui, -apple-system, "Segoe UI",
    Roboto, Arial, sans-serif;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

::selection { background: var(--green); color: var(--paper); }

.wrap { width: 100%; max-width: 1260px; margin: 0 auto; padding: 0 40px; }

/* ---------- 顶部细条 ---------- */
.topbar {
  background: var(--green);
  color: rgba(246, 243, 236, 0.72);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.topbar .wrap {
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar a { transition: color 0.3s var(--ease); }
.topbar a:hover { color: var(--gold-soft); }
.topbar__right { display: flex; align-items: center; gap: 14px; }
.topbar__right i {
  width: 1px; height: 10px;
  background: rgba(246, 243, 236, 0.24);
  display: inline-block;
}

/* ---------- 导航 ---------- */
.hdr {
  position: sticky; top: 0; z-index: 90;
  background: rgba(246, 243, 236, 0.94);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow 0.4s var(--ease), background 0.4s var(--ease);
}
.hdr.is-stuck {
  box-shadow: 0 12px 32px -18px rgba(18, 58, 43, 0.28);
  background: rgba(251, 249, 244, 0.97);
}
.hdr__in {
  display: flex; align-items: center; gap: 32px;
  height: 86px;
}
.hdr__logo img { height: 54px; width: auto; mix-blend-mode: multiply; }

.nav { display: flex; gap: 34px; margin-left: auto; }
.nav a {
  position: relative;
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--ink-2);
  padding: 6px 0;
  transition: color 0.3s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.42s var(--ease);
}
.nav a:hover, .nav a.is-active { color: var(--green); }
.nav a:hover::after, .nav a.is-active::after { width: 100%; }

.hdr__cta {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--paper);
  background: var(--green);
  padding: 11px 22px;
  border: 1px solid var(--green);
  transition: background 0.35s var(--ease), color 0.35s var(--ease);
}
.hdr__cta:hover { background: var(--green-2); border-color: var(--green-2); }

.burger {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  background: transparent;
  position: relative;
}
.burger span {
  position: absolute; left: 11px; width: 18px; height: 1px;
  background: var(--green);
  transition: transform 0.35s var(--ease), opacity 0.3s;
}
.burger span:nth-child(1) { top: 16px; }
.burger span:nth-child(2) { top: 23px; }
body.nav-open .burger span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
body.nav-open .burger span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

/* ---------- 首屏 ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(120% 90% at 88% 12%, rgba(183, 154, 99, 0.09), transparent 60%),
    radial-gradient(90% 70% at 6% 92%, rgba(27, 94, 67, 0.07), transparent 58%),
    var(--paper);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(70% 60% at 50% 40%, #000 10%, transparent 78%);
  opacity: 0.5;
  pointer-events: none;
}
.hero__in {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 72px;
  align-items: center;
  padding: 96px 0 104px;
}
.hero__text { position: relative; padding-left: 30px; }
.hero__text::before {
  content: "";
  position: absolute; left: 0; top: 6px; bottom: 6px;
  width: 1px;
  background: linear-gradient(var(--gold), rgba(183, 154, 99, 0));
}
.eyebrow {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 0.34em;
  color: var(--gold);
  text-transform: uppercase;
}
.hero__cn {
  font-family: var(--sans);
  font-size: clamp(40px, 4.6vw, 62px);
  line-height: 1.28;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin: 20px 0 0;
  color: var(--green);
}
.hero__cn em {
  font-style: normal;
  color: var(--gold);
}
.hero__en {
  margin-top: 14px;
  font-size: 11.5px;
  letter-spacing: 0.28em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.hero__desc {
  margin-top: 26px;
  max-width: 460px;
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 2.05;
}
.hero__acts { margin-top: 38px; display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 14px 30px;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  border: 1px solid var(--green);
  border-radius: 999px;
  color: var(--paper);
  background: var(--green);
  transition: background 0.4s var(--ease), color 0.4s var(--ease),
    border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.btn:hover { background: var(--green-2); border-color: var(--green-2); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--green); border-color: var(--line); }
.btn--ghost:hover { background: var(--green); border-color: var(--green); color: #FFFFFF; transform: translateY(-2px); }
.btn--light { background: transparent; color: var(--paper); border-color: rgba(246, 243, 236, 0.34); }
.btn--light:hover { background: var(--paper); border-color: var(--paper); color: var(--green); }
.btn span.arr { font-size: 15px; line-height: 1; transform: translateX(0); transition: transform 0.4s var(--ease); }
.btn:hover span.arr { transform: translateX(4px); }

