/* ============================================================================
   益达娱乐 YIDA · 夜市霓虹食集 样式系统
   ----------------------------------------------------------------------------
   结构约定（与既有站点不同：单文件 + 工具类优先 + :where() 低优先级）
     00 复位      01 设计变量    02 基础排版    03 工具类
     04 组件块    05 页面视图    06 动效与适配
   ----------------------------------------------------------------------------
   命名：组件用 .yi-*，工具类用 .u-*，页面级修饰用 .v-*
   ========================================================================== */

/* 00 复位 ================================================================== */
*,
*::before,
*::after { box-sizing: border-box; }

:where(h1, h2, h3, h4, p, figure, blockquote, dl, dd, ul, ol) { margin: 0; }
:where(ul, ol) { padding: 0; list-style: none; }
:where(img, svg) { display: block; max-width: 100%; }
:where(a) { color: inherit; text-decoration: none; }
:where(button, input, textarea, select) { font: inherit; color: inherit; }
:where(button) { background: none; border: 0; padding: 0; cursor: pointer; }
:where(table) { border-collapse: collapse; width: 100%; }

/* 01 设计变量 ============================================================== */
:root {
  /* 夜色底层 */
  --void: #09080e;
  --ink: #131019;
  --ink-2: #1a1624;
  --line: #2b2439;
  --line-soft: #221d2e;

  /* 文字 */
  --text: #f3eee6;
  --text-2: #cdc5d2;
  --dim: #9a92a6;

  /* 灯箱三色 */
  --flame: #ff5c35;
  --glow: #ffc857;
  --neon: #5fe3c0;

  /* 透明层 */
  --flame-12: rgba(255, 92, 53, .12);
  --flame-28: rgba(255, 92, 53, .28);
  --glow-14: rgba(255, 200, 87, .14);
  --neon-12: rgba(95, 227, 192, .12);

  /* 字体：数字与英文走压缩体，中文走系统黑体 */
  --ff: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --ff-num: "Bahnschrift", "DIN Alternate", "Arial Narrow", Consolas, monospace;

  /* 尺度 */
  --wrap: 1180px;
  --r-sm: 8px;
  --r: 14px;
  --r-lg: 22px;
  --sp: 4px;

  /* 灯效 */
  --lamp: 0 0 6px rgba(255, 200, 87, .5), 0 0 26px rgba(255, 92, 53, .28);
  --lamp-flame: 0 10px 28px rgba(255, 92, 53, .22);
}

/* 02 基础排版 ============================================================== */
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--ff);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--void);
  background-image:
    radial-gradient(1100px 620px at 8% -12%, rgba(255, 92, 53, .17), transparent 62%),
    radial-gradient(820px 520px at 96% -6%, rgba(95, 227, 192, .10), transparent 58%),
    radial-gradient(760px 620px at 50% 112%, rgba(255, 200, 87, .07), transparent 60%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

/* 全站细网格底纹，模拟夜市蓬布与灯串 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .35;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, .028) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, .02) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
}

body > * { position: relative; z-index: 1; }

h1, h2, h3, h4 {
  font-family: var(--ff);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--text);
}

h1 { font-size: clamp(2.3rem, 5.1vw, 4rem); letter-spacing: -.03em; line-height: 1.06; }
h2 { font-size: clamp(1.55rem, 2.9vw, 2.3rem); }
h3 { font-size: 1.14rem; }
h4 { font-size: 1rem; }

p { color: var(--text-2); }
strong, b { color: var(--text); font-weight: 700; }

::selection { background: var(--flame); color: #fff; }

:where(a, button, input, textarea, select):focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 3px;
  border-radius: 4px;
}

/* 03 工具类 ================================================================ */
.u-wrap {
  width: min(100% - 36px, var(--wrap));
  margin-inline: auto;
}

.u-grid { display: grid; gap: 18px; }
.u-g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.u-g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.u-g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.u-flex { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.u-between { justify-content: space-between; }
.u-center { justify-content: center; }

