/* ==========================================================================
   Tao Insights — Design System
   策略择时 · 设计系统
   Palette: 玄黑 Ink · 宣纸 Paper · 鎏金 Gold · 朱砂 Cinnabar · 五行 Five Elements
   Decoration: 太极 Taiji · 八卦 Bagua（粗描边体系 —— 见文末第 30–31 节）
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* Ink (dark surfaces) */
  --ink-900: #07090d;
  --ink-800: #0b0e14;
  --ink-700: #11161f;
  --ink-600: #171d28;
  --ink-500: #1e2531;
  --ink-400: #2a3342;

  /* Paper (light surfaces) */
  --paper-100: #fbf8f1;
  --paper-200: #f6f1e6;
  --paper-300: #ede5d4;
  --paper-400: #ded3bd;

  /* Gold */
  --gold-300: #f0dda0;
  --gold-400: #e2c472;
  --gold-500: #c9a227;
  --gold-600: #a4821c;
  --gold-700: #7a5f13;

  /* Cinnabar 朱砂 */
  --cinnabar-400: #d4574c;
  --cinnabar-500: #b8342b;
  --cinnabar-600: #93251e;

  /* Five Elements 五行 */
  --wood: #2f7a62;
  --fire: #b8342b;
  --earth: #c9a227;
  --metal: #8d99a8;
  --water: #2b4a6f;

  /* Text */
  --text-on-dark: #ece7db;
  --text-on-dark-muted: #9aa0a8;
  --text-on-light: #1a1f28;
  --text-on-light-muted: #6b6459;

  /* Type */
  --font-serif: "Cormorant Garamond", "Noto Serif SC", "Source Han Serif SC",
    "Songti SC", "STSong", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC",
    sans-serif;
  --font-mono: "SFMono-Regular", "JetBrains Mono", Consolas, monospace;

  /* Space & shape */
  --wrap: 1240px;
  --wrap-narrow: 820px;
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 14px;
  --r-xl: 22px;

  --shadow-sm: 0 1px 2px rgba(7, 9, 13, 0.28);
  --shadow-md: 0 10px 30px -12px rgba(7, 9, 13, 0.55);
  --shadow-lg: 0 26px 60px -24px rgba(7, 9, 13, 0.7);
  --glow-gold: 0 0 0 1px rgba(201, 162, 39, 0.35), 0 0 34px -8px rgba(201, 162, 39, 0.45);

  /* 龙虎徽章呼应色：冰蓝龙 / 琥珀虎（仅用于太极与点睛，不参与主色体系） */
  --dragon-400: #7fb3e3;
  --tiger-400: #e39a3f;

  /* 统一描边：全站以粗线条取代原先的 1px 细线 */
  --line: 2px;
  --line-bold: 3px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --nav-h: 74px;
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 20px);
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.72;
  color: var(--text-on-dark);
  background: var(--ink-900);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

body.is-locked { overflow: hidden; }

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }

a { color: inherit; text-decoration: none; }

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; padding: 0; }

h1, h2, h3, h4, h5 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: -0.015em;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0; padding: 0; list-style: none; }

hr {
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 162, 39, 0.4), transparent);
  margin: 0;
}

::selection { background: rgba(201, 162, 39, 0.3); color: #fff; }

:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ink-800); }
::-webkit-scrollbar-thumb { background: #2e3745; border-radius: 10px; border: 2px solid var(--ink-800); }
::-webkit-scrollbar-thumb:hover { background: var(--gold-700); }

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

.skip-link {
  position: absolute; top: -100px; left: 16px; z-index: 999;
  background: var(--gold-500); color: var(--ink-900);
  padding: 10px 18px; border-radius: var(--r-sm); font-weight: 600;
  transition: top 0.25s var(--ease);
}
.skip-link:focus { top: 16px; }

/* ---------- 3. Layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 40px);
}
.wrap--narrow { max-width: var(--wrap-narrow); }
.wrap--wide { max-width: 1460px; }

.section {
  position: relative;
  padding-block: clamp(72px, 10vw, 132px);
}
.section--tight { padding-block: clamp(52px, 6vw, 84px); }
.section--dark { background: var(--ink-900); color: var(--text-on-dark); }
.section--dark-alt { background: var(--ink-800); color: var(--text-on-dark); }
.section--paper { background: var(--paper-200); color: var(--text-on-light); }
.section--paper-alt { background: var(--paper-100); color: var(--text-on-light); }

.grid { display: grid; gap: clamp(18px, 2.4vw, 30px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.stack-sm > * + * { margin-top: 10px; }
.stack > * + * { margin-top: 18px; }
.stack-lg > * + * { margin-top: 30px; }

.center { text-align: center; }
.mx-auto { margin-inline: auto; }

/* ---------- 4. Typography ---------- */
.display {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6.4vw, 5.1rem);
  line-height: 1.02;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.h1 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); }
.h2 { font-size: clamp(1.8rem, 3.4vw, 2.75rem); }
.h3 { font-size: clamp(1.3rem, 2.1vw, 1.7rem); }
.h4 { font-size: clamp(1.08rem, 1.5vw, 1.24rem); }

.gold-text {
  background: linear-gradient(102deg, var(--gold-700) 0%, var(--gold-400) 28%, var(--gold-300) 48%, var(--gold-400) 68%, var(--gold-600) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin-bottom: 18px;
}
.section--paper .eyebrow,
.section--paper-alt .eyebrow { color: var(--gold-700); }

.eyebrow::before {
  content: "";
  width: 17px; height: 17px;
  flex: none;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='46' fill='none' stroke='%23c9a227' stroke-width='9'/%3E%3Cpath d='M50 4a46 46 0 0 1 0 92 23 23 0 0 0 0-46 23 23 0 0 1 0-46z' fill='%23c9a227'/%3E%3Ccircle cx='50' cy='27' r='7.5' fill='%2307090d'/%3E%3Ccircle cx='50' cy='73' r='7.5' fill='%23c9a227'/%3E%3C/svg%3E") center / contain no-repeat;
  opacity: 0.85;
}
.section--paper .eyebrow::before,
.section--paper-alt .eyebrow::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='46' fill='none' stroke='%237a5f13' stroke-width='9'/%3E%3Cpath d='M50 4a46 46 0 0 1 0 92 23 23 0 0 0 0-46 23 23 0 0 1 0-46z' fill='%237a5f13'/%3E%3Ccircle cx='50' cy='27' r='7.5' fill='%23fbf8f1'/%3E%3Ccircle cx='50' cy='73' r='7.5' fill='%237a5f13'/%3E%3C/svg%3E");
}

.lede {
  font-size: clamp(1.02rem, 1.35vw, 1.16rem);
  line-height: 1.85;
  color: var(--text-on-dark-muted);
  max-width: 62ch;
}
.section--paper .lede,
.section--paper-alt .lede { color: var(--text-on-light-muted); }

.muted { color: var(--text-on-dark-muted); }
.section--paper .muted, .section--paper-alt .muted { color: var(--text-on-light-muted); }

.serif { font-family: var(--font-serif); }
.mono {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

/* ---------- 5. Buttons ---------- */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--gold-400);
  --btn-bd: rgba(201, 162, 39, 0.5);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 2px solid var(--btn-bd);
  border-radius: 2px;
  overflow: hidden;
  transition: color 0.4s var(--ease), border-color 0.4s var(--ease), transform 0.3s var(--ease), box-shadow 0.4s var(--ease);
  white-space: nowrap;
}
.btn::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(120deg, var(--gold-600), var(--gold-400));
  transform: translateY(101%);
  transition: transform 0.45s var(--ease);
  z-index: 0;
}
.btn > * { position: relative; z-index: 1; }
.btn:hover { color: var(--ink-900); border-color: var(--gold-400); transform: translateY(-2px); box-shadow: 0 12px 26px -14px rgba(201, 162, 39, 0.7); }
.btn:hover::after { transform: translateY(0); }
.btn:active { transform: translateY(0); }

.btn--solid { --btn-bg: linear-gradient(120deg, var(--gold-600), var(--gold-400)); --btn-fg: var(--ink-900); --btn-bd: transparent; }
.btn--solid::after { background: linear-gradient(120deg, var(--gold-400), var(--gold-300)); }
.btn--solid:hover { color: var(--ink-900); }

.btn--ghost { --btn-bd: rgba(236, 231, 219, 0.26); --btn-fg: var(--text-on-dark); }
.section--paper .btn--ghost, .section--paper-alt .btn--ghost { --btn-bd: rgba(26, 31, 40, 0.22); --btn-fg: var(--text-on-light); }

.btn--cinnabar { --btn-bd: rgba(184, 52, 43, 0.6); --btn-fg: #e8796e; }
.btn--cinnabar::after { background: linear-gradient(120deg, var(--cinnabar-600), var(--cinnabar-400)); }
.btn--cinnabar:hover { color: #fff; }

.btn--sm { padding: 10px 20px; font-size: 0.72rem; }
.btn--lg { padding: 17px 38px; font-size: 0.86rem; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-500);
  border-bottom: 2px solid transparent;
  padding-bottom: 3px;
  transition: gap 0.3s var(--ease), border-color 0.3s var(--ease);
}
.link-arrow:hover { gap: 14px; border-color: currentColor; }
.section--paper .link-arrow, .section--paper-alt .link-arrow { color: var(--gold-700); }

/* ---------- 6. Decorative elements ---------- */
/* Seal 印章 */
.seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  background: var(--cinnabar-500);
  color: #fdf6ec;
  font-family: var(--font-serif);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.05;
  text-align: center;
  border-radius: 3px;
  letter-spacing: 0.02em;
  box-shadow: inset 0 0 0 2px rgba(253, 246, 236, 0.28);
  flex: none;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 100px;
  border: 1px solid currentColor;
  white-space: nowrap;
}
.badge--gold { color: var(--gold-500); background: rgba(201, 162, 39, 0.1); }
.badge--cinnabar { color: var(--cinnabar-400); background: rgba(184, 52, 43, 0.14); }
.badge--jade { color: #4fbf99; background: rgba(47, 122, 98, 0.16); }
.badge--paper { color: var(--text-on-light-muted); background: rgba(26, 31, 40, 0.05); }
.badge--solid { color: var(--ink-900); background: var(--gold-500); border-color: var(--gold-500); }