.hero__media { position: relative; }
.hero__media::after {
  content: "";
  position: absolute; inset: 18px -18px -18px 18px;
  border: 1px solid var(--gold-soft);
  pointer-events: none;
}
.hero__media img {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--paper-2);
}

.hero__marks {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}
.hero__marks div {
  padding: 26px 6px 32px;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--ink-2);
}
.hero__marks div + div { border-left: 1px solid var(--line); padding-left: 28px; }
.hero__marks b {
  display: block;
  font-family: var(--sans);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--green);
  font-weight: 600;
  margin-bottom: 4px;
}

/* ---------- 通用区块 ---------- */
.sec { padding: 120px 0; position: relative; }
.sec--paper { background: var(--paper-3); }
.sec--deep { background: var(--green); color: var(--paper); }
.sec--tight { padding: 84px 0; }

.sec__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 64px; }
.sec__head-l { position: relative; padding-left: 26px; }
.sec__head-l::before {
  content: "";
  position: absolute; left: 0; top: 8px;
  width: 1px; height: 42px;
  background: var(--gold);
}
.sec__en {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--gold);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.sec__en::after {
  content: "";
  width: 40px;
  height: 1px;
  background: currentColor;
  opacity: 0.45;
}
.sec__title {
  font-family: var(--sans);
  font-size: clamp(26px, 2.9vw, 38px);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.4;
  margin: 10px 0 0;
  color: var(--green);
}
.sec--deep .sec__title { color: var(--paper); }
.sec__sub { color: var(--ink-2); font-size: 14px; max-width: 520px; margin: 14px 0 0; }
.sec--deep .sec__sub { color: rgba(246, 243, 236, 0.66); }
.sec__more {
  font-size: 12.5px; letter-spacing: 0.16em; font-weight: 500;
  color: var(--green);
  display: inline-flex; gap: 12px; align-items: center;
  padding: 11px 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: background 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease);
  white-space: nowrap;
}
.sec__more span { transition: transform 0.35s var(--ease); }
.sec__more:hover { background: var(--green); border-color: var(--green); color: #FFFFFF; }
.sec__more:hover span { transform: translateX(4px); }
.sec--deep .sec__more { color: var(--paper); border-color: rgba(246, 243, 236, 0.3); }
.sec--deep .sec__more:hover { background: var(--paper); color: var(--green); border-color: var(--paper); }

/* ---------- 理念条 ---------- */
.creed { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 80px; align-items: start; }
.creed__quote {
  font-family: var(--sans);
  font-size: clamp(23px, 2.3vw, 31px);
  line-height: 1.78;
  letter-spacing: 0.08em;
  color: var(--paper);
  margin: 0;
  font-weight: 400;
  text-wrap: balance;
}
.creed__quote span { color: var(--gold-soft); }
.creed__sign {
  margin-top: 30px;
  font-size: 11.5px;
  letter-spacing: 0.3em;
  color: rgba(246, 243, 236, 0.5);
  text-transform: uppercase;
}
.creed__body p { color: rgba(246, 243, 236, 0.74); font-size: 14.5px; line-height: 2.1; margin: 0 0 18px; }
.creed__pts { list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 0; }
.creed__pts li {
  display: flex; gap: 20px;
  padding: 18px 0;
  border-top: 1px solid rgba(246, 243, 236, 0.14);
  font-size: 13.5px;
  color: rgba(246, 243, 236, 0.82);
  letter-spacing: 0.04em;
}
.creed__pts li b {
  font-family: var(--sans); color: var(--gold-soft); font-weight: 400;
  letter-spacing: 0.2em; flex: none; width: 28px;
}

/* ---------- 业务板块 ---------- */
.biz { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.biz__item {
  position: relative;
  display: flex; flex-direction: column;
  padding: 44px 30px 40px;
  border-bottom: 1px solid var(--line);
  transition: background 0.5s var(--ease), transform 0.5s var(--ease);
}
.biz__item + .biz__item { border-left: 1px solid var(--line); }
.biz__item:hover { background: rgba(183, 154, 99, 0.055); }
.biz__no {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--gold);
}
.biz__name {
  font-family: var(--sans);
  font-size: 21px;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--green);
  margin: 20px 0 4px;
}
.biz__en { font-size: 10.5px; letter-spacing: 0.2em; color: var(--ink-3); text-transform: uppercase; }
.biz__desc { font-size: 13.5px; color: var(--ink-2); line-height: 1.95; margin: 18px 0 0; }
.biz__line {
  margin-top: auto; height: 1px; width: 28px;
  background: var(--gold); transition: width 0.5s var(--ease);
}
.biz__item:hover .biz__line { width: 64px; }

