/* ============================================================
 * 金生水 OPC 数智社区 — 全站样式
 * 风格：简约大气 · 深青蓝主色 + 金铜点缀 + 多色分区层次
 * ============================================================ */

:root {
  /* —— 中性色 —— */
  --ink: #0a1f33;
  --ink-2: #18395a;
  --ink-3: #3a5a7a;
  --muted: #68809a;
  --line: #e0e8f0;
  --line-2: #c7d5e3;
  --bg: #ffffff;
  --bg-soft: #f6f9fc;
  --bg-tint: #eaf1f8;

  /* —— 主色：青蓝 —— */
  --primary: #10688c;
  --primary-2: #0d8aa8;
  --primary-3: #38b2c4;
  --primary-bg: #e8f4f8;
  --primary-deep: #0a4f6b;

  /* —— 点缀：金铜 —— */
  --gold: #b8894a;
  --gold-soft: #d8b57e;
  --gold-bg: #fdf8f1;

  /* —— 多色点缀（图标 / 分区）—— */
  --c-teal: #0d8aa8;    --c-teal-bg: #e6f5f8;   --c-teal-2: #38b2c4;
  --c-amber: #c4813a;   --c-amber-bg: #fdf4e8;  --c-amber-2: #d8b57e;
  --c-violet: #6b5aa8;  --c-violet-bg: #f0edf9; --c-violet-2: #9a8ed0;
  --c-rose: #b5566e;    --c-rose-bg: #fceef2;   --c-rose-2: #d98ba0;
  --c-green: #2f8f6a;   --c-green-bg: #e9f6f1;  --c-green-2: #5fb894;

  /* —— 深色区块 —— */
  --deep-1: #08243a;
  --deep-2: #0c3450;
  --deep-3: #10506e;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 3px rgba(10, 31, 51, .07), 0 1px 2px rgba(10, 31, 51, .04);
  --shadow: 0 10px 32px rgba(10, 31, 51, .10);
  --shadow-tint: 0 10px 30px rgba(16, 104, 140, .10);
  --shadow-lg: 0 22px 56px rgba(10, 31, 51, .16);
  --maxw: 1160px;
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  color: var(--ink);
  font-weight: 600;
  line-height: 1.4;
  margin: 0 0 .6em;
  letter-spacing: .01em;
}

h1 { font-size: 2.5rem; letter-spacing: .02em; }
h2 { font-size: 1.85rem; }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1.1em; }
a { color: var(--ink-2); text-decoration: none; transition: color .2s; }
a:hover { color: var(--gold); }
img { max-width: 100%; display: block; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ============================================================
   全站统一方格底纹
   —— 浅色区块：浅青格线 / 深色区块：白色格线
   —— 格子尺寸统一 56px，两种线宽 1px
   ============================================================ */
:root {
  --grid-size: 56px;
  --grid-line-light: rgba(16, 104, 140, .055);  /* 浅色区格线 */
  --grid-line-dark: rgba(255, 255, 255, .055);  /* 深色区格线 */
}

/* 浅色区块的统一方格底（作为所有 .section 的默认背景） */
.section {
  padding: 58px 0; position: relative;
  background:
    linear-gradient(var(--grid-line-light) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(90deg, var(--grid-line-light) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(180deg, #fbfdff 0%, #f3f9fc 100%);
}
/* 需要纯色底的区块，用 background-color 叠加在方格之下（格线仍然可见） */
.section--soft {
  background:
    linear-gradient(var(--grid-line-light) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(90deg, var(--grid-line-light) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(180deg, #fbfdff 0%, #f3f9fc 100%);
}
.section--tint {
  background:
    linear-gradient(var(--grid-line-light) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(90deg, var(--grid-line-light) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(180deg, #eef5fa 0%, #e6f0f8 100%);
}
/* 双色分区背景（左青右金） + 方格 */
.section--dual {
  background:
    linear-gradient(var(--grid-line-light) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(90deg, var(--grid-line-light) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(115deg, #f1f9fc 0%, #f7fbfd 45%, #fdf9f2 100%);
}
/* 带网格纹理的浅色区块：现在与全站统一，保留类名以防引用 */
.section--grid-bg {
  background:
    linear-gradient(var(--grid-line-light) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(90deg, var(--grid-line-light) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(180deg, #fbfdff 0%, #f3f9fc 100%);
}
/* 深色区块：深蓝底 + 白色方格线 */
/* 深色区块：深蓝底 + 白色方格线（间距等细节见下方 .section--dark 规则） */
.section--deep {
  color: #fff; overflow: hidden;
  background:
    linear-gradient(var(--grid-line-dark) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(90deg, var(--grid-line-dark) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(140deg, #08243a 0%, #0c3450 52%, #10506e 100%);
}
/* 深色区块装饰：双色光晕（方格底已并入上方背景） */
.section--deep::after {
  content: ''; position: absolute; top: -220px; right: -140px; width: 620px; height: 620px;
  border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(56, 178, 196, .24) 0%, transparent 70%);
}
.section--deep .wrap { position: relative; z-index: 1; }
.section--deep h2, .section--deep h3 { color: #fff; }
.section--deep .head__desc { color: rgba(255, 255, 255, .74); }
.section--deep .head__eyebrow { color: var(--gold-soft); }