.u-mt-1 { margin-top: 6px; }
.u-mt-2 { margin-top: 12px; }
.u-mt-3 { margin-top: 18px; }
.u-mt-4 { margin-top: 26px; }
.u-mt-5 { margin-top: 40px; }
.u-mb-3 { margin-bottom: 18px; }
.u-mb-4 { margin-bottom: 28px; }

.u-num {
  font-family: var(--ff-num);
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
  font-weight: 700;
}

.u-dim { color: var(--dim); }
.u-small { font-size: .84rem; line-height: 1.7; }
.u-flame { color: var(--flame); }
.u-glow { color: var(--glow); }
.u-neon { color: var(--neon); }

.u-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.u-skip {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 99;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--glow);
  color: #16121c;
  font-weight: 700;
  transition: top .18s ease;
}
.u-skip:focus { top: 12px; }

/* 04 组件块 ================================================================ */

/* --- 顶栏：夜市门头 --- */
.yi-top {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(9, 8, 14, .82);
  backdrop-filter: blur(14px) saturate(130%);
  border-bottom: 1px solid var(--line-soft);
}

.yi-top__bar {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 74px;
}

.yi-brand { display: inline-flex; align-items: center; gap: 11px; }

.yi-brand__mark {
  width: 42px;
  height: 42px;
  flex: none;
  border-radius: 12px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12), 0 6px 18px rgba(255, 92, 53, .25);
}

.yi-brand__name {
  display: block;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--text);
  text-shadow: var(--lamp);
}

.yi-brand__en {
  display: block;
  font-family: var(--ff-num);
  font-size: .62rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--glow);
}

.yi-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.yi-nav a {
  position: relative;
  padding: 8px 11px;
  border-radius: 8px;
  font-size: .92rem;
  color: var(--text-2);
  white-space: nowrap;
  transition: color .16s ease, background .16s ease;
}

.yi-nav a:hover { color: var(--text); background: rgba(255, 255, 255, .05); }

.yi-nav a[aria-current="page"] { color: var(--glow); }

.yi-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 1px;
  width: 16px;
  height: 2px;
  transform: translateX(-50%);
  border-radius: 2px;
  background: var(--flame);
  box-shadow: 0 0 10px var(--flame);
}

.yi-top__act { display: flex; align-items: center; gap: 8px; }

.yi-burger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-direction: column;
}
.yi-burger span {
  display: block;
  width: 17px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform .2s ease, opacity .2s ease;
}
body.is-nav-open .yi-burger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
body.is-nav-open .yi-burger span:nth-child(2) { opacity: 0; }
body.is-nav-open .yi-burger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* --- 按钮 --- */
.yi-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .03);
  color: var(--text);
  font-size: .94rem;
  font-weight: 600;
  transition: transform .16s ease, border-color .16s ease, background .16s ease, box-shadow .16s ease;
}
.yi-btn:hover { transform: translateY(-2px); border-color: var(--glow); }

.yi-btn--hot {
  border-color: transparent;
  background: linear-gradient(135deg, #ff7040, #f0442a);
  color: #fff;
  box-shadow: var(--lamp-flame);
}
.yi-btn--hot:hover { box-shadow: 0 14px 34px rgba(255, 92, 53, .34); }

.yi-btn--line { border-color: rgba(255, 200, 87, .4); color: var(--glow); }
.yi-btn--sm { min-height: 38px; padding: 0 16px; font-size: .86rem; }
.yi-btn--block { width: 100%; }

/* --- 营业状态灯 --- */
.yi-open {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 13px 5px 10px;
  border-radius: 999px;
  border: 1px solid rgba(95, 227, 192, .3);
  background: var(--neon-12);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--neon);
}
.yi-open i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 10px var(--neon);
  animation: yi-blink 2.2s ease-in-out infinite;
}
.yi-open[data-state="closed"] {
  border-color: rgba(154, 146, 166, .3);
  background: rgba(154, 146, 166, .1);
  color: var(--dim);
}
.yi-open[data-state="closed"] i { background: var(--dim); box-shadow: none; animation: none; }
.yi-open[data-state="soon"] {
  border-color: rgba(255, 200, 87, .34);
  background: var(--glow-14);
  color: var(--glow);
}
.yi-open[data-state="soon"] i { background: var(--glow); box-shadow: 0 0 10px var(--glow); }