/* ---------- 产品 ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.prod-card {
  background: #fff;
  border: 1px solid var(--line-soft);
  padding: 0 0 30px;
  display: flex; flex-direction: column;
  transition: border-color 0.5s var(--ease), transform 0.5s var(--ease),
    box-shadow 0.5s var(--ease);
}
.prod-card:hover {
  border-color: var(--gold-soft);
  transform: translateY(-6px);
  box-shadow: 0 30px 60px -40px rgba(18, 58, 43, 0.4);
}
.prod-card__media {
  aspect-ratio: 4 / 3;
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  padding: 18px;
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}
.prod-card__media img { width: 100%; height: 100%; object-fit: contain; transition: transform 0.7s var(--ease); }
.prod-card:hover .prod-card__media img { transform: scale(1.04); }
.prod-card__body { padding: 24px 22px 0; display: flex; flex-direction: column; flex: 1; }
.prod-card__tag {
  font-size: 10px; letter-spacing: 0.18em; color: var(--gold);
  text-transform: uppercase;
}
.prod-card__name {
  font-family: var(--sans);
  font-size: 17.5px; letter-spacing: 0.06em;
  color: var(--green); font-weight: 600;
  margin: 10px 0 0;
}
.prod-card__desc { font-size: 13px; color: var(--ink-2); line-height: 1.85; margin: 12px 0 0; }
.prod-card__meta {
  margin-top: auto; padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  display: flex; justify-content: space-between; gap: 12px;
  font-size: 11.5px; letter-spacing: 0.08em; color: var(--ink-3);
}

/* ---------- 产品详情（products 页） ---------- */
.pdetail {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px;
  align-items: center;
  padding: 64px 0;
  border-top: 1px solid var(--line);
}
.pdetail:nth-child(even) .pdetail__media { order: 2; }
.pdetail__media {
  background: #fff; border: 1px solid var(--line-soft); padding: 26px;
  aspect-ratio: 4 / 3;
  display: flex; align-items: center; justify-content: center;
}
.pdetail__media img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.pdetail__no { font-family: var(--sans); letter-spacing: 0.3em; color: var(--gold); font-size: 12px; }
.pdetail__name {
  font-family: var(--sans); font-size: clamp(24px, 2.4vw, 32px);
  letter-spacing: 0.08em; font-weight: 600; color: var(--green); margin: 14px 0 6px;
}
.pdetail__latin { font-size: 11px; letter-spacing: 0.24em; color: var(--ink-3); text-transform: uppercase; }
.pdetail__desc { color: var(--ink-2); font-size: 14.5px; line-height: 2.05; margin: 22px 0 0; }
.specs { list-style: none; padding: 0; margin: 28px 0 0; border-top: 1px solid var(--line); }
.specs li {
  display: grid; grid-template-columns: 120px 1fr; gap: 20px;
  padding: 14px 0; border-bottom: 1px solid var(--line);
  font-size: 13.5px; line-height: 1.85;
}
.specs li span { color: var(--ink-3); letter-spacing: 0.08em; white-space: nowrap; }
.specs li b { font-weight: 400; color: var(--green); }

/* ---------- 案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.case-card {
  background: var(--paper-3);
  border: 1px solid var(--line-soft);
  padding: 40px 34px 34px;
  position: relative;
  transition: border-color 0.5s var(--ease), background 0.5s var(--ease);
}
.case-card:hover { border-color: var(--gold-soft); background: #fff; }
.case-card::before {
  content: "\201C";
  position: absolute; top: 12px; left: 28px;
  font-family: var(--sans); font-size: 52px; color: var(--gold-soft);
  line-height: 1; opacity: 0.7;
}
.case-card__txt {
  font-size: 14px; color: var(--ink-2); line-height: 2.05;
  margin: 26px 0 0; min-height: 116px;
}
.case-card__who {
  margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line);
  display: flex; align-items: center; gap: 14px;
}
.case-card__ava {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--green); color: var(--paper);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--sans); font-size: 15px; flex: none;
}
.case-card__who b { display: block; font-family: var(--sans); font-size: 14px; font-weight: 600; color: var(--green); letter-spacing: 0.06em; }
.case-card__who em { font-style: normal; font-size: 11.5px; color: var(--ink-3); letter-spacing: 0.06em; }

