/* =========================================================
   Linki — 模块复刻自 ollobot.com
   配色方案：深色 + 天蓝 Sky Blue（复刻 Ollobot 深色风）
   ========================================================= */
:root {
  /* 颜色 —— 奶油暖光 */
  --bg: #FBF7F0;            /* 奶油白底 */
  --surface: #FFFFFF;       /* 白卡片/浮层 */
  --surface-soft: #F2E9DC;  /* 暖米色次级底 */
  --text: #3D2B1F;          /* 咖啡棕主文字（暖近黑） */
  --text-secondary: #8A7866;/* 暖褐次文字 */
  --accent: #FF8E69;        /* 蜜桃点缀 */
  --accent-hover: #FF7A50;
  --accent-2: #7FB69A;      /* 鼠尾草绿副色 */
  --ink: #3D2B1F;           /* 咖啡棕（按钮/页脚） */
  --ink-text: #FBF7F0;      /* 咖啡上的奶油文字 */
  --accent-text: #FBF7F0;   /* 点缀色上的文字 */
  --warm: #FFC98A;          /* 暖琥珀（motif 眼睛） */
  --border: rgba(61,43,31,.12);       /* 暖调描边 */
  --border-strong: rgba(61,43,31,.20);
  --hero-bg: #EFE6D8;
  /* 冷壳区（产品图/技术规格的冷反差） */
  --cold-bg: #141518;
  --cold-surface: #1E2024;
  --cold-text: #F3F5F8;
  --cold-text-secondary: #A9B0B8;
  --cold-accent: #5AB8FF;
  --cold-border: rgba(255,255,255,.10);

  /* 排版 */
  --font: "Noto Sans SC", -apple-system, "PingFang SC", sans-serif;
  --font-display: "Poppins", "Noto Sans SC", -apple-system, sans-serif;
  --h0: clamp(40px, 6vw, 64px);
  --h1: clamp(32px, 4.5vw, 48px);
  --h2: clamp(26px, 3.5vw, 40px);
  --h3: clamp(20px, 2.4vw, 26px);
  --text-base: clamp(14px, 1.1vw, 16px);

  /* 尺寸 */
  --container: 1200px;
  --radius: 24px;
  --radius-sharp: 16px;     /* 产品图框（暖化后更圆润） */
  --radius-pill: 60px;
  --btn-h: 54px;
  --header-h: 68px;

  /* 阴影（棕调柔和） */
  --shadow-soft: 0 10px 30px rgba(61,43,31,.10);
  --shadow-card: 0 16px 44px rgba(61,43,31,.14);

  /* 动效（慢陪伴） */
  --ease: cubic-bezier(0.26, 1, 0.48, 1);
}

/* =========================================================
   基础 Reset
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: -0.01em; line-height: 1.2; font-weight: 600; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* =========================================================
   按钮 Buttons
   ========================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: var(--btn-h); padding: 0 32px;
  border-radius: var(--radius-pill);
  font-weight: 600; font-size: 15px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn--accent { background: var(--ink); color: var(--ink-text); box-shadow: 0 8px 22px rgba(61,43,31,.18); }
.btn--accent:hover { background: #4E382A; box-shadow: 0 12px 28px rgba(61,43,31,.24); }
.btn--ghost { border: 1.5px solid var(--border-strong); color: var(--text); }
.btn--ghost:hover { border-color: var(--ink); background: rgba(61,43,31,.04); }
.btn--block { width: 100%; }