/* --- 区块 --- */
.yi-sec { padding: 78px 0; }
.yi-sec--tight { padding: 46px 0; }
.yi-sec--edge { border-top: 1px solid var(--line-soft); }

.yi-head { max-width: 720px; margin-bottom: 34px; }
.yi-head--center { margin-inline: auto; text-align: center; }

.yi-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 14px;
  font-family: var(--ff-num);
  font-size: .74rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--glow);
}
.yi-kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: linear-gradient(90deg, var(--flame), transparent);
}

.yi-head h2 { margin-bottom: 12px; }
.yi-head p { font-size: .98rem; }

/* --- 首屏 --- */
.yi-hero { padding: 64px 0 56px; }

.yi-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  gap: 46px;
  align-items: start;
}

.yi-hero__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  font-size: .8rem;
  color: var(--dim);
}

.yi-hero h1 { margin-bottom: 20px; }

.yi-hero h1 em {
  font-style: normal;
  background: linear-gradient(180deg, #ffe7a8 10%, #ffc857 45%, #ff7a3f 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 34px rgba(255, 140, 60, .35);
}

.yi-hero__lead {
  max-width: 620px;
  font-size: 1.03rem;
  color: var(--text-2);
}

.yi-hero__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

.yi-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 38px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--line-soft);
}
.yi-stat { padding: 16px 16px 14px; background: rgba(19, 16, 25, .92); }
.yi-stat b {
  display: block;
  font-family: var(--ff-num);
  font-size: 1.62rem;
  line-height: 1.15;
  color: var(--glow);
}
.yi-stat b small { font-size: .72rem; margin-left: 3px; color: var(--dim); font-weight: 500; }
.yi-stat span { display: block; margin-top: 2px; font-size: .76rem; color: var(--dim); }

/* --- 灯箱：今晚档口 --- */
.yi-lamp {
  position: relative;
  padding: 22px;
  border: 1px solid rgba(255, 200, 87, .22);
  border-radius: var(--r-lg);
  background:
    radial-gradient(80% 60% at 50% 0%, rgba(255, 200, 87, .16), transparent 70%),
    linear-gradient(180deg, #17121f, #0c0a12);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .45), inset 0 0 0 1px rgba(255, 255, 255, .03);
  overflow: hidden;
}

.yi-lamp::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle at center, rgba(255, 200, 87, .13) 1px, transparent 1.3px);
  background-size: 7px 7px;
  opacity: .55;
}

.yi-lamp__top {
  position: relative;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(255, 200, 87, .22);
}
.yi-lamp__top h2 { font-size: 1.02rem; letter-spacing: .08em; }
.yi-lamp__top span { font-family: var(--ff-num); font-size: .72rem; letter-spacing: .16em; color: var(--dim); }

.yi-lamp__list { position: relative; }
.yi-lamp__row {
  display: grid;
  grid-template-columns: 66px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.yi-lamp__row:last-child { border-bottom: 0; }
.yi-lamp__row time {
  font-family: var(--ff-num);
  font-size: 1.02rem;
  color: var(--glow);
  letter-spacing: .04em;
}
.yi-lamp__row strong { display: block; font-size: .93rem; font-weight: 600; }
.yi-lamp__row span { font-size: .78rem; color: var(--dim); }

.yi-lamp__foot {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed rgba(255, 200, 87, .22);
  font-size: .78rem;
  color: var(--dim);
}
.yi-lamp__foot b { font-family: var(--ff-num); color: var(--text); letter-spacing: .04em; }