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); gap: 68px; }
.news-feature__media { aspect-ratio: 16/10; overflow: hidden; background: var(--paper-2); }
.news-feature__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.news-feature:hover .news-feature__media img { transform: scale(1.05); }
.news-feature__date { margin-top: 24px; font-size: 11.5px; letter-spacing: 0.22em; color: var(--gold); }
.news-feature__title {
  font-family: var(--sans); font-size: 22px; line-height: 1.65;
  letter-spacing: 0.04em; color: var(--green); margin: 12px 0 0; font-weight: 600;
}
.news-feature__desc { font-size: 13.5px; color: var(--ink-2); margin: 12px 0 0; }

.news-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.news-list li { border-bottom: 1px solid var(--line); }
.news-list a { display: flex; gap: 28px; padding: 26px 0; align-items: flex-start; transition: padding-left 0.45s var(--ease); }
.news-list a:hover { padding-left: 10px; }
.news-date {
  flex: none; width: 66px;
  font-family: var(--sans); color: var(--gold); letter-spacing: 0.04em;
  border-right: 1px solid var(--line); padding-right: 18px;
}
.news-date b { display: block; font-size: 24px; font-weight: 600; line-height: 1.1; color: var(--green); }
.news-date em { font-style: normal; font-size: 11px; letter-spacing: 0.16em; color: var(--ink-3); }
.news-list h4 {
  margin: 0; font-family: var(--sans); font-size: 16.5px; font-weight: 600;
  line-height: 1.7; color: var(--green); letter-spacing: 0.03em;
}
.news-list p { margin: 6px 0 0; font-size: 13px; color: var(--ink-3); }

/* ---------- 表单 ---------- */
.form-band { background: var(--green); color: var(--paper); position: relative; overflow: hidden; }
.form-band::after {
  content: ""; position: absolute; right: -120px; top: -120px;
  width: 420px; height: 420px; border-radius: 50%;
  border: 1px solid rgba(183, 154, 99, 0.22);
}
.fb-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 80px; align-items: start; }
.form-band .sec__title { color: var(--paper); }
.form-band .sec__sub { color: rgba(246, 243, 236, 0.66); }

.form { display: grid; gap: 18px; }
.field { position: relative; }
.field label {
  display: block; font-size: 11.5px; letter-spacing: 0.18em;
  color: rgba(246, 243, 236, 0.55); margin-bottom: 8px;
}
.field input, .field select, .field textarea {
  width: 100%;
  background: transparent;
  border: 0; border-bottom: 1px solid rgba(246, 243, 236, 0.24);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 14.5px;
  padding: 10px 0;
  outline: none;
  transition: border-color 0.35s var(--ease);
  border-radius: 0;
}
.field select { color: var(--paper); }
.field select option { color: var(--ink); }
.field textarea { resize: vertical; min-height: 74px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--gold); }
.field input::placeholder, .field textarea::placeholder { color: rgba(246, 243, 236, 0.32); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.form__note { font-size: 11.5px; color: rgba(246, 243, 236, 0.42); line-height: 1.9; }
.form__msg { font-size: 13px; color: var(--gold-soft); min-height: 20px; }
.btn--gold { background: var(--gold); border-color: var(--gold); color: #22301f; }
.btn--gold:hover { background: var(--gold-soft); border-color: var(--gold-soft); color: #22301f; }

/* 浅色表单（contact 页） */
.form--light .field label { color: var(--ink-3); }
.form--light .field input, .form--light .field select, .form--light .field textarea {
  color: var(--ink);
  border-bottom-color: var(--line);
}
.form--light .field input::placeholder, .form--light .field textarea::placeholder { color: var(--ink-3); }
.form--light .form__note { color: var(--ink-3); }