/* =========================================================
   公告条 Announcement
   ========================================================= */
.announcement {
  height: 38px; overflow: hidden;
  background: var(--surface-soft); border-bottom: 1px solid var(--border);
}
.announcement__track {
  display: flex; align-items: center; width: max-content; height: 100%;
  animation: marquee 40s linear infinite;
}
.announcement__set {
  display: flex; align-items: center; gap: 28px;
  width: max-content; height: 100%; padding-right: 28px;
}
.announcement__set img { width: 24px; height: 24px; flex: 0 0 24px; filter: drop-shadow(0 2px 2px rgba(61,43,31,.08)); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* =========================================================
   顶部导航 Header
   ========================================================= */
.header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(251,247,240,.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background .3s var(--ease), box-shadow .3s var(--ease);
}
.header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.header__logo { display: inline-flex; align-items: center; gap: 9px; color: var(--text); }
.brand-mark {
  width: 26px; height: 26px; flex-shrink: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7.5 6 Q7 3.6 9 3.6 Q10.6 3.6 10.6 6' fill='none' stroke='%23FF8E69' stroke-width='1.6'/%3E%3Cpath d='M16.5 6 Q17 3.6 15 3.6 Q13.4 3.6 13.4 6' fill='none' stroke='%23FF8E69' stroke-width='1.6'/%3E%3Crect x='4.6' y='5.6' width='14.8' height='13.4' rx='4.2' fill='none' stroke='%23FF8E69' stroke-width='1.6'/%3E%3Ccircle cx='9.7' cy='12.6' r='1.5' fill='%23FFC98A'/%3E%3Ccircle cx='14.3' cy='12.6' r='1.5' fill='%23FFC98A'/%3E%3C/svg%3E") no-repeat center / contain;
}
.brand-word { font-family: var(--font-display); font-size: 22px; font-weight: 700; letter-spacing: -0.01em; }
.nav { display: flex; align-items: center; gap: 32px; }
.nav__links { display: flex; gap: 32px; }
.nav__extra { display: flex; align-items: center; gap: 12px; }
.nav__link { position: relative; font-weight: 500; color: var(--text-secondary); transition: color .2s; }
.nav__link:hover { color: var(--text); }
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--accent); transition: width .25s var(--ease);
}
.nav__link:hover::after { width: 100%; }
.nav__cta { height: 38px; padding: 0 20px; font-size: 13px; }

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

.lang-toggle {
  height: 38px; padding: 0 16px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--border-strong);
  font-weight: 600; font-size: 13px;
  color: var(--text);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.lang-toggle:hover { border-color: var(--ink); background: rgba(61,43,31,.04); }

.hamburger { display: none; flex-direction: column; gap: 5px; width: 42px; height: 42px; align-items: center; justify-content: center; }
.hamburger span { width: 22px; height: 2px; background: var(--text); transition: .3s var(--ease); }
.hamburger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  height: 100vh; min-height: 620px; max-height: 900px;
  display: flex; align-items: flex-end;
  background: var(--hero-bg); overflow: hidden;
}
.hero__poster,
.hero__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero__poster { z-index: 0; }
.hero__video {
  z-index: 1; opacity: 0;
  transition: opacity .65s var(--ease);
}
.hero__video.is-ready { opacity: 1; }
.hero__scrim {
  position: absolute; z-index: 2; inset: 0;
  background:
    linear-gradient(90deg, rgba(9,10,12,.78) 0%, rgba(9,10,12,.30) 42%, rgba(9,10,12,0) 68%),
    linear-gradient(0deg, rgba(9,10,12,.85) 0%, rgba(9,10,12,0) 45%);
}
.hero__content {
  position: relative; z-index: 3; text-align: left;
  width: min(32vw, 430px); max-width: calc(100% - 48px);
  margin: 0 auto 0 max(24px, calc((100vw - var(--container)) / 2 + 24px));
  padding: 0 0 clamp(56px, 9vh, 112px);
  color: #FBF7F0;
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 20px;
  font-size: 13px; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; color: var(--accent);
}
.hero__title { font-size: clamp(40px, 5.4vw, 58px); line-height: 1.1; margin-bottom: 22px; text-shadow: 0 2px 24px rgba(0,0,0,.35); }
.hero__sub { font-size: clamp(16px, 1.4vw, 19px); color: rgba(251,247,240,.85); max-width: 520px; margin-bottom: 36px; }
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__cta .btn--ghost {
  border-color: rgba(251, 247, 240, 0.45);
  color: #FBF7F0;
}
.hero__cta .btn--ghost:hover {
  border-color: #FBF7F0;
  background: rgba(251, 247, 240, 0.1);
}

/* =========================================================
   三大特性 Highlights
   ========================================================= */
.highlights { padding: clamp(72px, 10vw, 128px) 0; }
.highlights__grid {
  display: grid;
}
.highlight {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr);
  align-items: center;
  padding: clamp(56px, 8vw, 104px) 0;
}
.highlight + .highlight { border-top: 1px solid var(--border); }

/* 图片区（预留放图，替换 <img> 即可） */
.highlight__media {
  position: relative; aspect-ratio: 4/3; max-height: 420px; overflow: hidden;
  border-radius: var(--radius-sharp);
}
.highlight__media img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
}
.highlight__video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
}
.highlight__media--1 { background: linear-gradient(160deg, #1E2730, #141518); }
.highlight__media--2 { background: linear-gradient(160deg, #26313D, #141518); }
.highlight__media--3 { background: linear-gradient(160deg, #202A34, #141518); }
.highlight__media--4 { background: linear-gradient(160deg, #2A333D, #141518); }
.highlight__media--5 { background: linear-gradient(160deg, rgba(90,184,255,.18), #141518); }
.highlight__ph {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.35); font-size: 13px; font-weight: 500; letter-spacing: .02em;
}
.highlight__badge {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  width: 44px; height: 44px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(30,32,36,.75); backdrop-filter: blur(6px);
  box-shadow: 0 4px 12px rgba(0,0,0,.4);
  color: var(--accent);
}