.yi-count {
  display: inline-flex;
  gap: 6px;
  font-family: var(--ff-num);
  color: var(--text);
}
.yi-count span {
  min-width: 30px;
  padding: 2px 5px;
  border-radius: 6px;
  background: rgba(255, 255, 255, .06);
  text-align: center;
  color: var(--glow);
}

/* --- 卡片：档口 --- */
.yi-stall {
  position: relative;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(180deg, rgba(26, 22, 36, .9), rgba(15, 13, 22, .9));
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.yi-stall:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 92, 53, .45);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .42);
}
.yi-stall__no {
  display: inline-block;
  margin-bottom: 12px;
  font-family: var(--ff-num);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--flame);
}
.yi-stall h3 { margin-bottom: 8px; }
.yi-stall p { font-size: .9rem; }
.yi-stall__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}
.yi-stall__meta span {
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .72rem;
  color: var(--dim);
}

/* --- 标签 --- */
.yi-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border: 1px solid rgba(255, 92, 53, .35);
  border-radius: 999px;
  font-size: .74rem;
  color: #ffb59c;
  background: var(--flame-12);
}
.yi-tag--glow { border-color: rgba(255, 200, 87, .38); color: var(--glow); background: var(--glow-14); }
.yi-tag--neon { border-color: rgba(95, 227, 192, .34); color: var(--neon); background: var(--neon-12); }

/* --- 锅气热力条 --- */
.yi-heat { display: grid; gap: 18px; }
.yi-heat__row { display: grid; gap: 8px; }
.yi-heat__top { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; font-size: .86rem; }
.yi-heat__top b { font-family: var(--ff-num); font-size: 1.02rem; color: var(--glow); }
.yi-heat__track {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .07);
  overflow: hidden;
}
.yi-heat__fill {
  display: block;
  width: var(--v, 50%);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #7d2a12, #ff5c35 55%, #ffc857);
  box-shadow: 0 0 14px rgba(255, 92, 53, .45);
  transform-origin: left;
  animation: yi-grow 1.1s cubic-bezier(.2, .8, .2, 1) both;
}

/* --- 面板 --- */
.yi-panel {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(19, 16, 25, .82);
}
.yi-panel--dash { border-style: dashed; background: rgba(19, 16, 25, .5); }
.yi-panel h3 { margin-bottom: 10px; }

/* --- 流程 --- */
.yi-flow { display: grid; gap: 1px; border-radius: var(--r); overflow: hidden; background: var(--line-soft); }
.yi-flow li {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 16px;
  align-items: start;
  padding: 20px 22px;
  background: rgba(16, 13, 22, .94);
}
.yi-flow li b {
  font-family: var(--ff-num);
  font-size: 1.4rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 200, 87, .7);
}
.yi-flow h3 { margin-bottom: 4px; font-size: 1rem; }
.yi-flow p { font-size: .88rem; }

/* --- 表格 --- */
.yi-tblwrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); }
.yi-tbl { min-width: 620px; font-size: .88rem; }
.yi-tbl th,
.yi-tbl td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.yi-tbl thead th {
  background: rgba(255, 255, 255, .04);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--glow);
  font-weight: 600;
}
.yi-tbl tbody tr:last-child td { border-bottom: 0; }
.yi-tbl td { color: var(--text-2); }
.yi-tbl td:first-child { color: var(--text); font-weight: 600; }

/* --- 清单 --- */
.yi-checks { display: grid; gap: 10px; }
.yi-checks li {
  position: relative;
  padding-left: 26px;
  font-size: .9rem;
  color: var(--text-2);
}
.yi-checks li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: .55em;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--glow), var(--flame));
  box-shadow: 0 0 8px rgba(255, 92, 53, .5);
}

/* --- 折叠问答 --- */
.yi-faq { display: grid; gap: 10px; }
.yi-faq details {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(19, 16, 25, .7);
  overflow: hidden;
}
.yi-faq details[open] { border-color: rgba(255, 200, 87, .3); }
.yi-faq summary {
  position: relative;
  padding: 16px 52px 16px 20px;
  font-weight: 600;
  font-size: .94rem;
  cursor: pointer;
  list-style: none;
}
.yi-faq summary::-webkit-details-marker { display: none; }
.yi-faq summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--ff-num);
  font-size: 1.2rem;
  color: var(--glow);
  transition: transform .2s ease;
}
.yi-faq details[open] summary::after { content: "−"; }
.yi-faq p { padding: 0 20px 18px; font-size: .89rem; }