/* Ornamental divider 回纹 —— 粗线条 + 太极核心 */
.ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--gold-600);
}
.ornament::before, .ornament::after {
  content: "";
  height: 3px;
  width: clamp(40px, 12vw, 130px);
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, currentColor 42%, currentColor 58%, transparent);
}
.ornament span {
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.3em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.ornament span::before {
  content: "";
  width: 20px; height: 20px; flex: none;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='44' fill='none' stroke='%23a4821c' stroke-width='8'/%3E%3Cpath d='M50 6a44 44 0 0 1 0 88 22 22 0 0 0 0-44 22 22 0 0 1 0-44z' fill='%23a4821c'/%3E%3Ccircle cx='50' cy='28' r='7' fill='%2307090d'/%3E%3Ccircle cx='50' cy='72' r='7' fill='%23a4821c'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* Grain / paper texture overlay */
.grain::before {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  opacity: 0.5;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.13'/%3E%3C/svg%3E");
}
.section > .wrap { position: relative; z-index: 1; }

/* Bagua ring backdrop */
.bagua-bg {
  position: absolute;
  width: min(1080px, 122vw);
  aspect-ratio: 1;
  top: 50%; left: 50%;
  /* 用独立的 translate 属性完成居中，避免与旋转动画的 transform 互相覆盖 */
  translate: -50% -50%;
  opacity: 0.085;
  pointer-events: none;
  z-index: 0;
}
.bagua-bg svg { width: 100%; height: auto; display: block; }

/* 旋转：转图形本身，容器保持居中 */
.spin-slow { animation: spin 150s linear infinite; transform-origin: 50% 50%; }
.spin-rev { animation: spin 210s linear infinite reverse; transform-origin: 50% 50%; }
.compass__svg .spin-slow,
.compass__svg .spin-rev { transform-box: view-box; transform-origin: 50% 50%; }
/* 水印容器本身不转 —— 由内部的 .orbit / .gua 两层分工完成公转与「不自转」 */
.bagua-bg.spin-slow,
.bagua-bg.spin-rev { animation: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------------------------------------------------------------------
   八卦环：只公转、不自转
   .orbit 绕画布中心正转（公转），.gua 用同一时长、同一缓动反向转（抵消自转），
   两个 transform 作用在嵌套的两层上，所以互不覆盖。
   转速由父层的 --orbit-dur 统一控制，子层继承即可。
   --------------------------------------------------------------------------- */
.orbit {
  transform-box: view-box;
  transform-origin: 50% 50%;
  animation: spin var(--orbit-dur, 180s) linear infinite;
}
.gua {
  /* fill-box + center：绕卦象自己的几何中心反向旋转，卦因此始终保持水平。
     每个卦的三个爻都关于垂直中轴对称，包围盒中心就是卦心，不会产生漂移。 */
  transform-box: fill-box;
  transform-origin: center;
  animation: spin var(--orbit-dur, 180s) linear infinite reverse;
}

@media (prefers-reduced-motion: reduce) {
  .spin-slow,
  .spin-rev,
  .orbit,
  .gua,
  .deco--spin { animation: none !important; }
}

/* ---------- 7. Header / Nav ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 900;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  border-bottom: 2px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), backdrop-filter 0.4s var(--ease), height 0.4s var(--ease);
}
.nav.is-scrolled {
  height: 64px;
  background: rgba(7, 9, 13, 0.86);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border-bottom-color: rgba(201, 162, 39, 0.34);
}
.nav__inner {
  width: 100%;
  max-width: 1460px;
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 40px);
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand { display: flex; align-items: center; gap: 12px; flex: none; min-width: 0; }
.brand__mark {
  width: 46px; height: 46px;
  flex: none;
  border: 2px solid rgba(201, 162, 39, 0.6);
  border-radius: 50%;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 50% 32%, rgba(201, 162, 39, 0.16), rgba(7, 9, 13, 0.92) 72%);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.08), 0 0 20px -6px rgba(201, 162, 39, 0.55);
}
.brand__mark svg { width: 26px; height: 26px; }
.brand__logo { width: 100%; height: 100%; object-fit: contain; display: block; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; min-width: 0; }
.brand__name {
  font-family: var(--font-serif);
  font-size: 1.16rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-on-dark);
  white-space: nowrap;
}
.brand__sub {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-600);
  white-space: nowrap;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav__link {
  position: relative;
  padding: 9px 14px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(236, 231, 219, 0.78);
  border-radius: var(--r-sm);
  transition: color 0.28s var(--ease), background 0.28s var(--ease);
  white-space: nowrap;
}
.nav__link:hover { color: var(--gold-300); background: rgba(201, 162, 39, 0.08); }
.nav__link.is-active { color: var(--gold-400); }
.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 1px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--gold-600), var(--gold-400));
}

.nav__actions { display: flex; align-items: center; gap: 10px; flex: none; }

/* Language switch */
.lang {
  display: flex;
  align-items: center;
  border: 2px solid rgba(201, 162, 39, 0.4);
  border-radius: 100px;
  padding: 2px;
  gap: 2px;
}
.lang__btn {
  padding: 5px 12px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 100px;
  color: rgba(236, 231, 219, 0.6);
  transition: all 0.28s var(--ease);
}
.lang__btn.is-active { background: var(--gold-500); color: var(--ink-900); }
.lang__btn:not(.is-active):hover { color: var(--gold-300); }

.nav__toggle {
  display: none;
  width: 42px; height: 42px;
  border: 2px solid rgba(201, 162, 39, 0.4);
  border-radius: var(--r-sm);
  position: relative;
}
.nav__toggle span {
  position: absolute;
  left: 11px; right: 11px;
  height: 2.5px;
  border-radius: 2px;
  background: var(--gold-400);
  transition: transform 0.35s var(--ease), opacity 0.2s var(--ease);
}
.nav__toggle span:nth-child(1) { top: 14px; }
.nav__toggle span:nth-child(2) { top: 20px; }
.nav__toggle span:nth-child(3) { top: 26px; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile drawer */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 890;
  background: rgba(7, 9, 13, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: calc(var(--nav-h) + 24px) clamp(18px, 5vw, 40px) 40px;
  transform: translateX(100%);
  transition: transform 0.5s var(--ease);
  overflow-y: auto;
  visibility: hidden;
}
.drawer.is-open { transform: translateX(0); visibility: visible; }
.drawer__link {
  display: block;
  padding: 18px 0;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--text-on-dark);
  border-bottom: 2px solid rgba(201, 162, 39, 0.22);
  transition: color 0.25s var(--ease), padding-left 0.3s var(--ease);
}
.drawer__link:hover { color: var(--gold-400); padding-left: 10px; }
.drawer__foot { margin-top: 34px; display: grid; gap: 12px; }
.lang--drawer {
  justify-self: start;
  margin-bottom: 8px;
  border-color: rgba(201, 162, 39, 0.42);
}
.lang--drawer .lang__btn { padding: 8px 20px; font-size: 0.74rem; }

@media (max-width: 1080px) {
  .nav__menu { display: none; }
  .nav__toggle { display: block; }
  .nav__actions { margin-left: auto; }
  .nav__actions .btn { display: none; }
}

/* Compact header on small screens — prevents horizontal overflow */
@media (max-width: 620px) {
  .nav__inner { gap: 10px; padding-inline: 14px; }
  .nav__actions { gap: 6px; }
  .brand { gap: 9px; }
  .brand__mark { width: 34px; height: 34px; }
  .brand__mark svg { width: 21px; height: 21px; }
  .brand__name { font-size: 1rem; }
  .brand__sub { display: none; }
  .lang__btn { padding: 4px 8px; font-size: 0.6rem; letter-spacing: 0.06em; }
  .nav__toggle { width: 36px; height: 36px; }
  .nav__toggle span { left: 9px; right: 9px; }
  .nav__toggle span:nth-child(1) { top: 12px; }
  .nav__toggle span:nth-child(2) { top: 17px; }
  .nav__toggle span:nth-child(3) { top: 22px; }
}
@media (max-width: 400px) {
  .brand__name { font-size: 0.94rem; }
  .lang__btn { padding: 4px 7px; font-size: 0.56rem; }
}

/* ---------- 8. Hero ---------- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-h) + 48px);
  padding-bottom: 72px;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, #141b26 0%, var(--ink-900) 62%, #05070a 100%);
  overflow: hidden;
}
.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: clamp(30px, 5vw, 70px);
  align-items: center;
  width: 100%;
}
.hero__quote {
  font-family: var(--font-serif);
  font-size: clamp(0.92rem, 1.3vw, 1.05rem);
  font-style: italic;
  color: var(--gold-400);
  border-left: 4px solid var(--cinnabar-500);
  padding-left: 16px;
  margin-bottom: 26px;
  line-height: 1.6;
}
.hero__title { margin-bottom: 22px; }
.hero__title .line { display: block; }
.hero__desc { font-size: clamp(1rem, 1.4vw, 1.14rem); color: var(--text-on-dark-muted); max-width: 52ch; margin-bottom: 34px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }
.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 52px);
  padding-top: 28px;
  border-top: 2px solid rgba(201, 162, 39, 0.28);
}
.hero__stat b {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  font-weight: 700;
  color: var(--gold-400);
  line-height: 1;
  margin-bottom: 6px;
}
.hero__stat span { font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-on-dark-muted); }

/* Compass visual */
.compass {
  position: relative;
  aspect-ratio: 1;
  width: 100%;
  max-width: 520px;
  margin-inline: auto;
  display: grid;
  place-items: center;
}
.compass__svg { width: 100%; height: 100%; overflow: visible; }
.compass__core {
  position: absolute;
  width: 46%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 34%, rgba(201, 162, 39, 0.22), rgba(7, 9, 13, 0.9) 68%);
  border: 3px solid rgba(201, 162, 39, 0.5);
  display: grid;
  place-items: center;
  text-align: center;
  box-shadow: inset 0 0 60px rgba(201, 162, 39, 0.18), 0 0 80px -18px rgba(201, 162, 39, 0.5);
}
.compass__core-inner { display: grid; gap: 4px; place-items: center; padding: 0 16px; }
.compass__core .cn {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.4vw, 1.7rem);
  letter-spacing: 0.34em;
  color: var(--gold-300);
  text-indent: 0.34em;
  line-height: 1.16;
  text-align: center;
}
.compass__core .en {
  font-size: 0.56rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-600);
  line-height: 1.7;
  text-align: center;
  max-width: 100%;
}
/* Latin brand names are far longer than the 4-character Chinese form */
body:not(.lang-zh) .compass__core .cn {
  font-size: clamp(0.86rem, 1.5vw, 1.04rem);
  letter-spacing: 0.16em;
  text-indent: 0.16em;
  line-height: 1.4;
}
body:not(.lang-zh) .compass__core .en { letter-spacing: 0.14em; font-size: 0.5rem; }