/* 深色区块（与 --deep 同族，供文字/卡片反色使用） */
.section--dark {
  background:
    linear-gradient(var(--grid-line-dark) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(90deg, var(--grid-line-dark) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(150deg, #0a2b44 0%, #0d3d55 100%);
  color: #fff; overflow: hidden; position: relative;
}
.section--dark .wrap { position: relative; z-index: 1; }
.section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.section--dark .head__desc { color: rgba(255, 255, 255, .74); }
.section--dark .head__eyebrow { color: var(--gold-soft); }
.section--dark .note {
  background: rgba(255, 255, 255, .08); border-left-color: var(--gold-soft);
  color: rgba(255, 255, 255, .85);
}
.section--dark .note strong { color: #fff; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background:
    linear-gradient(var(--grid-line-light) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(90deg, var(--grid-line-light) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 28px;
  height: 72px; display: flex; align-items: center; gap: 36px;
}
.nav__brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.nav__brand img { width: 40px; height: 40px; border-radius: 9px; object-fit: cover; }
.nav__brand b { font-size: 1.06rem; color: var(--ink); font-weight: 600; letter-spacing: .02em; }
.nav__brand span { display: block; font-size: .7rem; color: var(--muted); letter-spacing: .18em; line-height: 1; margin-top: 3px; }
.nav__links { display: flex; gap: 30px; margin-left: auto; }
.nav__links a { font-size: .94rem; color: var(--ink-3); position: relative; padding: 4px 0; }
.nav__links a:hover, .nav__links a.is-active { color: var(--ink); font-weight: 500; }
.nav__links a.is-active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: linear-gradient(90deg, var(--primary-2), var(--primary-3)); border-radius: 2px;
}
/* 登录/注册入口暂不对外展示（保留底层功能，需要时把 display 改回 flex 即可） */
.nav__auth { display: none !important; align-items: center; gap: 12px; flex-shrink: 0; }
.nav__user { display: flex; align-items: center; gap: 9px; font-size: .9rem; color: var(--ink-3); }
.nav__avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: .82rem; font-weight: 600;
}
.nav__toggle { display: none; background: none; border: 0; font-size: 1.5rem; color: var(--ink); cursor: pointer; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: 100px; font-size: .95rem; font-family: var(--font);
  font-weight: 500; cursor: pointer; border: 1px solid transparent;
  transition: background .2s, color .2s, border-color .2s, box-shadow .2s, transform .2s;
  white-space: nowrap;
}
.btn--primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  color: #fff; box-shadow: 0 3px 14px rgba(16, 104, 140, .26);
}
.btn--primary:hover {
  background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 100%);
  color: #fff; box-shadow: 0 10px 26px rgba(16, 104, 140, .36); transform: translateY(-2px);
}
.btn--gold { background: linear-gradient(135deg, var(--gold) 0%, #cb9d5f 100%); color: #fff; box-shadow: 0 3px 14px rgba(184, 137, 74, .26); }
.btn--gold:hover { background: linear-gradient(135deg, #a3763c 0%, var(--gold) 100%); color: #fff; box-shadow: 0 10px 26px rgba(184, 137, 74, .36); transform: translateY(-2px); }
.btn--ghost { border-color: var(--line-2); color: var(--ink-2); background: #fff; }
.btn--ghost:hover { border-color: var(--primary-2); color: var(--primary); background: var(--primary-bg); transform: translateY(-2px); }
.btn--sm { padding: 8px 18px; font-size: .87rem; }
.btn--block { width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none !important; }

/* ---------- 首屏 ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    linear-gradient(var(--grid-line-dark) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(90deg, var(--grid-line-dark) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(145deg, #0a1f33 0%, #0d3d55 42%, #10688c 78%, #0d8aa8 100%);
  color: #fff; padding: 68px 0 60px;
}
.hero::before {
  content: ''; position: absolute; top: -180px; right: -120px;
  width: 640px; height: 640px; border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 178, 196, .28) 0%, transparent 68%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; bottom: -260px; left: -160px;
  width: 620px; height: 620px; border-radius: 50%;
  background: radial-gradient(circle, rgba(184, 137, 74, .26) 0%, transparent 70%);
  pointer-events: none;
}
.hero__grid-lines {
  position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background-image: linear-gradient(var(--grid-line-dark) 1px, transparent 1px),
                    linear-gradient(90deg, var(--grid-line-dark) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 78%);
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 78%);
}
.hero .wrap { position: relative; z-index: 1; }
/* 首屏右侧照片：从左（朦胧）到右（清晰）的渐隐蒙版，铺满 hero 右半区 */
.hero__photo {
  position: absolute; top: 0; right: 0; bottom: 0; width: 62%;
  background: url('../uploads/community/微信图片_20261010200255_32_4035.jpg') center 30% / cover no-repeat;
  pointer-events: none;
  opacity: .92;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, .30) 34%, rgba(0, 0, 0, .78) 62%, #000 86%);
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, .30) 34%, rgba(0, 0, 0, .78) 62%, #000 86%);
  filter: saturate(.92) brightness(.96);
}
@media (max-width: 1180px) {
  .hero__photo { width: 100%; opacity: .38; -webkit-mask-image: none; mask-image: none; }
}
.hero__tag {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 18px; border-radius: 100px; font-size: .82rem; letter-spacing: .06em;
  background: rgba(184, 137, 74, .18); border: 1px solid rgba(216, 181, 126, .42); color: var(--gold-soft);
  margin-bottom: 20px; backdrop-filter: blur(6px);
  box-shadow: 0 4px 18px rgba(184, 137, 74, .12);
}
.hero h1 { color: #fff; font-size: 2.85rem; line-height: 1.24; margin-bottom: 16px; letter-spacing: .02em; }
.hero__lead { font-size: 1.06rem; line-height: 1.78; color: rgba(255, 255, 255, .84); max-width: 660px; margin-bottom: 26px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }
.hero .btn--primary { background: #fff; color: var(--ink); box-shadow: 0 6px 22px rgba(0, 0, 0, .18); }
.hero .btn--primary:hover { background: #f0f4f8; color: var(--ink); box-shadow: 0 10px 30px rgba(0, 0, 0, .24); }
.hero .btn--ghost { border-color: rgba(255, 255, 255, .38); color: #fff; background: rgba(255, 255, 255, .08); }
.hero .btn--ghost:hover { border-color: rgba(255, 255, 255, .75); color: #fff; background: rgba(255, 255, 255, .16); }
.hero__stats { display: flex; gap: 48px; flex-wrap: wrap; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .16); }
.hero__stat { text-align: center; }
.hero__stat b {
  display: block; font-size: 1.9rem; font-weight: 600; color: #fff;
  line-height: 1.2; letter-spacing: .02em;
  background: linear-gradient(135deg, #fff 20%, rgba(216, 181, 126, .95) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero__stat span { display: block; font-size: .84rem; color: rgba(255, 255, 255, .62); }