/* --- 人物卡 --- */
.yi-person {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(160deg, rgba(255, 92, 53, .08), rgba(19, 16, 25, .9) 42%);
}
.yi-person__avatar {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 14px;
  border-radius: 14px;
  font-family: var(--ff-num);
  font-size: 1.1rem;
  color: #1a1116;
  background: linear-gradient(140deg, #ffd479, #ff7a3f);
  box-shadow: 0 8px 20px rgba(255, 92, 53, .25);
}
.yi-person h3 { font-size: 1.02rem; }
.yi-person__role { display: block; margin: 2px 0 10px; font-size: .76rem; color: var(--glow); letter-spacing: .06em; }
.yi-person p { font-size: .86rem; }

/* --- 数据卡 --- */
.yi-metric {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(19, 16, 25, .78);
}
.yi-metric b {
  display: block;
  font-family: var(--ff-num);
  font-size: 1.9rem;
  line-height: 1.1;
  color: var(--text);
}
.yi-metric b small { font-size: .8rem; color: var(--dim); margin-left: 3px; font-weight: 500; }
.yi-metric span { display: block; margin-top: 6px; font-size: .82rem; color: var(--dim); }

/* --- 引文 --- */
.yi-quote {
  padding: 26px;
  border-left: 2px solid var(--flame);
  background: linear-gradient(90deg, var(--flame-12), transparent 70%);
  border-radius: 0 var(--r) var(--r) 0;
}
.yi-quote p { font-size: 1.02rem; color: var(--text); }
.yi-quote cite { display: block; margin-top: 12px; font-style: normal; font-size: .8rem; color: var(--dim); }

/* --- 内页头 --- */
.yi-phead { padding: 58px 0 34px; border-bottom: 1px solid var(--line-soft); }
.yi-phead h1 { max-width: 820px; font-size: clamp(1.9rem, 4vw, 3rem); }
.yi-phead p { max-width: 720px; margin-top: 14px; }

.yi-crumb {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 18px;
  font-size: .76rem;
  color: var(--dim);
}
.yi-crumb a:hover { color: var(--glow); }
.yi-crumb span { opacity: .5; }

/* --- 霓虹招牌 --- */
.yi-sign {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border: 1px solid rgba(255, 200, 87, .4);
  border-radius: 10px;
  font-family: var(--ff-num);
  font-size: .76rem;
  letter-spacing: .2em;
  color: var(--glow);
  text-shadow: var(--lamp);
  box-shadow: inset 0 0 18px rgba(255, 200, 87, .1), 0 0 22px rgba(255, 92, 53, .12);
}

/* --- 表单 --- */
.yi-form { display: grid; gap: 14px; }
.yi-field { display: grid; gap: 6px; }
.yi-field label { font-size: .8rem; color: var(--dim); letter-spacing: .04em; }
.yi-field input,
.yi-field select,
.yi-field textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(9, 8, 14, .75);
  font-size: .9rem;
  transition: border-color .16s ease;
}
.yi-field input:focus,
.yi-field select:focus,
.yi-field textarea:focus { border-color: var(--glow); outline: none; }
.yi-field textarea { min-height: 96px; resize: vertical; }
.yi-form__note { font-size: .78rem; color: var(--dim); }
.yi-form__out {
  display: none;
  padding: 12px 14px;
  border: 1px dashed rgba(95, 227, 192, .4);
  border-radius: 10px;
  font-size: .82rem;
  color: var(--neon);
  background: var(--neon-12);
}
.yi-form__out.is-on { display: block; }