@media (max-width: 940px) {
  .hero__inner { grid-template-columns: 1fr; }
  .compass { max-width: 380px; order: -1; }
  .hero { min-height: auto; padding-top: calc(var(--nav-h) + 40px); }
}

/* ---------- 9. Cards ---------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: linear-gradient(168deg, rgba(30, 37, 49, 0.72), rgba(11, 14, 20, 0.9));
  border: 2px solid rgba(201, 162, 39, 0.24);
  border-radius: var(--r-md);
  padding: clamp(20px, 2.4vw, 30px);
  transition: transform 0.45s var(--ease), border-color 0.45s var(--ease), box-shadow 0.45s var(--ease);
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(201, 162, 39, 0.1), transparent 70%);
  opacity: 0;
  transition: opacity 0.45s var(--ease);
  pointer-events: none;
}
.card:hover { transform: translateY(-6px); border-color: rgba(201, 162, 39, 0.42); box-shadow: var(--shadow-lg); }
.card:hover::before { opacity: 1; }
.card > * { position: relative; z-index: 1; }

.card--paper {
  background: var(--paper-100);
  border-color: rgba(26, 31, 40, 0.1);
  color: var(--text-on-light);
}
.card--paper::before { background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(201, 162, 39, 0.16), transparent 70%); }
.card--paper:hover { border-color: rgba(201, 162, 39, 0.55); box-shadow: 0 22px 46px -22px rgba(26, 31, 40, 0.35); }

.card__icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border: 2px solid rgba(201, 162, 39, 0.46);
  border-radius: var(--r-sm);
  color: var(--gold-400);
  margin-bottom: 18px;
  background: rgba(201, 162, 39, 0.06);
  flex: none;
}
.card__icon svg { width: 24px; height: 24px; }
.card--paper .card__icon { color: var(--gold-700); border-color: rgba(164, 130, 28, 0.4); }
.card__title { font-size: 1.16rem; margin-bottom: 10px; }
.card__text { font-size: 0.92rem; color: var(--text-on-dark-muted); line-height: 1.75; }
.card--paper .card__text { color: var(--text-on-light-muted); }

/* Numbered feature */
.num-card { position: relative; padding-top: 46px; }
.num-card__num {
  position: absolute;
  top: 16px; left: clamp(20px, 2.4vw, 30px);
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
  color: rgba(201, 162, 39, 0.22);
}
.card--paper .num-card__num, .num-card.card--paper .num-card__num { color: rgba(164, 130, 28, 0.24); }

/* ---------- 10. Course cards ---------- */
.course {
  display: flex;
  flex-direction: column;
  background: var(--ink-700);
  border: 2px solid rgba(201, 162, 39, 0.26);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform 0.45s var(--ease), border-color 0.45s var(--ease), box-shadow 0.45s var(--ease);
}
.course:hover { transform: translateY(-6px); border-color: rgba(201, 162, 39, 0.45); box-shadow: var(--shadow-lg); }

.course__cover {
  position: relative;
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: radial-gradient(circle at 50% 40%, #1b2331, #0a0d13 72%);
  border-bottom: 2px solid rgba(201, 162, 39, 0.22);
}
.course__cover svg { width: 56%; max-width: 190px; opacity: 0.85; transition: transform 0.7s var(--ease); }
/* 悬停只微放大 —— 封面已换成实心的中国风图案，再让它旋转会显得晃 */
.course:hover .course__cover svg { transform: scale(1.07); }
.course__tags {
  position: absolute; top: 12px; left: 12px; right: 12px;
  display: flex; justify-content: space-between; gap: 8px; align-items: flex-start;
}
.course__body { padding: clamp(18px, 2vw, 24px); display: flex; flex-direction: column; flex: 1; }
.course__meta { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold-600); margin-bottom: 12px; }
.course__title { font-size: 1.14rem; margin-bottom: 10px; }
/* 课程题目里「+ 赠送咨询」那段。
   客户里有一大批人并不想学完整课程、只想找人问问题，所以赠品要与课名同等醒目。
   字号写成 1em（不写死数值）—— 它恒等于所在标题的字号：
     列表页父级是 .course__title，详情页父级是 .h2（clamp 1.8–2.75rem），
   标题多大赠品就多大，不会再出现「详情页标题放大、赠品没跟上」的脱节。
   仅以金色区分层次，白题名 / 金赠品。 */
.course__gift {
  display: block;
  margin-top: 9px;
  font-family: var(--font-serif);
  font-size: 1em;
  font-weight: 600;
  letter-spacing: 0.005em;
  line-height: 1.34;
  color: var(--gold-400);
  font-variant-numeric: lining-nums;
}
/* 详情页大标题下的那一行：同样跟随 .h2 的字号，只调间距 */
#course-detail .h2 .course__gift {
  font-size: 1em;
  letter-spacing: 0.01em;
  margin-top: 12px;
}
.course__desc { font-size: 0.9rem; color: var(--text-on-dark-muted); line-height: 1.72; margin-bottom: 18px; flex: 1; }
.course__list { display: grid; gap: 8px; margin-bottom: 20px; }
.course__list li { display: flex; gap: 10px; font-size: 0.85rem; color: var(--text-on-dark-muted); line-height: 1.6; }
.course__list li::before { content: "◆"; color: var(--gold-600); font-size: 0.6rem; line-height: 1.9; flex: none; }
.course__foot {
  display: flex; align-items: center; justify-content: space-between; gap: 14px 12px;
  flex-wrap: wrap;
  padding-top: 18px; border-top: 2px solid rgba(201, 162, 39, 0.22); margin-top: auto;
}
/* 价格：放大加粗并蘸金，做成「匾额落款」的观感，不再是小而细的一行 */
.price { display: flex; align-items: baseline; gap: 10px; }
.price__now {
  font-family: var(--font-serif);
  font-size: 2.05rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--gold-400);
  font-variant-numeric: lining-nums;
  text-shadow: 0 0 22px rgba(201, 162, 39, 0.35);
}
@supports ((background-clip: text) or (-webkit-background-clip: text)) {
  .price__now {
    background: linear-gradient(152deg, var(--gold-300) 6%, var(--gold-500) 54%, var(--gold-300) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
  }
}
.price__was { font-size: 0.86rem; color: var(--text-on-dark-muted); text-decoration: line-through; }

/* 购买按钮：卡片与详情页共用。
   做成中国风「匾额」—— 实心烫金底、内嵌一圈亮边、衬线大字，
   比原先 0.72rem 的细窄按钮更醒目、更压得住价格。 */
.course__buy {
  --btn-bg: linear-gradient(158deg, var(--gold-300), var(--gold-500) 58%, var(--gold-600));
  --btn-fg: var(--ink-900);
  --btn-bd: rgba(122, 95, 19, 0.55);
  flex: none;
  white-space: nowrap;
  padding: 15px 26px;
  font-family: var(--font-serif);
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: none;
  border-radius: var(--r-sm);
  box-shadow: inset 0 0 0 1px rgba(240, 221, 160, 0.6), 0 10px 24px -14px rgba(201, 162, 39, 0.85);
}
/* 底色已经是实心金，扁平化的下推覆盖层反而会削弱质感，去掉 */
.course__buy::after { display: none; }
.course__buy:hover {
  --btn-bg: linear-gradient(158deg, var(--gold-300), var(--gold-400) 62%, var(--gold-500));
  --btn-bd: rgba(240, 221, 160, 0.75);
  box-shadow: inset 0 0 0 1px rgba(240, 221, 160, 0.8), 0 16px 32px -14px rgba(201, 162, 39, 1);
}
.course__more {
  display: inline-flex; align-items: center; gap: 7px;
  margin-top: 13px;
  font-size: 0.73rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--gold-600);
  transition: color 0.3s var(--ease), gap 0.3s var(--ease);
}
.course__more:hover { color: var(--gold-400); gap: 11px; }

/* 详情页价格下方的付款说明 */
.paypal-note {
  margin: 12px 0 14px;
  padding-left: 12px;
  border-left: 3px solid rgba(201, 162, 39, 0.4);
  font-size: 0.76rem; line-height: 1.68;
  color: var(--text-on-dark-muted);
}

/* PayPal 付款成功回跳提示条 */
.paid-banner {
  display: grid; gap: 7px;
  margin-top: 24px; max-width: 660px;
  padding: 17px 20px;
  border: 2px solid rgba(201, 162, 39, 0.5);
  border-left-width: 6px;
  border-radius: var(--r-sm);
  background: rgba(201, 162, 39, 0.09);
}
.paid-banner[hidden] { display: none; }
.paid-banner strong {
  font-family: var(--font-serif);
  font-size: 1.04rem; font-weight: 700;
  color: var(--gold-300);
}
.paid-banner__course { font-size: 0.76rem; letter-spacing: 0.09em; text-transform: uppercase; color: var(--gold-600); }
.paid-banner p { margin: 0; font-size: 0.88rem; line-height: 1.72; color: var(--text-on-dark-muted); }
.paid-banner__course:empty { display: none; }

/* ---------- 11. Blog ---------- */
.filterbar {
  display: flex; flex-wrap: wrap; gap: 8px;
  align-items: center;
  padding-bottom: 24px;
  margin-bottom: 34px;
  border-bottom: 2px solid rgba(201, 162, 39, 0.28);
}
.filterbar--paper { border-bottom-color: rgba(26, 31, 40, 0.12); }
.chip {
  padding: 8px 16px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border: 2px solid rgba(201, 162, 39, 0.36);
  border-radius: 100px;
  color: var(--text-on-dark-muted);
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.chip:hover { color: var(--gold-300); border-color: rgba(201, 162, 39, 0.6); }
.chip.is-active { background: var(--gold-500); border-color: var(--gold-500); color: var(--ink-900); }
.filterbar--paper .chip { border-color: rgba(26, 31, 40, 0.18); color: var(--text-on-light-muted); }
.filterbar--paper .chip:hover { color: var(--gold-700); border-color: var(--gold-600); }
.filterbar--paper .chip.is-active { background: var(--gold-600); border-color: var(--gold-600); color: #fff; }