/* ---------- 内页头 ---------- */
.page-hero {
  background: var(--green);
  color: var(--paper);
  padding: 96px 0 84px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(70% 100% at 80% 0%, rgba(183, 154, 99, 0.16), transparent 62%),
    linear-gradient(180deg, rgba(0,0,0,0.12), transparent 60%);
  pointer-events: none;
}
.page-hero__in { position: relative; }
.crumb { font-size: 11.5px; letter-spacing: 0.18em; color: rgba(246, 243, 236, 0.5); }
.crumb a:hover { color: var(--gold-soft); }
.page-hero h1 {
  font-family: var(--sans);
  font-size: clamp(30px, 3.6vw, 46px);
  font-weight: 600; letter-spacing: 0.14em;
  margin: 20px 0 0;
}
.page-hero__en { margin-top: 12px; font-size: 11px; letter-spacing: 0.34em; color: var(--gold-soft); text-transform: uppercase; }
.page-hero__desc { margin-top: 24px; max-width: 620px; color: rgba(246, 243, 236, 0.72); font-size: 14.5px; line-height: 2.05; }

/* ---------- 关于页 ---------- */
.about-grid { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: 80px; align-items: start; }
.about-fig { position: relative; }
.about-fig img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
.about-fig::after {
  content: ""; position: absolute; inset: 16px -16px -16px 16px;
  border: 1px solid var(--gold-soft); z-index: -1;
}
.prose p { color: var(--ink-2); font-size: 14.5px; line-height: 2.15; margin: 0 0 20px; }
.prose p:first-of-type::first-letter { font-family: var(--sans); font-size: 1.1em; }

.kv { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 48px; margin-top: 40px; border-top: 1px solid var(--line); }
.kv div { padding: 20px 0; border-bottom: 1px solid var(--line); }
.kv span { display: block; font-size: 11px; letter-spacing: 0.2em; color: var(--ink-3); margin-bottom: 6px; }
.kv b { font-family: var(--sans); font-weight: 600; font-size: 15px; color: var(--green); letter-spacing: 0.04em; }

.tl { list-style: none; padding: 0; margin: 0; }
.tl li { display: grid; grid-template-columns: 110px 1fr; gap: 40px; padding: 30px 0; border-top: 1px solid rgba(246,243,236,0.14); }
.tl li b { font-family: var(--sans); font-size: 22px; font-weight: 400; color: var(--gold-soft); letter-spacing: 0.06em; }
.tl li p { margin: 0; color: rgba(246,243,236,0.74); font-size: 14px; line-height: 2; }
.tl li h4 { margin: 0 0 6px; font-family: var(--sans); font-size: 17px; font-weight: 600; color: var(--paper); letter-spacing: 0.06em; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 88px; }
.info-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.info-list li { padding: 22px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 86px 1fr; gap: 20px; }
.info-list span { font-size: 11.5px; letter-spacing: 0.2em; color: var(--ink-3); padding-top: 3px; }
.info-list b { font-weight: 400; font-size: 14.5px; color: var(--green); line-height: 1.9; }

/* ---------- 页脚 ---------- */
.ftr { background: #0E2C21; color: rgba(246, 243, 236, 0.62); padding: 76px 0 0; }
.ftr__top { display: grid; grid-template-columns: 1.25fr 0.75fr 0.75fr 0.9fr; gap: 56px; padding-bottom: 56px; }
.ftr__brand img { height: 68px; width: auto; opacity: 0.94; margin-bottom: 22px; }
.ftr__slogan { font-family: var(--sans); font-size: 15px; letter-spacing: 0.18em; color: rgba(246, 243, 236, 0.8); line-height: 2; }
.ftr h5 { margin: 0 0 20px; font-size: 12px; letter-spacing: 0.24em; color: var(--paper); font-weight: 400; }
.ftr ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.ftr ul a { font-size: 13px; letter-spacing: 0.06em; transition: color 0.3s var(--ease), padding-left 0.3s var(--ease); }
.ftr ul a:hover { color: var(--gold-soft); padding-left: 4px; }
.ftr__contact p { margin: 0 0 12px; font-size: 13px; line-height: 1.9; }
.ftr__contact b { color: rgba(246, 243, 236, 0.86); font-weight: 400; }
.ftr__bot {
  border-top: 1px solid rgba(246, 243, 236, 0.1);
  padding: 22px 0;
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  font-size: 11.5px; letter-spacing: 0.06em; color: rgba(246, 243, 236, 0.4);
}
.ftr__bot a:hover { color: var(--gold-soft); }

/* ---------- 滚动进场 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .wrap { padding: 0 28px; }
  .hero__in { grid-template-columns: 1fr; gap: 48px; padding: 64px 0 72px; }
  .hero__media::after { inset: 12px -12px -12px 12px; }
  .creed, .news-grid, .fb-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .biz { grid-template-columns: repeat(2, 1fr); }
  .biz__item:nth-child(3) { border-left: 0; }
  .prod-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .ftr__top { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .pdetail { grid-template-columns: 1fr; gap: 32px; }
  .pdetail:nth-child(even) .pdetail__media { order: 0; }
}