/* ---------- 标题组 ---------- */
.head { max-width: 720px; margin-bottom: 34px; }
.head--center { margin-left: auto; margin-right: auto; text-align: center; }
.head__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .76rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold); font-weight: 600; margin-bottom: 11px;
  padding: 5px 14px 5px 12px; border-radius: 100px;
  background: rgba(184, 137, 74, .09);
  border: 1px solid rgba(184, 137, 74, .2);
}
.head__eyebrow::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: var(--gold); flex-shrink: 0;
}
.head h2 { margin-bottom: 11px; font-size: 1.92rem; letter-spacing: .005em; }
.head__desc { font-size: 1rem; color: var(--muted); line-height: 1.78; margin: 0; }
/* 标题下方渐变小短线，强化层次 */
.head__rule {
  width: 52px; height: 3px; border-radius: 3px; margin-top: 16px;
  background: linear-gradient(90deg, var(--primary-2), var(--primary-3));
}
.head--center .head__rule { margin-left: auto; margin-right: auto; }
.section--dark .head__rule, .section--deep .head__rule {
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
}
.section--dark .head__eyebrow, .section--deep .head__eyebrow {
  color: var(--gold-soft); background: rgba(216, 181, 126, .12);
  border-color: rgba(216, 181, 126, .26);
}
.section--dark .head__eyebrow::before, .section--deep .head__eyebrow::before { background: var(--gold-soft); }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 18px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px 24px;
  transition: box-shadow .28s, border-color .28s, transform .28s;
  position: relative; overflow: hidden;
  box-shadow: 0 1px 2px rgba(10, 31, 51, .04);
}
/* 顶部彩色渐变条：每张卡都有明确的色彩身份 */
.card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-3));
  opacity: .92; transition: opacity .28s, height .28s;
}
/* 角部径向光晕：打破纯白，制造"有色底"的观感 */
.card::after {
  content: ''; position: absolute; top: -70px; right: -70px; width: 200px; height: 200px;
  border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(56, 178, 196, .14) 0%, transparent 70%);
  transition: transform .4s;
}
.card > * { position: relative; z-index: 1; }
.card:hover {
  box-shadow: 0 16px 42px rgba(10, 31, 51, .13);
  border-color: transparent; transform: translateY(-6px);
}
.card:hover::before { height: 5px; }
.card:hover::after { transform: scale(1.15); }
.card__icon {
  width: 42px; height: 42px; border-radius: 12px; background: var(--primary-bg);
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
  color: var(--primary); font-size: 1.16rem;
  box-shadow: 0 4px 14px rgba(16, 104, 140, .10);
  transition: transform .28s;
}
.card:hover .card__icon { transform: scale(1.07) rotate(-3deg); }
.card h3 { margin-bottom: 7px; font-size: 1.08rem; }
.card__sub { font-size: .85rem; color: var(--primary-2); font-weight: 500; margin-bottom: 9px; }
.card p { font-size: .91rem; color: var(--ink-3); line-height: 1.72; margin: 0; }
/* 卡片内容整体居中 */
.card { text-align: center; }
.card__icon { margin-left: auto; margin-right: auto; }

/* 卡片配色变体：顶条 / 图标 / 副标题 / 光晕 四者联动 */
.card--teal .card__icon  { background: var(--c-teal-bg);   color: var(--c-teal); }
.card--teal .card__sub   { color: var(--c-teal); }
.card--teal::before      { background: linear-gradient(90deg, var(--c-teal), var(--c-teal-2)); }
.card--teal::after       { background: radial-gradient(circle, rgba(13, 138, 168, .16) 0%, transparent 70%); }
.card--amber .card__icon { background: var(--c-amber-bg);  color: var(--c-amber); }
.card--amber .card__sub  { color: var(--c-amber); }
.card--amber::before     { background: linear-gradient(90deg, var(--c-amber), var(--c-amber-2)); }
.card--amber::after      { background: radial-gradient(circle, rgba(196, 129, 58, .16) 0%, transparent 70%); }
.card--violet .card__icon{ background: var(--c-violet-bg); color: var(--c-violet); }
.card--violet .card__sub { color: var(--c-violet); }
.card--violet::before    { background: linear-gradient(90deg, var(--c-violet), var(--c-violet-2)); }
.card--violet::after     { background: radial-gradient(circle, rgba(107, 90, 168, .16) 0%, transparent 70%); }
.card--rose .card__icon  { background: var(--c-rose-bg);   color: var(--c-rose); }
.card--rose .card__sub   { color: var(--c-rose); }
.card--rose::before      { background: linear-gradient(90deg, var(--c-rose), var(--c-rose-2)); }
.card--rose::after       { background: radial-gradient(circle, rgba(181, 86, 110, .16) 0%, transparent 70%); }
.card--green .card__icon { background: var(--c-green-bg);  color: var(--c-green); }
.card--green .card__sub  { color: var(--c-green); }
.card--green::before     { background: linear-gradient(90deg, var(--c-green), var(--c-green-2)); }
.card--green::after      { background: radial-gradient(circle, rgba(47, 143, 106, .16) 0%, transparent 70%); }