.post {
  display: grid;
  gap: 22px;
  grid-template-columns: 96px 1fr auto;
  align-items: start;
  padding: clamp(22px, 2.6vw, 32px) clamp(18px, 2.2vw, 28px);
  border: 2px solid rgba(201, 162, 39, 0.24);
  border-radius: var(--r-md);
  background: linear-gradient(120deg, rgba(23, 29, 40, 0.6), rgba(11, 14, 20, 0.3));
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease), transform 0.4s var(--ease);
}
.post:hover { border-color: rgba(201, 162, 39, 0.45); transform: translateX(5px); }
.post--paper { background: var(--paper-100); border-color: rgba(26, 31, 40, 0.1); }
.post--paper:hover { border-color: rgba(201, 162, 39, 0.6); }

.post__date {
  text-align: center;
  padding: 12px 8px;
  border: 1px solid rgba(201, 162, 39, 0.24);
  border-radius: var(--r-sm);
  background: rgba(201, 162, 39, 0.05);
}
.post__date .d { display: block; font-family: var(--font-serif); font-size: 1.8rem; font-weight: 700; color: var(--gold-400); line-height: 1; }
.post__date .m { display: block; font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-on-dark-muted); margin-top: 5px; }
.post--paper .post__date { border-color: rgba(26, 31, 40, 0.14); background: rgba(201, 162, 39, 0.07); }
.post--paper .post__date .d { color: var(--gold-700); }
.post--paper .post__date .m { color: var(--text-on-light-muted); }

.post__body { min-width: 0; }
.post__cats { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 10px; }
.post__title { font-size: clamp(1.12rem, 1.7vw, 1.36rem); margin-bottom: 9px; }
.post__title a { transition: color 0.3s var(--ease); }
.post__title a:hover { color: var(--gold-400); }
.post--paper .post__title a:hover { color: var(--gold-700); }
.post__excerpt { font-size: 0.92rem; color: var(--text-on-dark-muted); line-height: 1.78; margin: 0; }
.post--paper .post__excerpt { color: var(--text-on-light-muted); }
.post__side { display: flex; flex-direction: column; align-items: flex-end; gap: 12px; }
.post__read { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-on-dark-muted); white-space: nowrap; }
.post--paper .post__read { color: var(--text-on-light-muted); }

@media (max-width: 760px) {
  .post { grid-template-columns: 1fr; gap: 16px; }
  .post__date { display: flex; align-items: baseline; gap: 8px; justify-content: flex-start; text-align: left; padding: 8px 14px; }
  .post__date .d { font-size: 1.3rem; }
  .post__date .m { margin-top: 0; }
  .post__side { flex-direction: row; align-items: center; justify-content: space-between; width: 100%; }
}

.today-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  padding: 16px 22px;
  border: 2px solid rgba(201, 162, 39, 0.42);
  border-left: 5px solid var(--cinnabar-500);
  border-radius: var(--r-sm);
  background: linear-gradient(100deg, rgba(201, 162, 39, 0.1), rgba(201, 162, 39, 0.02));
  margin-bottom: 34px;
}
.today-banner__label { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cinnabar-400); display: flex; align-items: center; gap: 8px; }
.pulse {
  width: 7px; height: 7px; border-radius: 50%; background: var(--cinnabar-400);
  box-shadow: 0 0 0 0 rgba(212, 87, 76, 0.7);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 9px rgba(212, 87, 76, 0); }
  100% { box-shadow: 0 0 0 0 rgba(212, 87, 76, 0); }
}
.today-banner__text { font-family: var(--font-serif); font-size: 1.06rem; }

/* ---------- 12. Reels ---------- */
.reel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: clamp(14px, 1.8vw, 22px);
}
.reel {
  position: relative;
  aspect-ratio: 9 / 16;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 2px solid rgba(201, 162, 39, 0.3);
  background: #0a0d13;
  cursor: pointer;
  transition: transform 0.45s var(--ease), border-color 0.45s var(--ease), box-shadow 0.45s var(--ease);
}
.reel:hover { transform: translateY(-6px) scale(1.012); border-color: rgba(201, 162, 39, 0.55); box-shadow: var(--shadow-lg); }
.reel__bg { position: absolute; inset: 0; }
.reel__bg svg, .reel__bg canvas { width: 100%; height: 100%; display: block; }
.reel__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(7, 9, 13, 0.94) 6%, rgba(7, 9, 13, 0.34) 42%, rgba(7, 9, 13, 0.62) 100%);
}
.reel__top {
  position: absolute; top: 12px; left: 12px; right: 12px;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; z-index: 3;
}
.reel__platform {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px;
  background: rgba(7, 9, 13, 0.72);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 100px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
}
.reel__dur {
  padding: 4px 9px;
  background: rgba(7, 9, 13, 0.72);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: rgba(255, 255, 255, 0.85);
}
.reel__body {
  position: absolute; inset: auto 0 0 0;
  padding: 16px;
  z-index: 3;
}
.reel__hook {
  font-family: var(--font-serif);
  font-size: 1.04rem;
  line-height: 1.3;
  color: #fff;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.reel__hook .hl { color: var(--gold-400); }
.reel__sub { font-size: 0.72rem; color: rgba(255, 255, 255, 0.6); display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.reel__play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.86);
  width: 54px; height: 54px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(201, 162, 39, 0.16);
  border: 3px solid rgba(201, 162, 39, 0.65);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
  z-index: 4;
  color: var(--gold-300);
}
.reel:hover .reel__play { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.reel__play svg { width: 20px; height: 20px; margin-left: 3px; }

/* Reels rail (horizontal scroll) */
.rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(210px, 232px);
  gap: 18px;
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}
.rail > * { scroll-snap-align: start; }
.rail::-webkit-scrollbar { height: 6px; }
.rail::-webkit-scrollbar-thumb { background: rgba(201, 162, 39, 0.32); }
.rail-nav { display: flex; gap: 8px; }
.rail-btn {
  width: 40px; height: 40px; border-radius: 50%;
  border: 2px solid rgba(201, 162, 39, 0.44);
  display: grid; place-items: center;
  color: var(--gold-400);
  transition: all 0.3s var(--ease);
}
.rail-btn:hover { background: var(--gold-500); color: var(--ink-900); border-color: var(--gold-500); }

/* ---------- 13. Case studies ---------- */
.case {
  display: flex;
  flex-direction: column;
  border: 2px solid rgba(201, 162, 39, 0.28);
  border-radius: var(--r-md);
  background: linear-gradient(165deg, rgba(23, 29, 40, 0.86), rgba(10, 13, 19, 0.86));
  overflow: hidden;
  transition: transform 0.45s var(--ease), border-color 0.45s var(--ease), box-shadow 0.45s var(--ease);
}
.case:hover { transform: translateY(-5px); border-color: rgba(201, 162, 39, 0.45); box-shadow: var(--shadow-lg); }
.case__head {
  display: flex; align-items: center; gap: 14px;
  padding: 18px clamp(18px, 2vw, 24px);
  border-bottom: 2px solid rgba(201, 162, 39, 0.22);
}
.case__cat {
  width: 42px; height: 42px; flex: none;
  display: grid; place-items: center;
  border-radius: var(--r-sm);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink-900);
}
.case__head-text { min-width: 0; }
.case__label { font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold-600); }
.case__id { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-on-dark-muted); }
.case__body { padding: clamp(18px, 2vw, 24px); display: flex; flex-direction: column; flex: 1; }
.case__q {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  line-height: 1.5;
  color: var(--text-on-dark);
  padding-left: 14px;
  border-left: 4px solid rgba(201, 162, 39, 0.5);
  margin-bottom: 16px;
}
.case__analysis { font-size: 0.88rem; color: var(--text-on-dark-muted); line-height: 1.78; margin-bottom: 16px; }
.case__chart { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 18px; }
.case__gong {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border-radius: 3px;
  font-size: 0.72rem;
  font-weight: 600;
  border: 1px solid currentColor;
  opacity: 0.9;
}
.case__result {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 13px 15px;
  border-radius: var(--r-sm);
  background: rgba(47, 122, 98, 0.11);
  border: 2px solid rgba(47, 122, 98, 0.4);
  font-size: 0.85rem;
  line-height: 1.65;
  margin-top: auto;
}
.case__result svg { width: 16px; height: 16px; flex: none; margin-top: 3px; color: #4fbf99; }
.case__result b { color: #7ddcb8; font-weight: 600; }

/* Wealth highlight */
.wealth-card {
  background: linear-gradient(150deg, rgba(201, 162, 39, 0.14), rgba(11, 14, 20, 0.9) 55%);
  border-color: rgba(201, 162, 39, 0.34);
}

/* ---------- 14. Testimonials ---------- */
.quote-card {
  display: flex; flex-direction: column;
  padding: clamp(22px, 2.6vw, 30px);
  background: var(--paper-100);
  border: 2px solid rgba(26, 31, 40, 0.14);
  border-radius: var(--r-md);
  color: var(--text-on-light);
  height: 100%;
}
.quote-card__stars { color: var(--gold-500); letter-spacing: 2px; font-size: 0.9rem; margin-bottom: 14px; }
.quote-card__text { font-family: var(--font-serif); font-size: 1.04rem; line-height: 1.72; flex: 1; margin-bottom: 20px; }
.quote-card__who { display: flex; align-items: center; gap: 12px; padding-top: 16px; border-top: 2px solid rgba(26, 31, 40, 0.14); }
.avatar {
  width: 42px; height: 42px; border-radius: 50%; flex: none;
  display: grid; place-items: center;
  font-family: var(--font-serif); font-weight: 700; font-size: 0.95rem;
  color: var(--ink-900);
  background: linear-gradient(140deg, var(--gold-400), var(--gold-600));
}
.quote-card__name { font-weight: 600; font-size: 0.9rem; }
.quote-card__loc { font-size: 0.74rem; color: var(--text-on-light-muted); }