@media (max-width: 760px) {
  body { font-size: 14.5px; }
  .wrap { padding: 0 20px; }
  .topbar__slogan { display: none; }
  .topbar .wrap { justify-content: center; }
  .hdr__in { height: 68px; }
  .hdr__logo img { height: 40px; }
  .hdr__cta { display: none; }
  .burger { display: block; margin-left: auto; }
  .nav {
    position: fixed; inset: 68px 0 auto 0;
    background: var(--paper-3);
    flex-direction: column; gap: 0;
    padding: 8px 20px 24px;
    border-bottom: 1px solid var(--line);
    transform: translateY(-12px);
    opacity: 0; pointer-events: none;
    transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
    box-shadow: 0 24px 40px -30px rgba(18,58,43,0.5);
  }
  body.nav-open .nav { opacity: 1; transform: none; pointer-events: auto; }
  .nav a { padding: 15px 0; border-bottom: 1px solid var(--line-soft); font-size: 15px; }
  .nav a::after { display: none; }
  .sec { padding: 72px 0; }
  .sec__head { flex-direction: column; align-items: flex-start; gap: 20px; margin-bottom: 36px; }
  .hero__marks { grid-template-columns: 1fr; }
  .hero__marks div + div { border-left: 0; border-top: 1px solid var(--line); padding-left: 6px; }
  .biz, .prod-grid, .case-grid { grid-template-columns: 1fr; }
  .biz__item + .biz__item { border-left: 0; }
  .ftr__top { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; }
  .tl li { grid-template-columns: 1fr; gap: 8px; }
  .page-hero { padding: 64px 0 56px; }
  .ftr { padding-top: 56px; }
}

/* ---------- 业务明细行 ---------- */
.bizrow {
  display: grid;
  grid-template-columns: 108px 0.9fr 1.1fr;
  gap: 56px;
  padding: 54px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.bizrow__no {
  font-family: var(--sans);
  font-size: 46px;
  line-height: 1;
  color: var(--gold-soft);
  letter-spacing: 0.04em;
  font-weight: 400;
}
.bizrow__main h3 {
  font-family: var(--sans);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--green);
  margin: 0 0 8px;
}
.bizrow__main .en {
  font-size: 10.5px;
  letter-spacing: 0.24em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.bizrow__main p {
  margin: 20px 0 0;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 2.05;
}
.bizrow__side { padding-top: 4px; }
.bizrow__side ul { list-style: none; padding: 0; margin: 0; }
.bizrow__side li {
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13.5px;
  color: var(--ink-2);
  display: flex;
  gap: 14px;
}
.bizrow__side li::before {
  content: "";
  width: 14px;
  height: 1px;
  background: var(--gold);
  margin-top: 13px;
  flex: none;
}

/* ---------- 步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(246,243,236,0.16); }
.step { padding: 38px 26px 0; border-left: 1px solid rgba(246,243,236,0.16); }
.step:first-child { border-left: 0; padding-left: 0; }
.step__no { font-family: var(--sans); font-size: 12px; letter-spacing: 0.3em; color: var(--gold-soft); }
.step h4 { font-family: var(--sans); font-size: 19px; font-weight: 600; letter-spacing: 0.08em; color: var(--paper); margin: 16px 0 10px; }
.step p { margin: 0; font-size: 13px; line-height: 1.95; color: rgba(246,243,236,0.66); }

/* ---------- 案例页 ---------- */
.case-grid--wide { grid-template-columns: repeat(2, 1fr); }
.case-grid--wide .case-card__txt { min-height: 0; }