/* 深色区块内的卡片：玻璃质感 */
.section--dark .card {
  background: rgba(255, 255, 255, .07);
  border-color: rgba(255, 255, 255, .15);
  backdrop-filter: blur(8px); box-shadow: none;
}
.section--dark .card h3 { color: #fff; }
.section--dark .card p { color: rgba(255, 255, 255, .76); }
.section--dark .card:hover {
  background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .28);
  box-shadow: 0 16px 42px rgba(0, 0, 0, .22);
}
.section--dark .card__icon { background: rgba(255, 255, 255, .12); color: #fff; box-shadow: none; }

/* ---------- 合作原则（编号条） ---------- */
.principles { display: grid; gap: 15px; grid-template-columns: repeat(5, 1fr); }
.principle {
  background: linear-gradient(180deg, #ffffff 0%, #fafcfe 100%);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 19px 20px; position: relative; overflow: hidden;
  transition: box-shadow .28s, transform .28s, border-color .28s;
}
/* 顶部彩色描边，按序号轮换 */
.principle::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary-2), var(--primary-3));
}
.principle::after {
  content: ''; position: absolute; bottom: -50px; right: -50px; width: 130px; height: 130px;
  border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(16, 104, 140, .09) 0%, transparent 70%);
}
.principle > * { position: relative; z-index: 1; }
.principle:hover { box-shadow: 0 14px 36px rgba(10, 31, 51, .12); transform: translateY(-5px); border-color: transparent; }
.principle__no {
  width: 36px; height: 36px; border-radius: 11px; display: flex; align-items: center; justify-content: center;
  font-size: .82rem; font-weight: 700; letter-spacing: .04em;
  background: var(--primary-bg); color: var(--primary-2); margin-bottom: 15px;
  box-shadow: 0 3px 10px rgba(16, 104, 140, .10);
}
/* 原则卡内容整体居中 */
.principle { text-align: center; }
.principle__no { margin-left: auto; margin-right: auto; }
.principle:nth-child(2) .principle__no { background: var(--c-amber-bg); color: var(--c-amber); }
.principle:nth-child(3) .principle__no { background: var(--c-green-bg); color: var(--c-green); }
.principle:nth-child(4) .principle__no { background: var(--c-violet-bg); color: var(--c-violet); }
.principle:nth-child(5) .principle__no { background: var(--c-rose-bg); color: var(--c-rose); }
.principle:nth-child(2)::before { background: linear-gradient(90deg, var(--c-amber), var(--c-amber-2)); }
.principle:nth-child(3)::before { background: linear-gradient(90deg, var(--c-green), var(--c-green-2)); }
.principle:nth-child(4)::before { background: linear-gradient(90deg, var(--c-violet), var(--c-violet-2)); }
.principle:nth-child(5)::before { background: linear-gradient(90deg, var(--c-rose), var(--c-rose-2)); }
.principle:nth-child(2)::after { background: radial-gradient(circle, rgba(196, 129, 58, .10) 0%, transparent 70%); }
.principle:nth-child(3)::after { background: radial-gradient(circle, rgba(47, 143, 106, .10) 0%, transparent 70%); }
.principle:nth-child(4)::after { background: radial-gradient(circle, rgba(107, 90, 168, .10) 0%, transparent 70%); }
.principle:nth-child(5)::after { background: radial-gradient(circle, rgba(181, 86, 110, .10) 0%, transparent 70%); }
.principle h4 { font-size: .98rem; margin-bottom: 6px; color: var(--ink); }
.principle p { font-size: .84rem; color: var(--ink-3); line-height: 1.7; margin: 0; }

/* 深色区块内的原则卡 */
.section--dark .principle {
  background: rgba(255, 255, 255, .07); border-color: rgba(255, 255, 255, .15);
  backdrop-filter: blur(8px);
}
.section--dark .principle h4 { color: #fff; }
.section--dark .principle p { color: rgba(255, 255, 255, .74); }
.section--dark .principle__no { background: rgba(255, 255, 255, .13); color: #fff; box-shadow: none; }

/* 深色区块内的企业墙 —— 白底卡 + 深色底对比最出彩 */
.section--dark .logo-item {
  background: rgba(255, 255, 255, .96);
  border-color: rgba(255, 255, 255, .2);
  box-shadow: 0 6px 20px rgba(0, 0, 0, .18);
}
.section--dark .logo-item:hover {
  border-color: var(--gold-soft); background: #fff;
  box-shadow: 0 16px 38px rgba(0, 0, 0, .3);
}
.section--dark .logo-item--text { color: var(--ink-2); }

/* 深色区块内的步骤时间线 */
.section--dark .step h4 { color: #fff; }
.section--dark .step p { color: rgba(255, 255, 255, .72); }
.section--dark .step:not(:last-child)::before { background: rgba(255, 255, 255, .18); }
.section--dark .step__no {
  background: rgba(255, 255, 255, .1); border-color: var(--primary-3); color: #fff;
  box-shadow: 0 0 0 6px rgba(56, 178, 196, .14);
}
.section--dark .stat-box {
  background: rgba(255, 255, 255, .07); border-color: rgba(255, 255, 255, .15);
}
.section--dark .stat-box span { color: rgba(255, 255, 255, .68); }