/* ---------- 15. Team ---------- */
.mentor { text-align: center; }
.mentor__photo {
  aspect-ratio: 4 / 5;
  border-radius: var(--r-md);
  border: 2px solid rgba(201, 162, 39, 0.3);
  display: grid; place-items: center;
  background: radial-gradient(circle at 50% 34%, #1b2331, #0a0d13 74%);
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}
.mentor__photo svg { width: 46%; opacity: 0.72; }
.mentor__name { font-size: 1.04rem; margin-bottom: 4px; }
.mentor__role { font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold-600); }
.mentor__bio { font-size: 0.84rem; color: var(--text-on-dark-muted); margin-top: 10px; line-height: 1.7; }
.mentor--paper .mentor__photo { background: radial-gradient(circle at 50% 34%, #fdf9ef, #e6ddc9 74%); border-color: rgba(26, 31, 40, 0.12); }
.mentor--paper .mentor__bio { color: var(--text-on-light-muted); }
.mentor--paper .mentor__role { color: var(--gold-700); }

/* ---------- 16. Nine palaces grid ---------- */
.palace-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  max-width: 480px;
  margin-inline: auto;
}
.palace {
  aspect-ratio: 1;
  border: 2px solid rgba(201, 162, 39, 0.3);
  border-radius: var(--r-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  text-align: center;
  padding: 6px;
  background: rgba(201, 162, 39, 0.03);
  transition: all 0.4s var(--ease);
  cursor: default;
}
.palace:hover { background: rgba(201, 162, 39, 0.11); border-color: rgba(201, 162, 39, 0.6); transform: scale(1.04); z-index: 2; }
.palace__num { font-family: var(--font-mono); font-size: 0.62rem; color: var(--gold-600); }
.palace__name { font-family: var(--font-serif); font-size: clamp(1rem, 2.2vw, 1.42rem); line-height: 1; }
.palace__trigram { font-size: 0.66rem; color: var(--text-on-dark-muted); letter-spacing: 0.06em; }
.palace--center { background: rgba(184, 52, 43, 0.08); border-color: rgba(184, 52, 43, 0.3); }
.palace--center:hover { background: rgba(184, 52, 43, 0.16); border-color: rgba(212, 87, 76, 0.7); }

/* Element dots */
.el { display: inline-flex; align-items: center; gap: 6px; font-size: 0.74rem; letter-spacing: 0.06em; }
.el__dot {
  width: 11px; height: 11px; border-radius: 50%; flex: none;
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.14);
}
.el--wood .el__dot, .dot-wood { background: var(--wood); }
.el--fire .el__dot, .dot-fire { background: var(--fire); }
.el--earth .el__dot, .dot-earth { background: var(--earth); }
.el--metal .el__dot, .dot-metal { background: var(--metal); }
.el--water .el__dot, .dot-water { background: var(--water); }

/* ---------- 17. Stats strip ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: rgba(201, 162, 39, 0.28);
  border: 2px solid rgba(201, 162, 39, 0.28);
  border-radius: var(--r-md);
  overflow: hidden;
}
.stat { background: var(--ink-800); padding: clamp(22px, 3vw, 34px) clamp(14px, 2vw, 24px); text-align: center; }
.stat b { display: block; font-family: var(--font-serif); font-size: clamp(1.8rem, 3.4vw, 2.7rem); font-weight: 700; color: var(--gold-400); line-height: 1; margin-bottom: 8px; }
.stat span { font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-on-dark-muted); }
.section--paper .stats, .section--paper-alt .stats { background: rgba(26, 31, 40, 0.1); border-color: rgba(26, 31, 40, 0.1); }
.section--paper .stat, .section--paper-alt .stat { background: var(--paper-100); }
.section--paper .stat b, .section--paper-alt .stat b { color: var(--gold-700); }
.section--paper .stat span, .section--paper-alt .stat span { color: var(--text-on-light-muted); }

/* ---------- 18. Steps ---------- */
.steps { display: grid; gap: 0; counter-reset: s; }
.step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: clamp(16px, 3vw, 34px);
  padding: clamp(22px, 3vw, 32px) 0;
  border-bottom: 2px solid rgba(201, 162, 39, 0.22);
}
.step:last-child { border-bottom: 0; }
.step__n {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: rgba(201, 162, 39, 0.3);
  line-height: 1;
}
.section--paper .step { border-bottom-color: rgba(26, 31, 40, 0.12); }
.section--paper .step__n { color: rgba(164, 130, 28, 0.35); }
.step__title { font-size: 1.18rem; margin-bottom: 8px; }
.step__text { font-size: 0.92rem; color: var(--text-on-dark-muted); line-height: 1.78; max-width: 68ch; }
.section--paper .step__text { color: var(--text-on-light-muted); }

/* ---------- 19. Accordion / FAQ ---------- */
.acc { border-top: 2px solid rgba(201, 162, 39, 0.24); }
.acc__item { border-bottom: 2px solid rgba(201, 162, 39, 0.24); }
.acc__btn {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 4px;
  text-align: left;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.5vw, 1.16rem);
  font-weight: 600;
  color: inherit;
  transition: color 0.3s var(--ease);
}
.acc__btn:hover { color: var(--gold-400); }
.section--paper .acc__btn:hover { color: var(--gold-700); }
.acc__icon { flex: none; width: 22px; height: 22px; position: relative; margin-top: 3px; }
.acc__icon::before, .acc__icon::after {
  content: ""; position: absolute; background: currentColor;
  transition: transform 0.4s var(--ease), opacity 0.3s var(--ease);
}
.acc__icon::before { left: 0; right: 0; top: 50%; height: 2.5px; transform: translateY(-50%); border-radius: 2px; }
.acc__icon::after { top: 0; bottom: 0; left: 50%; width: 2.5px; transform: translateX(-50%); border-radius: 2px; }
.acc__item.is-open .acc__icon::after { transform: translateX(-50%) scaleY(0); opacity: 0; }
.acc__panel { max-height: 0; overflow: hidden; transition: max-height 0.45s var(--ease); }
.acc__inner { padding: 0 4px 26px; font-size: 0.93rem; line-height: 1.85; color: var(--text-on-dark-muted); max-width: 76ch; }
.section--paper .acc { border-top-color: rgba(26, 31, 40, 0.12); }
.section--paper .acc__item { border-bottom-color: rgba(26, 31, 40, 0.12); }
.section--paper .acc__inner { color: var(--text-on-light-muted); }

/* ---------- 20. CTA band ---------- */
.cta-band {
  position: relative;
  border-radius: var(--r-lg);
  border: 2px solid rgba(201, 162, 39, 0.42);
  background:
    radial-gradient(ellipse 70% 120% at 12% 0%, rgba(201, 162, 39, 0.18), transparent 58%),
    radial-gradient(ellipse 60% 100% at 92% 100%, rgba(184, 52, 43, 0.16), transparent 60%),
    var(--ink-700);
  padding: clamp(34px, 5.4vw, 74px);
  overflow: hidden;
  text-align: center;
}

/* ---------- 21. Forms ---------- */
.field { display: grid; gap: 8px; }
.field label { font-size: 0.74rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold-600); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 15px;
  background: rgba(7, 9, 13, 0.5);
  border: 2px solid rgba(201, 162, 39, 0.34);
  border-radius: var(--r-sm);
  font-size: 0.94rem;
  color: var(--text-on-dark);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  font-family: var(--font-sans);
}
.field textarea { min-height: 132px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--gold-500);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.14);
  outline: none;
}
.field input::placeholder, .field textarea::placeholder { color: rgba(154, 160, 168, 0.6); }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23c9a227' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 38px; }
.field--paper input, .field--paper select, .field--paper textarea { background: #fff; border-color: rgba(26, 31, 40, 0.16); color: var(--text-on-light); }

.form-note { font-size: 0.78rem; color: var(--text-on-dark-muted); }
.form-ok {
  display: none;
  align-items: center; gap: 10px;
  padding: 14px 18px;
  border: 2px solid rgba(47, 122, 98, 0.45);
  background: rgba(47, 122, 98, 0.12);
  border-radius: var(--r-sm);
  font-size: 0.88rem;
  color: #7ddcb8;
}
.form-ok.is-shown { display: flex; }

/* ---------- 22. Page hero (inner pages) ---------- */
.page-hero {
  position: relative;
  padding-top: calc(var(--nav-h) + clamp(56px, 8vw, 96px));
  padding-bottom: clamp(46px, 6vw, 76px);
  background: radial-gradient(ellipse 70% 100% at 50% 0%, #131a24, var(--ink-900) 68%);
  border-bottom: 2px solid rgba(201, 162, 39, 0.3);
  overflow: hidden;
}
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 0.74rem; color: var(--text-on-dark-muted); margin-bottom: 18px; }
.breadcrumb a:hover { color: var(--gold-400); }
.breadcrumb span { opacity: 0.4; }

/* ---------- 23. Footer ---------- */
.footer {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  border-top: 2px solid rgba(201, 162, 39, 0.3);
  padding-top: clamp(52px, 7vw, 82px);
  padding-bottom: 34px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: clamp(26px, 4vw, 52px);
  padding-bottom: 44px;
  border-bottom: 2px solid rgba(201, 162, 39, 0.22);
}
.footer__col h4 { font-size: 0.76rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold-500); margin-bottom: 20px; font-family: var(--font-sans); font-weight: 700; }
.footer__col li + li { margin-top: 12px; }
.footer__col a { font-size: 0.88rem; color: var(--text-on-dark-muted); transition: color 0.28s var(--ease), padding-left 0.28s var(--ease); }
.footer__col a:hover { color: var(--gold-400); padding-left: 4px; }
.footer__about { font-size: 0.88rem; color: var(--text-on-dark-muted); line-height: 1.8; margin: 18px 0 22px; max-width: 40ch; }
.socials { display: flex; gap: 10px; }
.social {
  width: 38px; height: 38px; border-radius: 50%;
  border: 2px solid rgba(201, 162, 39, 0.38);
  display: grid; place-items: center;
  color: var(--text-on-dark-muted);
  transition: all 0.3s var(--ease);
}
.social:hover { background: var(--gold-500); color: var(--ink-900); border-color: var(--gold-500); transform: translateY(-3px); }
.social svg { width: 17px; height: 17px; }
.footer__bottom {
  display: flex; flex-wrap: wrap; gap: 14px 24px;
  align-items: center; justify-content: space-between;
  padding-top: 26px;
  font-size: 0.78rem;
  color: var(--text-on-dark-muted);
}
.footer__legal { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer__legal a:hover { color: var(--gold-400); }