/* ---------- 新闻页 ---------- */
.news-page { display: grid; gap: 0; }
.news-page__item {
  display: grid;
  grid-template-columns: 0.42fr 1fr;
  gap: 56px;
  padding: 46px 0;
  border-top: 1px solid var(--line);
  align-items: center;
}
.news-page__item figure { margin: 0; aspect-ratio: 16/10; overflow: hidden; background: var(--paper-2); }
.news-page__item figure img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.news-page__item:hover figure img { transform: scale(1.05); }
.news-page__meta { font-size: 11px; letter-spacing: 0.22em; color: var(--gold); text-transform: uppercase; }
.news-page__item h3 {
  font-family: var(--sans); font-size: 22px; font-weight: 500; line-height: 1.6;
  letter-spacing: 0.03em; color: var(--green); margin: 12px 0 0;
}
.news-page__item p { margin: 12px 0 0; color: var(--ink-2); font-size: 13.5px; line-height: 2; }
.news-page__item .more { display: inline-flex; gap: 8px; margin-top: 18px; font-size: 12px; letter-spacing: 0.16em; color: var(--ink-3); border-bottom: 1px solid var(--line); padding-bottom: 4px; }

/* ---------- 联系页补充 ---------- */
.map-ph {
  margin-top: 34px;
  aspect-ratio: 16/9;
  border: 1px solid var(--line);
  background:
    linear-gradient(var(--line-soft) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px) 0 0 / 40px 40px,
    var(--paper-3);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-3); font-size: 12px; letter-spacing: 0.2em;
}
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.tag-row span {
  font-size: 11.5px; letter-spacing: 0.12em; color: var(--green);
  border: 1px solid var(--line); padding: 7px 14px;
}

@media (max-width: 1080px) {
  .bizrow { grid-template-columns: 80px 1fr; gap: 28px; }
  .bizrow__side { grid-column: 2; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step { padding: 32px 22px 0; }
  .step:nth-child(3) { border-left: 0; padding-left: 0; }
  .news-page__item { grid-template-columns: 1fr; gap: 24px; }
  .case-grid--wide { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .bizrow { grid-template-columns: 1fr; gap: 14px; padding: 40px 0; }
  .bizrow__side { grid-column: 1; }
  .bizrow__no { font-size: 32px; }
  .steps { grid-template-columns: 1fr; }
  .step { border-left: 0; padding-left: 0; padding-right: 0; }
}

/* ---------- 产品卖点（浅底） ---------- */
.pfeat { list-style: none; padding: 0; margin: 26px 0 0; border-top: 1px solid var(--line); }
.pfeat li {
  display: flex; gap: 18px; align-items: baseline;
  padding: 14px 0; border-bottom: 1px solid var(--line);
  font-size: 13.5px; color: var(--ink-2); line-height: 1.9;
}
.pfeat li b {
  flex: none; width: 106px; font-weight: 400;
  font-family: var(--sans); color: var(--green); letter-spacing: 0.04em;
}

/* ---------- 页头品牌锁定（标记 + 字标） ---------- */
.hdr__logo { display: flex; align-items: center; gap: 13px; }
.hdr__logo img { height: 40px; width: auto; }
.hdr__logo .wm {
  display: flex; flex-direction: column; line-height: 1;
  padding-left: 13px; border-left: 1px solid var(--line);
}
.hdr__logo .wm b {
  font-family: var(--sans); font-size: 17px; letter-spacing: 0.2em;
  color: var(--green); font-weight: 600;
}
.hdr__logo .wm i {
  font-style: normal; font-size: 8.5px; letter-spacing: 0.3em;
  color: var(--ink-3); margin-top: 7px;
}
@media (max-width: 760px) {
  .hdr__logo img { height: 32px; }
  .hdr__logo .wm b { font-size: 15px; }
  .hdr__logo .wm i { display: none; }
}

/* ---------- 单字编号（产品页矩阵） ---------- */
.biz--chars .biz__no { font-size: 20px; letter-spacing: 0; font-family: var(--sans); color: var(--gold); }

/* ---------- 表单按钮对齐 ---------- */
.form > button[type="submit"] { justify-content: center; letter-spacing: 0.24em; }

@media (max-width: 760px) {
  .hero__acts { flex-direction: column; align-items: stretch; }
  .hero__acts .btn { justify-content: center; }
  .hero__media::after { display: none; }
}

/* ---------- 产品照片与纸底融合 ---------- */
.hero__media { background: var(--paper); }
.hero__media img { mix-blend-mode: multiply; }
.about-fig img { mix-blend-mode: multiply; }
.prod-card__media img, .pdetail__media img { mix-blend-mode: multiply; }

/* ---------- 案例卡配图 ---------- */
.case-card.has-media::before { display: none; }
.case-card__media {
  margin: -40px -34px 24px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--paper-2);
}
.case-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.case-card:hover .case-card__media img { transform: scale(1.04); }
.case-card.has-media .case-card__txt { margin-top: 0; padding-top: 22px; }