/* ---------- 企业墙 ---------- */
.logos { display: grid; grid-template-columns: repeat(6, 1fr); gap: 13px; }
.logo-item {
  background: linear-gradient(180deg, #ffffff 0%, #f8fbfd 100%);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  aspect-ratio: 3 / 2; display: flex; align-items: center; justify-content: center;
  padding: 12px; overflow: hidden; position: relative;
  transition: border-color .28s, box-shadow .28s, transform .28s;
  box-shadow: 0 1px 2px rgba(10, 31, 51, .04);
}
.logo-item::before {
  content: ''; position: absolute; inset: 0; opacity: 0; transition: opacity .28s;
  background: linear-gradient(150deg, rgba(56, 178, 196, .09) 0%, rgba(184, 137, 74, .07) 100%);
}
.logo-item:hover {
  border-color: var(--gold-soft); box-shadow: 0 14px 34px rgba(10, 31, 51, .11);
  transform: translateY(-4px);
}
.logo-item:hover::before { opacity: 1; }
.logo-item img {
  width: 100%; height: 100%; object-fit: contain; position: relative; z-index: 1;
  filter: saturate(1.05);
  transition: transform .28s;
}
.logo-item:hover img { transform: scale(1.06); }
.logo-item__name {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  background: linear-gradient(transparent, rgba(8, 36, 58, .9));
  color: #fff; font-size: .72rem; line-height: 1.45; padding: 22px 8px 8px;
  text-align: center; opacity: 0; transition: opacity .28s;
}
.logo-item:hover .logo-item__name { opacity: 1; }
.logo-item--text {
  padding: 16px; text-align: center; font-size: .84rem; color: var(--ink-2);
  font-weight: 500; line-height: 1.55;
}

/* ---------- 相册 ---------- */
.album { display: grid; grid-template-columns: repeat(4, 1fr); gap: 13px; }
.album figure {
  margin: 0; border-radius: var(--radius); overflow: hidden; background: var(--bg-tint);
  aspect-ratio: 4 / 3; position: relative;
  box-shadow: 0 2px 10px rgba(10, 31, 51, .07);
  transition: box-shadow .3s;
}
.album figure:hover { box-shadow: 0 16px 38px rgba(10, 31, 51, .17); }
.album img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.album figure:hover img { transform: scale(1.07); }
.album figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 28px 14px 11px;
  background: linear-gradient(transparent, rgba(8, 36, 58, .84));
  color: #fff; font-size: .8rem;
}

/* 可点击放大的照片：指针 + 放大图标提示 */
.album figure.is-zoomable { cursor: zoom-in; }
.album figure.is-zoomable::after {
  content: ''; position: absolute; top: 10px; right: 10px; width: 32px; height: 32px;
  border-radius: 50%; background: rgba(8, 36, 58, .55) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2.2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M20 20l-3.5-3.5M11 8v6M8 11h6'/%3E%3C/svg%3E") center/17px 17px no-repeat;
  opacity: 0; transform: scale(.86); transition: opacity .25s, transform .25s;
}
.album figure.is-zoomable:hover::after { opacity: 1; transform: scale(1); }

/* ---------- 社区现场：三个主题组（紧凑版） ---------- */
.scenes { display: grid; gap: 22px; }
.scene__head {
  display: flex; align-items: center; gap: 10px; margin-bottom: 10px;
}
.scene__no {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: .78rem; font-weight: 700; letter-spacing: .04em;
  background: rgba(255, 255, 255, .13); color: var(--gold-soft);
  border: 1px solid rgba(216, 181, 126, .34);
}
.scene__head h3 {
  color: #fff; font-size: 1.02rem; margin: 0; font-weight: 600; line-height: 28px;
}
/* 组内照片：默认 3 列；张数少的组由 JS 打标后自适应列数，避免留空 */
.album--scene { grid-template-columns: repeat(3, 1fr); gap: 12px; }
.album--scene figure { aspect-ratio: 16 / 10; }
.album--scene figcaption { font-size: .78rem; padding: 24px 12px 9px; }
/* 1 张：通栏大图；2 张：两列平分 */
.album--scene[data-count="1"] { grid-template-columns: 1fr; }
.album--scene[data-count="1"] figure { aspect-ratio: 21 / 8; }
.album--scene[data-count="2"] { grid-template-columns: repeat(2, 1fr); }
.album--scene[data-count="2"] figure { aspect-ratio: 16 / 9; }