@media (max-width: 900px) {
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

/* ---------- 24. Newsletter ---------- */
.newsletter { display: flex; gap: 10px; max-width: 460px; }
.newsletter input { flex: 1; padding: 13px 15px; background: rgba(7, 9, 13, 0.55); border: 2px solid rgba(201, 162, 39, 0.34); border-radius: var(--r-sm); color: var(--text-on-dark); font-size: 0.9rem; }
.newsletter input:focus { outline: none; border-color: var(--gold-500); box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.14); }
.newsletter input::placeholder { color: rgba(154, 160, 168, 0.6); }
@media (max-width: 480px) { .newsletter { flex-direction: column; } }

/* ---------- 25. Reveal animation ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--d, 0ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 26. Responsive ---------- */
@media (max-width: 1100px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .step { grid-template-columns: 1fr; gap: 10px; }
  .step__n { font-size: 1.9rem; }
  .palace-grid { max-width: 100%; }
  .rail { grid-auto-columns: minmax(180px, 60vw); }
}

/* ---------- 27. Reel background art ---------- */
.reel__bg {
  background:
    radial-gradient(circle at 50% 24%, hsla(var(--hue), 55%, 30%, 0.85), transparent 62%),
    linear-gradient(168deg, hsl(var(--hue), 36%, 14%), hsl(var(--hue), 28%, 5%));
}
.reel__bg::after {
  content: attr(data-glyph);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-serif);
  font-size: clamp(4.2rem, 9vw, 7rem);
  font-weight: 700;
  color: hsla(var(--hue), 70%, 68%, 0.24);
  pointer-events: none;
  text-shadow: 0 0 40px hsla(var(--hue), 70%, 60%, 0.3);
}
.reel__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M0 30h60M30 0v60' stroke='%23ffffff' stroke-opacity='0.04' stroke-width='1'/%3E%3C/svg%3E");
  pointer-events: none;
}

/* ---------- 28. Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 950;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0.4s var(--ease);
}
.modal.is-open { opacity: 1; visibility: visible; }
.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 7, 10, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.modal__box {
  position: relative;
  display: flex;
  gap: clamp(18px, 3vw, 30px);
  width: min(94vw, 860px);
  background: var(--ink-700);
  border: 2px solid rgba(201, 162, 39, 0.42);
  border-radius: var(--r-lg);
  padding: clamp(16px, 2.4vw, 26px);
  box-shadow: var(--shadow-lg);
  transform: translateY(16px) scale(0.98);
  transition: transform 0.5s var(--ease);
}
.modal.is-open .modal__box { transform: none; }
.modal__stage {
  position: relative;
  width: 250px;
  flex: none;
  aspect-ratio: 9 / 16;
  border-radius: var(--r-md);
  overflow: hidden;
  background: #0a0d13;
  border: 2px solid rgba(201, 162, 39, 0.32);
}
.modal__stage .reel__hook { color: #fff; }
.modal__meta { flex: 1; min-width: 0; padding-top: 10px; }
.modal__meta .h4 { margin-bottom: 10px; }
.modal__x {
  position: absolute;
  top: 8px; right: 14px;
  font-size: 1.7rem;
  line-height: 1;
  color: var(--text-on-dark-muted);
  z-index: 6;
  transition: color 0.25s var(--ease), transform 0.25s var(--ease);
}
.modal__x:hover { color: var(--gold-400); transform: rotate(90deg); }
@media (max-width: 720px) {
  .modal__box { flex-direction: column; align-items: center; max-height: 92dvh; overflow-y: auto; }
  .modal__stage { width: min(62vw, 240px); }
  .modal__meta { text-align: center; }
}

/* ---------- 29. Utility ---------- */
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-xs { gap: 8px; } .gap-sm { gap: 14px; } .gap-md { gap: 22px; } .gap-lg { gap: 34px; }
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: 14px; } .mt-md { margin-top: 26px; } .mt-lg { margin-top: 44px; }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: 14px; } .mb-md { margin-bottom: 26px; } .mb-lg { margin-bottom: 44px; }
.w-100 { width: 100%; }
.relative { position: relative; }
.hide { display: none !important; }


/* ---------- 30. Taiji / Bagua decoration system ---------- */
/* 粗描边 + 太极八卦，用于替换原先偏细、显得单薄的线条装饰 */

/* 独立太极图形（可任意尺寸，颜色继承 currentColor 无法实现，故用两种预设） */
.taiji {
  display: block;
  width: var(--taiji, 96px);
  height: var(--taiji, 96px);
  flex: none;
}
.taiji svg { width: 100%; height: 100%; display: block; }

/* 通用大型水印装饰层：绝对定位，不参与交互 */
.deco {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  color: var(--gold-500);
  opacity: 0.14;
}
.deco svg { width: 100%; height: 100%; display: block; }
.deco--spin { animation: spin 180s linear infinite; }

/* 内页头右上角罗盘水印 */
.deco--pagehero {
  width: min(620px, 62vw);
  aspect-ratio: 1;
  right: -14%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.16;
}
/* CTA 区块四角太极 */
.deco--cta-a { width: 240px; height: 240px; left: -70px; top: -70px; opacity: 0.13; }
.deco--cta-b { width: 300px; height: 300px; right: -90px; bottom: -110px; opacity: 0.11; }
/* 页脚大罗盘 */
.deco--footer {
  width: min(760px, 96vw);
  aspect-ratio: 1;
  left: 50%;
  bottom: -56%;
  transform: translateX(-50%);
  opacity: 0.09;
}
/* 区块角落小太极点缀（用于内页头等位置） */
.taiji-badge {
  position: absolute;
  right: clamp(14px, 3vw, 30px);
  top: clamp(14px, 3vw, 30px);
  width: 44px; height: 44px;
  opacity: 0.45;
  pointer-events: none;
  z-index: 1;
}

/* 内页头需要为水印留出层级 */
.page-hero .wrap { position: relative; z-index: 2; }
.cta-band > * { position: relative; z-index: 1; }
.cta-band .deco { position: absolute; z-index: 0; }
.footer .wrap { position: relative; z-index: 2; }
.footer .deco { z-index: 0; }

/* 内页头/CTA 的太极八卦水印在窄屏收敛，避免遮挡文字 */
@media (max-width: 820px) {
  .deco--pagehero { opacity: 0.1; right: -34%; }
  .deco--cta-a, .deco--cta-b { opacity: 0.08; }
  .taiji-badge { display: none; }
}


/* ---------- 31. Fine-print chips ----------
   以下为极小尺寸的 UI 胶囊/方片，刻意保留 1px 描边：
   在这些尺寸下加粗会让它们看起来像按钮，反而失焦。 */

/* ---------- 32. Landing page（lesson-1.html） ----------
   单商品转化页专用样式：首屏报价区 + 购买盒 + 保证条 + 底部粘性购买条。
   全部沿用上面的设计变量，不引入新配色。 */

.lp-hero {
  position: relative;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-h) + clamp(38px, 6vw, 76px));
  padding-bottom: clamp(46px, 6vw, 84px);
  background: radial-gradient(ellipse 80% 62% at 42% 36%, #141b26 0%, var(--ink-900) 64%, #05070a 100%);
  overflow: hidden;
}
.lp-hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(30px, 4.6vw, 64px);
  align-items: center;
}
.lp-hero__flags { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 18px; }
.lp-hero__title { font-size: clamp(1.9rem, 4.1vw, 3rem); margin-bottom: 18px; }
.lp-hero__cta { display: flex; flex-wrap: wrap; gap: 13px; margin: 30px 0 22px; }
.lp-trust {
  display: flex; flex-wrap: wrap; gap: 10px 24px;
  padding-top: 20px;
  border-top: 2px solid rgba(201, 162, 39, 0.22);
}
.lp-trust span {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 0.74rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-on-dark-muted);
}
.lp-trust span::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--gold-500); box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.16);
  flex: none;
}

/* 右侧购买盒 */
.lp-buybox {
  position: relative;
  border: 2px solid rgba(201, 162, 39, 0.46);
  border-radius: var(--r-lg);
  background: linear-gradient(168deg, rgba(30, 37, 49, 0.94), rgba(11, 14, 20, 0.97));
  box-shadow: var(--shadow-lg);
  padding: clamp(24px, 3vw, 36px);
}
.lp-buybox__label {
  font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gold-600);
}
.lp-buybox__title { font-size: 1.1rem; margin: 10px 0 0; }
.lp-price { display: flex; align-items: baseline; gap: 12px; margin: 14px 0 4px; }
.lp-price__now {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5.4vw, 3.3rem);
  font-weight: 700; color: var(--gold-400); line-height: 1;
}
.lp-price__was { font-size: 1rem; color: var(--text-on-dark-muted); text-decoration: line-through; }
.lp-buybox__list {
  display: grid; gap: 11px;
  margin: 20px 0 22px; padding-top: 20px;
  border-top: 2px solid rgba(201, 162, 39, 0.2);
}
.lp-buybox__list li {
  display: grid; grid-template-columns: 18px 1fr; gap: 11px;
  font-size: 0.86rem; line-height: 1.6; color: var(--text-on-dark-muted);
}
.lp-buybox__list li::before { content: "✓"; color: var(--gold-500); font-size: 0.86rem; }
.lp-buybox .btn { width: 100%; }
.lp-buybox__meta {
  display: flex; justify-content: space-between; gap: 12px;
  margin: 18px 0 16px; padding: 14px 0;
  border-block: 2px solid rgba(201, 162, 39, 0.18);
  font-size: 0.78rem; color: var(--text-on-dark-muted);
}
.lp-buybox__meta b { display: block; font-family: var(--font-serif); font-size: 0.98rem; color: var(--text-on-dark); font-weight: 600; }