/* --- 结语 CTA --- */
.yi-cta {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  flex-wrap: wrap;
  padding: 38px;
  border: 1px solid rgba(255, 200, 87, .24);
  border-radius: var(--r-lg);
  background:
    radial-gradient(70% 120% at 100% 0%, rgba(255, 92, 53, .18), transparent 60%),
    linear-gradient(120deg, #1a1424, #0d0b13);
  overflow: hidden;
}
.yi-cta h2 { font-size: clamp(1.4rem, 2.6vw, 2rem); margin-bottom: 8px; }
.yi-cta p { max-width: 560px; font-size: .92rem; }

/* --- 合规提示 --- */
.yi-note {
  padding: 24px 26px;
  border: 1px dashed var(--line);
  border-radius: var(--r);
  background: rgba(19, 16, 25, .55);
}
.yi-note h3 { font-size: .96rem; margin-bottom: 8px; color: var(--glow); }
.yi-note p { font-size: .85rem; color: var(--dim); }

/* --- 页脚 --- */
.yi-foot {
  margin-top: 40px;
  padding: 56px 0 30px;
  border-top: 1px solid var(--line-soft);
  background: rgba(7, 6, 11, .7);
}
.yi-foot__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 30px;
}
.yi-foot__desc { max-width: 340px; margin-top: 14px; font-size: .84rem; color: var(--dim); }
.yi-foot__col h3 {
  margin-bottom: 12px;
  font-family: var(--ff-num);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--glow);
}
.yi-foot__col a {
  display: block;
  padding: 4px 0;
  font-size: .86rem;
  color: var(--text-2);
}
.yi-foot__col a:hover { color: var(--glow); }
.yi-foot__legal {
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
}
.yi-foot__legal p { font-size: .78rem; line-height: 1.8; color: var(--dim); }
.yi-foot__meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
  font-size: .76rem;
  color: var(--dim);
}

/* 05 页面视图 ============================================================== */

/* 直播矩阵 */
.v-matrix {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}

/* 档口筛选 */
.v-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 26px; }
.v-filter button {
  padding: 7px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .82rem;
  color: var(--text-2);
  transition: all .16s ease;
}
.v-filter button:hover { border-color: var(--glow); color: var(--glow); }
.v-filter button[aria-pressed="true"] {
  border-color: transparent;
  background: linear-gradient(135deg, #ff7040, #ef4227);
  color: #fff;
}
.v-stall[hidden] { display: none; }

/* 双栏 */
.v-split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 40px;
  align-items: start;
}

/* 文章正文 */
.v-prose { max-width: 760px; }
.v-prose h2 { margin: 34px 0 12px; font-size: 1.4rem; }
.v-prose h3 { margin: 24px 0 8px; font-size: 1.08rem; color: var(--glow); }
.v-prose p { margin-bottom: 14px; font-size: .96rem; }
.v-prose ul { display: grid; gap: 8px; margin: 0 0 18px; }
.v-prose ul li { position: relative; padding-left: 20px; font-size: .94rem; color: var(--text-2); }
.v-prose ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--flame);
}
.v-prose ol { display: grid; gap: 8px; margin: 0 0 18px; counter-reset: p; }
.v-prose ol li { position: relative; padding-left: 24px; font-size: .94rem; color: var(--text-2); counter-increment: p; }
.v-prose ol li::before {
  content: counter(p);
  position: absolute;
  left: 0;
  top: .2em;
  font-family: var(--ff-num);
  font-size: .8rem;
  color: var(--glow);
}
.v-prose blockquote {
  margin: 22px 0;
  padding: 18px 22px;
  border-left: 2px solid var(--glow);
  background: rgba(255, 200, 87, .06);
  border-radius: 0 var(--r) var(--r) 0;
  font-size: .94rem;
  color: var(--text);
}
.v-prose .v-table { margin: 8px 0 22px; }

/* 文章头信息 */
.v-artmeta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  font-size: .78rem;
  color: var(--dim);
}
.v-artmeta b { color: var(--glow); font-weight: 600; }