/* ---------- 图片灯箱 ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 300; display: none;
  align-items: center; justify-content: center; padding: 56px 24px 72px;
  background: rgba(6, 22, 36, .92); backdrop-filter: blur(4px);
}
.lightbox.is-open { display: flex; }
.lightbox__img {
  max-width: 100%; max-height: 100%; border-radius: var(--radius-sm);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .55); object-fit: contain;
  animation: lbIn .24s ease; background: #0b1a26;
}
@keyframes lbIn { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: none; } }
.lightbox__cap {
  position: absolute; left: 0; right: 0; bottom: 22px; text-align: center;
  color: rgba(255, 255, 255, .9); font-size: .88rem; padding: 0 24px;
  pointer-events: none;
}
.lightbox__count {
  position: absolute; top: 20px; left: 24px; color: rgba(255, 255, 255, .72);
  font-size: .82rem; letter-spacing: .04em; font-variant-numeric: tabular-nums;
}
.lightbox__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 46px; height: 46px; border-radius: 50%; cursor: pointer;
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .22);
  color: #fff; font-size: 1.35rem; line-height: 1; display: flex;
  align-items: center; justify-content: center; padding: 0;
  transition: background .22s, border-color .22s;
}
.lightbox__nav:hover { background: rgba(255, 255, 255, .2); border-color: rgba(255, 255, 255, .4); }
.lightbox__nav--prev { left: 20px; }
.lightbox__nav--next { right: 20px; }
.lightbox__nav[hidden] { display: none; }
.lightbox__close {
  position: absolute; top: 16px; right: 20px; width: 42px; height: 42px;
  border-radius: 50%; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .22);
  color: #fff; font-size: 1.4rem; line-height: 1; cursor: pointer; padding: 0;
  display: flex; align-items: center; justify-content: center;
  transition: background .22s, border-color .22s;
}
.lightbox__close:hover { background: rgba(255, 255, 255, .2); border-color: rgba(255, 255, 255, .4); }
body.lb-open { overflow: hidden; }

/* ---------- 内容分栏 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split--top { align-items: start; }
.prose p { color: var(--ink-3); line-height: 1.8; }
.prose h3 { margin-top: 1.5em; }

.note {
  background: linear-gradient(135deg, var(--gold-bg) 0%, #fdf3e6 100%);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 22px 26px; font-size: .93rem; color: var(--ink-2); line-height: 1.88;
  box-shadow: 0 4px 16px rgba(184, 137, 74, .08);
}
.note strong { color: var(--ink); }

.note--primary {
  background: linear-gradient(135deg, var(--primary-bg) 0%, #dbeef5 100%);
  border-left-color: var(--primary-2);
  box-shadow: 0 4px 16px rgba(16, 104, 140, .09);
}

/* 数据高亮条 */
.stat-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.stat-box {
  background: linear-gradient(180deg, #ffffff 0%, #fafcfe 100%);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 20px; text-align: center; position: relative; overflow: hidden;
  transition: box-shadow .28s, transform .28s, border-color .28s;
}
.stat-box::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary-2), var(--primary-3));
}
.stat-box::after {
  content: ''; position: absolute; bottom: -60px; left: 50%; transform: translateX(-50%);
  width: 180px; height: 120px; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(16, 104, 140, .10) 0%, transparent 70%);
}
.stat-box:nth-child(2)::before { background: linear-gradient(90deg, var(--gold), var(--gold-soft)); }
.stat-box:nth-child(2)::after { background: radial-gradient(circle, rgba(184, 137, 74, .12) 0%, transparent 70%); }
.stat-box:nth-child(3)::before { background: linear-gradient(90deg, var(--c-green), var(--c-green-2)); }
.stat-box:nth-child(3)::after { background: radial-gradient(circle, rgba(47, 143, 106, .12) 0%, transparent 70%); }
.stat-box > * { position: relative; z-index: 1; }
.stat-box:hover { box-shadow: 0 14px 36px rgba(10, 31, 51, .12); transform: translateY(-5px); border-color: transparent; }
.stat-box b {
  display: block; font-size: 2.15rem; font-weight: 600; line-height: 1.2;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-3) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 6px; letter-spacing: .01em;
}
.stat-box:nth-child(2) b { background: linear-gradient(135deg, var(--gold) 0%, var(--gold-soft) 100%); -webkit-background-clip: text; background-clip: text; }
.stat-box:nth-child(3) b { background: linear-gradient(135deg, var(--c-green) 0%, var(--c-green-2) 100%); -webkit-background-clip: text; background-clip: text; }
.stat-box span { font-size: .88rem; color: var(--muted); }

/* ---------- 时间线 / 流程 ---------- */
.steps { counter-reset: step; display: grid; gap: 0; }
.step {
  display: grid; grid-template-columns: 46px 1fr; gap: 18px;
  padding-bottom: 26px; position: relative;
}
.step:not(:last-child)::before {
  content: ''; position: absolute; left: 22px; top: 40px; bottom: 0;
  width: 1px; background: var(--line);
}
.step__no {
  counter-increment: step; width: 46px; height: 46px; border-radius: 50%;
  background: linear-gradient(135deg, #fff 0%, #f4f9fc 100%);
  border: 2px solid var(--primary-3); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .92rem; position: relative; z-index: 1;
  box-shadow: 0 0 0 5px var(--primary-bg), 0 4px 12px rgba(16, 104, 140, .12);
}
.step__no::before { content: counter(step, decimal-leading-zero); }
.step h4 { margin: 9px 0 5px; font-size: 1rem; }
.step p { font-size: .9rem; color: var(--ink-3); margin: 0; line-height: 1.72; }

/* ---------- 表单 ---------- */
.form { display: grid; gap: 18px; }
.field { display: grid; gap: 7px; }
.field label { font-size: .88rem; font-weight: 500; color: var(--ink-2); }
.field label .req { color: var(--gold); margin-left: 2px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 15px; border: 1px solid var(--line-2); border-radius: var(--radius-sm);
  font-family: var(--font); font-size: .95rem; color: var(--ink); background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(184, 137, 74, .12);
}
.field textarea { resize: vertical; min-height: 128px; line-height: 1.75; }
.field__hint { font-size: .8rem; color: var(--muted); }
.field__err { font-size: .82rem; color: #c0392b; min-height: 0; }
.field--row { grid-template-columns: 1fr 1fr; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.msg {
  padding: 13px 18px; border-radius: var(--radius-sm); font-size: .9rem; line-height: 1.7;
  display: none;
}
.msg.is-show { display: block; }
.msg--ok { background: #edf7f0; border: 1px solid #c3e3ce; color: #22683b; }
.msg--err { background: #fdf1f0; border: 1px solid #f1ccca; color: #a33327; }
.msg--info { background: var(--bg-tint); border: 1px solid var(--line-2); color: var(--ink-3); }