/* 保证条 */
.lp-guarantee {
  display: grid; grid-template-columns: auto 1fr;
  gap: clamp(16px, 2.4vw, 26px); align-items: start;
  padding: clamp(22px, 3vw, 32px);
  border: 2px solid rgba(201, 162, 39, 0.42);
  border-left-width: 6px;
  border-radius: var(--r-sm);
  background: rgba(201, 162, 39, 0.07);
}
.lp-guarantee__icon {
  width: 46px; height: 46px; display: grid; place-items: center;
  border: 2px solid rgba(201, 162, 39, 0.5); border-radius: 50%;
  color: var(--gold-400); flex: none;
}
.lp-guarantee h3 { font-size: 1.1rem; margin-bottom: 8px; }
.lp-guarantee p { margin: 0; font-size: 0.89rem; line-height: 1.78; color: var(--text-on-dark-muted); }
.section--paper .lp-guarantee, .section--paper-alt .lp-guarantee {
  border-color: rgba(164, 130, 28, 0.42);
  background: rgba(201, 162, 39, 0.1);
}
.section--paper .lp-guarantee p, .section--paper-alt .lp-guarantee p { color: var(--text-on-light-muted); }
.section--paper .lp-guarantee__icon, .section--paper-alt .lp-guarantee__icon { color: var(--gold-700); border-color: rgba(164, 130, 28, 0.5); }

/* 底部粘性购买条（滚过首屏后出现） */
.lp-sticky {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 880;
  display: none;
  align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px clamp(16px, 4vw, 34px);
  background: rgba(7, 9, 13, 0.95);
  border-top: 2px solid rgba(201, 162, 39, 0.45);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.lp-sticky.is-on { display: flex; }
.lp-sticky__meta { display: grid; gap: 3px; min-width: 0; }
.lp-sticky__price {
  font-family: var(--font-serif); font-size: 1.32rem; font-weight: 700;
  color: var(--gold-400); line-height: 1;
}
.lp-sticky__note {
  font-size: 0.72rem; letter-spacing: 0.04em;
  color: var(--text-on-dark-muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.lp-sticky .btn { flex: none; }
body.has-lp-sticky { padding-bottom: 76px; }

@media (max-width: 900px) {
  .lp-hero__grid { grid-template-columns: 1fr; }
  .lp-hero__cta .btn { width: 100%; }
}
@media (max-width: 560px) {
  .lp-sticky__note { display: none; }
  .lp-sticky .btn { padding-inline: 18px; }
  .lp-guarantee { grid-template-columns: 1fr; }
}

/* 首屏 .wrap 作为 flex 子项需要撑满，否则会缩成内容宽 */
.lp-hero > .wrap { width: 100%; }

/* 落地页窄屏防撑破：
   1) 栅格子项默认 min-width:auto，会被内部 nowrap 内容顶宽 → 显式归零；
   2) 按钮文案较长（尤其全大写 + 字距）时允许换行，否则会顶破栅格被 overflow-x:clip 静默裁掉；
   3) 购买盒的元信息行允许折行。 */
.lp-hero__grid > * { min-width: 0; }
.lp-hero__cta .btn,
.lp-buybox .btn,
.lp-sticky .btn { white-space: normal; text-align: center; }
.lp-buybox__meta { flex-wrap: wrap; }
.lp-trust span { white-space: normal; }

/* ---------- 33. Facebook landing page：自选课时（strategic-timing.html） ----------
   首屏与选课区合并在同一屏：左侧标题 + 课时卡片，右侧浮动订单面板（桌面端 sticky）。
   配色全部沿用上面的设计变量，不引入新色。 */

.pk-shop {
  position: relative;
  padding-top: calc(var(--nav-h) + clamp(26px, 3.6vw, 54px));
  padding-bottom: clamp(44px, 5.4vw, 84px);
  background: radial-gradient(ellipse 92% 58% at 28% 8%, #141b26 0%, var(--ink-900) 62%, #05070a 100%);
  overflow: hidden;
}
.pk-shop > .wrap { position: relative; z-index: 2; }
.pk-shop .bagua-bg { opacity: 0.055; }

.pk-shop__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.42fr) minmax(316px, 0.58fr);
  gap: clamp(26px, 3.4vw, 52px);
  align-items: start;
}
.pk-shop__main { min-width: 0; }
.pk-shop__side { position: sticky; top: calc(var(--nav-h) + 18px); min-width: 0; }

/* ---- 引导区 ---- */
.pk-intro__flags { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 18px; }
.pk-intro__title { font-size: clamp(1.85rem, 3.7vw, 2.9rem); margin-bottom: 16px; }
.pk-intro__cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 22px; }
.pk-intro__cta .btn { white-space: normal; text-align: center; }

/* ---- 阶梯价格快选 ---- */
.pk-pickhead { margin-top: clamp(30px, 3.6vw, 52px); }
.pk-pickhead h2 { font-size: clamp(1.35rem, 2.3vw, 1.9rem); margin: 6px 0 12px; }
.pk-pickhead p { font-size: 0.92rem; line-height: 1.78; color: var(--text-on-dark-muted); margin: 0; max-width: 62ch; }
.pk-tierhint { margin-top: 10px !important; font-size: 0.82rem !important; color: var(--gold-600) !important; }

.pk-tiers {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin: 20px 0 24px;
}
.pk-tier {
  display: grid;
  gap: 2px;
  justify-items: center;
  padding: 13px 5px 12px;
  border: 2px solid rgba(236, 231, 219, 0.14);
  border-radius: var(--r-sm);
  background: rgba(236, 231, 219, 0.03);
  color: var(--text-on-dark-muted);
  font: inherit;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}
.pk-tier b { font-family: var(--font-serif); font-size: 1.55rem; line-height: 1; color: var(--text-on-dark); }
.pk-tier span { font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; text-align: center; }
.pk-tier em { font-style: normal; font-size: 0.84rem; font-weight: 600; color: var(--gold-400); }
/* 该档赠送的咨询（短标签，窄屏会折行） */
.pk-tier__gift {
  font-style: normal;
  font-size: 0.58rem;
  line-height: 1.25;
  letter-spacing: 0.02em;
  text-align: center;
  color: var(--gold-600);
  margin-top: 1px;
  max-width: 100%;
  word-break: break-word;
}
.pk-tier.is-on .pk-tier__gift { color: var(--gold-400); }
/* 最超值那一档（tiers[].star） */
.pk-tier.is-star { position: relative; }
.pk-tier.is-star::after {
  content: "";
  position: absolute;
  top: 7px; right: 7px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold-500);
}
.pk-tier:hover { border-color: rgba(201, 162, 39, 0.5); color: var(--text-on-dark); }
.pk-tier.is-on { border-color: var(--gold-500); background: rgba(201, 162, 39, 0.15); color: var(--text-on-dark); box-shadow: var(--glow-gold); }

/* ---- 课时卡片 ---- */
#pk-lessons { display: grid; gap: 13px; }
.pk-card {
  position: relative;
  display: block;
  padding: clamp(18px, 2.1vw, 26px);
  padding-left: clamp(62px, 7vw, 78px);
  border: 2px solid rgba(236, 231, 219, 0.12);
  border-left-width: 6px;
  border-radius: var(--r-md);
  background: linear-gradient(170deg, rgba(30, 37, 49, 0.6), rgba(11, 14, 20, 0.74));
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}
.pk-card:hover { border-color: rgba(201, 162, 39, 0.44); transform: translateY(-2px); }
.pk-card.is-on {
  border-color: var(--gold-500);
  background: linear-gradient(170deg, rgba(201, 162, 39, 0.13), rgba(11, 14, 20, 0.82));
}

.pk-card__box { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.pk-card__tick {
  position: absolute;
  left: clamp(17px, 2.1vw, 24px);
  top: clamp(19px, 2.1vw, 25px);
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border: 2px solid rgba(236, 231, 219, 0.3);
  border-radius: 50%;
  color: transparent;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}
.pk-card.is-on .pk-card__tick { border-color: var(--gold-500); background: var(--gold-500); color: var(--ink-900); }
.pk-card__box:focus-visible + .pk-card__tick { outline: 2px solid var(--gold-400); outline-offset: 3px; }
.pk-card__glyph { display: none; }

.pk-card__no {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin-bottom: 7px;
}
.pk-card__title { font-size: 1.1rem; margin: 0 0 8px; color: var(--text-on-dark); }
.pk-card__blurb { font-size: 0.88rem; line-height: 1.72; color: var(--text-on-dark-muted); margin: 0 0 12px; }
.pk-card__points { display: grid; gap: 7px; margin: 0 0 14px; }
.pk-card__points li {
  display: grid;
  grid-template-columns: 6px 1fr;
  gap: 10px;
  font-size: 0.83rem;
  line-height: 1.6;
  color: var(--text-on-dark-muted);
}
.pk-card__points li::before {
  content: "";
  width: 6px; height: 6px; margin-top: 8px;
  border-radius: 50%;
  background: var(--gold-600);
}
.pk-card__pick { display: inline-flex; align-items: center; gap: 7px; font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold-600); }
.pk-card__pick-on { display: none; }
.pk-card.is-on .pk-card__pick-off { display: none; }
.pk-card.is-on .pk-card__pick-on { display: inline; color: var(--gold-400); }
.lang-zh .pk-card__pick { letter-spacing: 0.02em; }

/* ---- 订单面板 ---- */
.pk-panel {
  border: 2px solid rgba(201, 162, 39, 0.46);
  border-radius: var(--r-lg);
  background: linear-gradient(168deg, rgba(30, 37, 49, 0.95), rgba(11, 14, 20, 0.98));
  box-shadow: var(--shadow-lg);
  padding: clamp(22px, 2.5vw, 30px);
}
.pk-panel__eyebrow { font-size: 0.67rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold-600); }
.pk-panel__title { font-size: 1.16rem; margin: 8px 0 18px; }

.pk-lines { display: grid; margin: 0 0 14px; border-top: 2px solid rgba(201, 162, 39, 0.2); }
.pk-lines li { display: grid; gap: 2px; padding: 11px 0; border-bottom: 2px solid rgba(201, 162, 39, 0.1); }
.pk-lines li b { font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold-600); }
.pk-lines li span { font-size: 0.85rem; line-height: 1.55; color: var(--text-on-dark-muted); }
.pk-lines li.pk-line--gift b { color: var(--gold-400); }
.pk-lines li.pk-line--empty { padding: 15px 0; }
.lang-zh .pk-lines li b { letter-spacing: 0.04em; }