/* 动态列表 */
.v-news { display: grid; gap: 14px; }
.v-news__item {
  display: grid;
  grid-template-columns: 88px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(19, 16, 25, .7);
  transition: border-color .18s ease, transform .18s ease;
}
.v-news__item:hover { border-color: rgba(255, 200, 87, .35); transform: translateX(4px); }
.v-news__date { font-family: var(--ff-num); font-size: .78rem; color: var(--dim); letter-spacing: .05em; }
.v-news__item h3 { font-size: 1rem; margin-bottom: 4px; }
.v-news__item p { font-size: .84rem; }
.v-news__more { font-size: .8rem; color: var(--glow); }

/* 登录端卡 */
.v-portal { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.v-portal .yi-panel { display: flex; flex-direction: column; gap: 12px; }
.v-portal .yi-panel h3 { margin: 0; }
.v-portal .yi-btn { margin-top: auto; }

/* 404 */
.v-404 {
  display: grid;
  place-items: center;
  min-height: 68vh;
  padding: 70px 0;
  text-align: center;
}
.v-404__code {
  font-family: var(--ff-num);
  font-size: clamp(5rem, 18vw, 11rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px rgba(255, 200, 87, .55);
  text-shadow: 0 0 60px rgba(255, 92, 53, .35);
}
.v-404 h1 { margin: 18px 0 12px; font-size: clamp(1.4rem, 3vw, 2rem); }
.v-404 p { max-width: 520px; margin-inline: auto; }

/* 06 动效与适配 ============================================================ */
@keyframes yi-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

@keyframes yi-grow {
  from { transform: scaleX(.15); opacity: .3; }
  to { transform: scaleX(1); opacity: 1; }
}

.yi-fade { transition: opacity .6s ease, transform .6s ease; }
html.js-motion .yi-fade { opacity: 0; transform: translateY(16px); }
html.js-motion .yi-fade.is-in { opacity: 1; transform: none; }

@media (max-width: 1060px) {
  .yi-hero__grid { grid-template-columns: 1fr; gap: 36px; }
  .yi-foot__grid { grid-template-columns: 1fr 1fr; }
  .v-split { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 900px) {
  .yi-nav {
    position: fixed;
    inset: 74px 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 14px 18px 22px;
    background: rgba(9, 8, 14, .98);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px rgba(0, 0, 0, .5);
  }
  body.is-nav-open .yi-nav { display: flex; }
  .yi-nav a { padding: 12px 10px; font-size: 1rem; }
  .yi-nav a[aria-current="page"]::after { left: 10px; transform: none; }
  .yi-burger { display: flex; }
  .yi-top__act .yi-btn--line { display: none; }
  .yi-top__act { margin-left: auto; }
  .yi-nav { margin-left: 0; }
  .yi-sec { padding: 58px 0; }
  .u-g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .u-g3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .v-portal { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .u-g2, .u-g3, .u-g4 { grid-template-columns: 1fr; }
  .yi-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .yi-foot__grid { grid-template-columns: 1fr; gap: 24px; }
  .yi-flow li { grid-template-columns: 42px 1fr; padding: 18px; }
  .yi-cta { padding: 26px; }
  .v-news__item { grid-template-columns: 1fr; gap: 6px; }
  .yi-lamp__row { grid-template-columns: 58px 1fr; }
  .yi-lamp__row > .yi-tag { grid-column: 2; justify-self: start; }
  .yi-phead { padding: 40px 0 26px; }
  .yi-hero { padding: 40px 0 34px; }
  .yi-brand__en { letter-spacing: .18em; }
}

@media (max-width: 460px) {
  .yi-top__act .yi-btn--sm { display: none; }
  .yi-stats { grid-template-columns: 1fr 1fr; }
  .yi-stat { padding: 12px; }
  .yi-stat b { font-size: 1.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  html.js-motion .yi-fade { opacity: 1; transform: none; }
}

@media print {
  body { background: #fff; color: #111; }
  .yi-top, .yi-foot, .yi-cta, .u-skip { display: none; }
  body::before { display: none; }
}