/* ---------- 联系信息块 ---------- */
.info-list { display: grid; gap: 22px; }
.info-item { display: grid; grid-template-columns: 40px 1fr; gap: 16px; align-items: start; }
.info-item__icon {
  width: 40px; height: 40px; border-radius: 10px; background: var(--gold-bg);
  display: flex; align-items: center; justify-content: center; color: var(--gold); font-size: 1.1rem;
}
.info-item b { display: block; font-size: .93rem; color: var(--ink); margin-bottom: 3px; font-weight: 600; }
.info-item span { font-size: .9rem; color: var(--ink-3); line-height: 1.75; }

/* ---------- 页脚 ---------- */
.footer {
  background:
    linear-gradient(var(--grid-line-dark) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(90deg, var(--grid-line-dark) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(160deg, #08243a 0%, #0c2f45 55%, #0d3d55 100%);
  color: rgba(255, 255, 255, .68); padding: 64px 0 34px; font-size: .9rem;
  position: relative; overflow: hidden;
}
.footer::before {
  content: ''; position: absolute; top: -160px; right: -100px; width: 520px; height: 520px;
  border-radius: 50%; background: radial-gradient(circle, rgba(56, 178, 196, .2) 0%, transparent 70%);
}
.footer::after {
  content: ''; position: absolute; bottom: -200px; left: -120px; width: 480px; height: 480px;
  border-radius: 50%; background: radial-gradient(circle, rgba(184, 137, 74, .16) 0%, transparent 70%);
}
.footer .wrap { position: relative; z-index: 1; }
/* ---- 居中版式 ---- */
.footer__center { text-align: center; }
.footer__brand {
  display: inline-flex; align-items: center; gap: 13px; margin-bottom: 14px;
}
.footer__brand img {
  width: 46px; height: 46px; border-radius: 12px; object-fit: cover;
  box-shadow: 0 4px 16px rgba(0, 0, 0, .28);
}
.footer__brand b {
  color: #fff; font-size: 1.18rem; letter-spacing: .03em; font-weight: 600;
}
.footer__slogan {
  margin: 0 0 24px; font-size: .86rem; letter-spacing: .32em; text-indent: .32em;
  color: var(--gold-soft); font-weight: 500;
}
.footer__rule {
  width: 56px; height: 2px; margin: 26px auto 22px; border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.footer__addr {
  margin: 0 0 8px; line-height: 1.7; font-size: .92rem; color: rgba(255, 255, 255, .68);
}
.footer__copy {
  margin: 0; font-size: .82rem; color: rgba(255, 255, 255, .42); line-height: 1.8;
}

/* ---------- 弹窗 ---------- */
.modal {
  position: fixed; inset: 0; z-index: 200; display: none;
  align-items: center; justify-content: center; padding: 24px;
  background: rgba(13, 33, 55, .55); backdrop-filter: blur(3px);
}
.modal.is-open { display: flex; }
.modal__box {
  background: #fff; border-radius: var(--radius); width: 100%; max-width: 430px;
  max-height: 90vh; overflow-y: auto; padding: 34px 32px; box-shadow: var(--shadow-lg);
  position: relative; animation: pop .22s ease;
}
.modal__box--wide { max-width: 620px; }
.modal__box .member-head { margin-bottom: 20px; }
.modal__box--wide .form-row { grid-template-columns: 1fr 1fr; }
@keyframes pop { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }
.modal__close {
  position: absolute; top: 16px; right: 18px; background: none; border: 0;
  font-size: 1.5rem; line-height: 1; color: var(--muted); cursor: pointer; padding: 4px;
}
.modal__close:hover { color: var(--ink); }
.modal h3 { font-size: 1.3rem; margin-bottom: 6px; }
.modal__sub { font-size: .9rem; color: var(--muted); margin-bottom: 24px; }

.tabs { display: flex; gap: 4px; background: var(--bg-tint); padding: 4px; border-radius: 100px; margin-bottom: 24px; }
.tabs button {
  flex: 1; padding: 9px; border: 0; background: none; border-radius: 100px; cursor: pointer;
  font-family: var(--font); font-size: .9rem; color: var(--ink-3); transition: background .2s, color .2s;
}
.tabs button.is-active { background: #fff; color: var(--ink); font-weight: 500; box-shadow: var(--shadow-sm); }
.tabpane { display: none; }
.tabpane.is-active { display: block; }

.divider { display: flex; align-items: center; gap: 14px; margin: 22px 0; color: var(--muted); font-size: .82rem; }
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--line); }

.link-btn { background: none; border: 0; color: var(--gold); cursor: pointer; font-family: var(--font); font-size: .88rem; padding: 0; }
.link-btn:hover { text-decoration: underline; }
.form-foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: .87rem; color: var(--muted); margin-top: 4px; }

.code-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: start; }

/* ---------- 加载与空状态 ---------- */
.skeleton { background: linear-gradient(90deg, #eef2f7 25%, #f6f9fc 50%, #eef2f7 75%); background-size: 200% 100%; animation: sk 1.4s infinite; border-radius: var(--radius-sm); }
@keyframes sk { from { background-position: 200% 0; } to { background-position: -200% 0; } }
.sk-card { height: 178px; }
.empty { text-align: center; padding: 48px 20px; color: var(--muted); font-size: .93rem; }