.pk-field { display: grid; gap: 6px; margin-bottom: 12px; }
.pk-field label { font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-on-dark-muted); }
.lang-zh .pk-field label { letter-spacing: 0.04em; }
.pk-input {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid rgba(236, 231, 219, 0.16);
  border-radius: var(--r-sm);
  background: rgba(7, 9, 13, 0.6);
  color: var(--text-on-dark);
  font: inherit;
  font-size: 0.92rem;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.pk-input:focus { outline: none; border-color: var(--gold-500); background: rgba(7, 9, 13, 0.86); }
.pk-input::placeholder { color: rgba(154, 160, 168, 0.6); }

/* ---- 本单赠送的一对一咨询（按选购节数阶梯赠送：文字/视频 × 30 分钟/1 小时） ---- */
.pk-gift {
  display: grid;
  gap: 5px;
  margin: 4px 0 0;
  padding: 13px 15px;
  border: 2px dashed rgba(201, 162, 39, 0.44);
  border-radius: var(--r-sm);
  background: rgba(201, 162, 39, 0.09);
}
.pk-gift.is-empty {
  border-style: solid;
  border-color: rgba(236, 231, 219, 0.14);
  background: rgba(236, 231, 219, 0.03);
}
.pk-gift__tag { font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold-400); }
.lang-zh .pk-gift__tag { letter-spacing: 0.06em; }
.pk-gift__val { font-size: 0.9rem; line-height: 1.55; color: var(--text-on-dark); }
.pk-gift.is-empty .pk-gift__tag { display: none; }
.pk-gift.is-empty .pk-gift__val { font-size: 0.82rem; color: var(--text-on-dark-muted); }
.pk-gift__note { font-size: 0.73rem; line-height: 1.5; color: var(--text-on-dark-muted); margin: 0; }

.pk-total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0 8px;
  border-top: 2px solid rgba(201, 162, 39, 0.24);
}
.pk-total__label { font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-on-dark-muted); }
.pk-total__val { font-family: var(--font-serif); font-size: 2.15rem; font-weight: 700; color: var(--gold-400); line-height: 1; }
.pk-meta { display: flex; flex-wrap: wrap; gap: 5px 16px; font-size: 0.76rem; color: var(--text-on-dark-muted); margin-bottom: 16px; }
.pk-meta del { color: rgba(154, 160, 168, 0.75); }
.pk-meta em { font-style: normal; color: var(--gold-400); font-weight: 600; }

.pk-pay { width: 100%; }
.pk-pay.is-off { opacity: 0.6; }
.pk-pay [data-pk-pay-amount]:not([hidden]) { margin-left: 7px; }
.pk-pay [data-pk-pay-amount][hidden] { display: none; }
.pk-note { font-size: 0.75rem; line-height: 1.66; color: var(--text-on-dark-muted); margin: 12px 0 0; }
.pk-fineprint { font-size: 0.72rem; line-height: 1.66; color: rgba(154, 160, 168, 0.85); margin: 10px 0 0; }

.pk-err {
  margin: 12px 0 0;
  padding: 10px 13px;
  border-left: 4px solid var(--cinnabar-500);
  border-radius: var(--r-sm);
  background: rgba(184, 52, 43, 0.15);
  font-size: 0.82rem;
  line-height: 1.6;
  color: #eaa49c;
}
.pk-err[hidden] { display: none; }

/* ---- 结账后 / 付款回跳面板 ---- */
.pk-after, .pk-paid {
  margin-top: 22px;
  padding: clamp(20px, 2.4vw, 28px);
  border: 2px solid rgba(201, 162, 39, 0.5);
  border-left-width: 6px;
  border-radius: var(--r-md);
  background: rgba(201, 162, 39, 0.08);
}
.pk-after[hidden], .pk-paid[hidden] { display: none; }
.pk-after h3, .pk-paid h3 { font-size: 1.1rem; margin: 0 0 6px; }
.pk-after p, .pk-paid p { font-size: 0.88rem; line-height: 1.74; color: var(--text-on-dark-muted); margin: 0 0 12px; }
.pk-after ol { display: grid; gap: 7px; margin: 0 0 16px; padding-left: 20px; }
.pk-after ol li { font-size: 0.86rem; line-height: 1.7; color: var(--text-on-dark-muted); }
.pk-code {
  display: inline-block;
  padding: 9px 15px;
  margin: 2px 0 14px;
  border: 2px dashed rgba(201, 162, 39, 0.5);
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--gold-400);
}
.pk-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.pk-nopop { font-size: 0.82rem; color: var(--text-on-dark-muted); margin: 12px 0 0; }
.pk-nopop a { color: var(--gold-400); text-decoration: underline; text-underline-offset: 3px; }

/* ---- 底部粘性结账条 ---- */
.pk-sticky {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 880;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 11px clamp(16px, 4vw, 34px);
  background: rgba(7, 9, 13, 0.96);
  border-top: 2px solid rgba(201, 162, 39, 0.45);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.pk-sticky.is-on { display: flex; }
.pk-sticky__meta { display: grid; gap: 3px; min-width: 0; }
.pk-sticky__price { font-family: var(--font-serif); font-size: 1.32rem; font-weight: 700; color: var(--gold-400); line-height: 1; }
.pk-sticky__note { font-size: 0.72rem; color: var(--text-on-dark-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pk-sticky .btn { flex: none; white-space: normal; text-align: center; }

/* ---- 响应式 ---- */
@media (max-width: 1040px) {
  .pk-shop__grid { grid-template-columns: 1fr; }
  .pk-shop__side { position: static; }
}
@media (max-width: 700px) {
  .pk-tier { padding: 10px 3px 9px; }
  .pk-tier b { font-size: 1.26rem; }
  .pk-tier span { font-size: 0.54rem; letter-spacing: 0.04em; }
  .pk-tier em { font-size: 0.75rem; }
  .pk-tier__gift { font-size: 0.53rem; }
  .pk-intro__cta .btn { width: 100%; }
}
@media (max-width: 560px) {
  .pk-tiers { gap: 6px; }
  .pk-card { padding-left: 60px; }
  .pk-card__tick { left: 15px; top: 19px; width: 26px; height: 26px; }
  .pk-sticky__note { display: none; }
  .pk-sticky .btn { padding-inline: 18px; }
}

/* 全选 / 清空 快捷按钮 */
.pk-quick { display: flex; flex-wrap: wrap; gap: 10px; margin: -8px 0 22px; }
.pk-quick .btn { white-space: normal; }
.pk-meta[hidden] { display: none; }

/* 课时编号/标题里的数字用等高数字（衬线字体默认旧式数字，读起来会掉一行） */
.pk-card__title, .pk-card__no, .pk-tier b, .pk-total__val, .pk-sticky__price {
  font-variant-numeric: lining-nums;
  font-feature-settings: "lnum" 1;
}

/* 窄屏：让「全选 / 清空」并排，省一行高度 */
@media (max-width: 620px) {
  .pk-quick { gap: 8px; }
  .pk-quick .btn { flex: 1 1 auto; padding: 9px 12px; font-size: 0.62rem; letter-spacing: 0.05em; }
}

/* @gen-cover-art:start —— 由 _tools/gen-cover-art.mjs 生成，请勿手改 */
/* ---------- §34 中国风装饰（毛笔八卦暗纹 / 毛笔云雷纹带） ---------- */

/* 封面底层：一枚毛笔画的八卦盘暗纹。压得很低，只作隐约的底子，不抢图标。 */
.course__cover::before {
  content: "";
  position: absolute;
  width: 132%;
  aspect-ratio: 1;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  opacity: 0.13;
  pointer-events: none;
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center / contain no-repeat;
}

/* 封面底沿：一条毛笔云雷纹带，给卡片一个「匾额」式的收口 */
.course__cover::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 12px;
  opacity: 0.42;
  pointer-events: none;
  background: url("data:image/svg+xml,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20width%3D'24'%20height%3D'12'%20viewBox%3D'0%200%2024%2012'%20fill%3D'%23c9a227'%3E%3Cpath%20d%3D'M0%2011.3L6.87%2010.87L6.8%202.8L11.26%202.74L11.33%2010.67L18.62%2010.62L18.55%202.55L24%202.7L24%201.3L17.45%201.45L17.38%209.38L12.67%209.33L12.74%201.26L5.2%201.2L5.13%209.13L0%208.7Z'%2F%3E%3C%2Fsvg%3E") repeat-x 0 center / 24px 12px;
}

/* 图标压在暗纹之上，并给一点金辉，避免实心图案显得闷 */
.course__art {
  position: relative;
  z-index: 1;
  color: var(--gold-400);
  filter: drop-shadow(0 6px 18px rgba(201, 162, 39, 0.35));
}
/* @gen-cover-art:end */


/* ============================================================
   33b. 落地页：免费一对一咨询强化（主卖点）
   ============================================================ */
.lp-free{
  display:flex; gap:14px; align-items:flex-start;
  margin:24px 0 6px; padding:17px 19px;
  border:2px solid var(--gold-600); border-radius:14px;
  background:linear-gradient(180deg, rgba(201,162,39,.13), rgba(201,162,39,.035));
}
.lp-free__ico{
  flex:0 0 auto; width:34px; height:34px; border-radius:50%;
  display:grid; place-items:center;
  background:var(--gold-600); color:#0b0d12;
}
.lp-free__ico svg{ width:19px; height:19px; }
.lp-free__body{ display:flex; flex-direction:column; gap:5px; }
.lp-free__body strong{ font-size:1.05rem; letter-spacing:.01em; line-height:1.35; }
.lp-free__body span{ font-size:.9rem; line-height:1.58; color:var(--text-on-dark-muted); }
#consult .num-card__num{ color:var(--gold-600); }
#consult .card__title{ color:var(--gold-600); }
@media (max-width:640px){
  .lp-free{ padding:15px 15px; gap:11px; }
  .lp-free__ico{ width:29px; height:29px; }
  .lp-free__ico svg{ width:16px; height:16px; }
}