/* ---------- 页头（内页） ---------- */
.pagehead {
  background: linear-gradient(135deg, #08243a 0%, #0c3450 45%, #10688c 100%);
  color: #fff; padding: 80px 0 74px; position: relative; overflow: hidden;
}
.pagehead::before {
  content: ''; position: absolute; inset: 0; opacity: .55; pointer-events: none;
  background-image: linear-gradient(var(--grid-line-dark) 1px, transparent 1px),
                    linear-gradient(90deg, var(--grid-line-dark) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  -webkit-mask-image: radial-gradient(ellipse 80% 100% at 20% 50%, #000 20%, transparent 80%);
  mask-image: radial-gradient(ellipse 80% 100% at 20% 50%, #000 20%, transparent 80%);
}
.pagehead::after {
  content: ''; position: absolute; top: -160px; right: -100px; width: 560px; height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 178, 196, .32) 0%, transparent 68%);
}
.pagehead .glow-gold {
  position: absolute; bottom: -220px; left: -120px; width: 460px; height: 460px;
  border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(184, 137, 74, .24) 0%, transparent 70%);
}
.pagehead .wrap { position: relative; z-index: 1; }
.pagehead h1 { color: #fff; font-size: 2.6rem; margin-bottom: 14px; }
.pagehead p { color: rgba(255, 255, 255, .82); font-size: 1.04rem; max-width: 640px; margin: 0; line-height: 1.85; }
.pagehead .head__eyebrow {
  color: var(--gold-soft); background: rgba(216, 181, 126, .14);
  border-color: rgba(216, 181, 126, .3);
}
.pagehead .head__eyebrow::before { background: var(--gold-soft); }
.crumb { font-size: .84rem; color: rgba(255, 255, 255, .62); margin-bottom: 18px; }
.crumb a { color: rgba(255, 255, 255, .62); }
.crumb a:hover { color: var(--gold-soft); }

/* ---------- 会员中心 ---------- */
.avatar-lg {
  width: 76px; height: 76px; border-radius: 50%; background: var(--ink-2); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 1.7rem; font-weight: 600;
  background-size: cover; background-position: center; flex-shrink: 0;
}
.member-head { display: flex; align-items: center; gap: 22px; padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 28px; }
.member-head b { display: block; font-size: 1.25rem; color: var(--ink); }
.member-head span { font-size: .9rem; color: var(--muted); }
.upload-zone {
  border: 1.5px dashed var(--line-2); border-radius: var(--radius-sm); padding: 20px;
  text-align: center; font-size: .88rem; color: var(--muted); cursor: pointer; transition: border-color .2s, background .2s;
}
.upload-zone:hover { border-color: var(--gold); background: var(--gold-bg); }
.upload-zone input { display: none; }

@media (max-width: 1024px) {
  .grid--4, .logos { grid-template-columns: repeat(2, 1fr); }
  .principles { grid-template-columns: repeat(2, 1fr); }
  h1 { font-size: 2.15rem; }
  .hero h1 { font-size: 2.5rem; }
}
@media (max-width: 860px) {
  .nav__links {
    display: none; position: absolute; top: 72px; left: 0; right: 0; background: #fff;
    flex-direction: column; gap: 0; padding: 8px 28px 20px; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .nav__links.is-open { display: flex; }
  .nav__links a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav__toggle { display: block; margin-left: 8px; }
  .grid--2, .grid--3, .split { grid-template-columns: 1fr; }
  .split { gap: 34px; }
  .album { grid-template-columns: repeat(2, 1fr); }
  .principles { grid-template-columns: repeat(2, 1fr); }
  .logos { grid-template-columns: repeat(3, 1fr); }
  .hero__stats { gap: 30px; }
  .section { padding: 58px 0; }
  .form-row, .field--row { grid-template-columns: 1fr; }
  .modal__box--wide .form-row { grid-template-columns: 1fr; }
  .modal__box { padding: 28px 22px; }
  .lightbox { padding: 48px 12px 64px; }
  .lightbox__nav { width: 40px; height: 40px; font-size: 1.15rem; }
  .lightbox__nav--prev { left: 8px; }
  .lightbox__nav--next { right: 8px; }
  .lightbox__count { left: 14px; top: 14px; }
  .lightbox__close { right: 14px; top: 12px; width: 38px; height: 38px; }
  .lightbox__cap { bottom: 16px; font-size: .82rem; }
  .hero { padding: 76px 0 68px; }
  h1 { font-size: 1.95rem; }
  .hero h1 { font-size: 2.1rem; }
}
@media (max-width: 560px) {
  .wrap, .nav__inner { padding: 0 18px; }
  .logos { grid-template-columns: repeat(2, 1fr); }
  .grid--4, .principles { grid-template-columns: 1fr; }
  .album { grid-template-columns: 1fr; }
  .hero__stat b { font-size: 1.6rem; }
  .hero__stats { gap: 18px 26px; flex-wrap: wrap; }
  .hero h1 { font-size: 1.7rem; }
  .hero__quote, .hero__lead { font-size: .92rem; }
  .section { padding: 46px 0; }
  .section__head h2, h2 { font-size: 1.45rem; }
  .scene__head h3 { font-size: 1.05rem; }
  .card { padding: 22px 18px 20px; }
  .card p { font-size: .88rem; }
  .footer__slogan { letter-spacing: .18em; font-size: .78rem; }
}