.highlight__body {
  display: flex; flex-direction: column; justify-content: center;
  padding: 12px clamp(32px, 6vw, 100px);
}
.highlight__body h3 { font-size: clamp(24px, 2.2vw, 34px); margin-bottom: 16px; }
.highlight__body p { max-width: 30rem; font-size: 16px; line-height: 1.8; color: var(--text-secondary); }
.feature-kicker { color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .16em; margin-bottom: 20px; }
.highlight__details { display: grid; gap: 8px; margin-top: 28px; max-width: 30rem; }
.highlight__details div { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--border); padding-top: 9px; font-size: 13px; }
.highlight__details dt { color: var(--text-secondary); }
.highlight__details dd { font-weight: 600; }
.highlight--seasons { display: block; padding: clamp(32px, 6vw, 72px) 0; }
.highlight--seasons .highlight__media { min-height: clamp(440px, 52vw, 640px); max-height: none; aspect-ratio: auto; }
.highlight--seasons .highlight__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(19,14,11,.72), rgba(19,14,11,.08) 70%); }
.highlight__season-copy { position: absolute; z-index: 1; left: clamp(28px, 6vw, 84px); bottom: clamp(32px, 7vw, 84px); max-width: 500px; color: var(--ink-text); }
.highlight__season-copy .feature-kicker { color: var(--warm); }
.highlight__season-copy h3 { font-size: clamp(30px, 4vw, 48px); margin-bottom: 16px; }
.highlight__season-copy p { color: rgba(251,247,240,.82); font-size: 17px; }
.highlight--touch { grid-template-columns: minmax(280px, .78fr) minmax(0, 1.22fr); }
.highlight--touch .highlight__body { padding-left: 0; }
.highlight__note { margin-top: 22px; color: var(--text) !important; font-weight: 600; }

/* 04 / 磁吸模块抽卡卡牌轮盘：铺满整行、居中、更大展示区 */
.highlight--modules { display: block; padding: clamp(40px, 6vw, 76px) 0; }
.highlight--modules .highlight__body { align-items: center; text-align: center; padding: 0 clamp(20px, 4vw, 48px) clamp(12px, 2vw, 20px); }
.highlight--modules .highlight__body p { max-width: 34rem; margin: 0 auto; }
.highlight--modules .ear-fan { max-width: 1040px; margin: 0 auto; }

.module-showcase {
  border-top: 1px solid var(--border);
  padding: clamp(56px, 8vw, 104px) 0 8px;
}
.module-showcase__toolbar {
  position: relative; display: flex; align-items: center; justify-content: center;
  gap: 24px; margin-bottom: 18px;
}
.module-showcase__controls { position: absolute; right: 0; display: flex; gap: 8px; }
.module-showcase__control {
  width: 40px; height: 40px; display: grid; place-items: center;
  border: 1px solid var(--border); border-radius: 50%;
  transition: color .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
}
.module-showcase__control:hover { color: var(--accent-text); background: var(--accent); border-color: var(--accent); }
.module-showcase__rail {
  display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory;
  scroll-behavior: smooth; scrollbar-width: none; -webkit-overflow-scrolling: touch;
}
.module-showcase__rail::-webkit-scrollbar { display: none; }
.module-showcase__slide {
  flex: 0 0 auto; scroll-snap-align: start;
  overflow: hidden; border-radius: var(--radius-sharp); background: #F7F7F5;
  box-shadow: var(--shadow-card);
}
.module-showcase__slide img { height: clamp(300px, 40vw, 460px); width: auto; display: block; object-fit: cover; }
.module-showcase__body { max-width: 660px; margin: 0 auto; padding: 32px 0 4px; text-align: center; }
.module-showcase__body h3 { font-size: var(--h3); margin-bottom: 12px; }
.module-showcase__body p { color: var(--text-secondary); }

/* =========================================================
   技术规格 Specs（datasheet）
   ========================================================= */
/* 冷壳区：深色圆角卡片，与暖奶油页面形成冷科技反差 */
.specs { padding: clamp(24px, 4vw, 56px) 0; }
.specs .container {
  background: var(--cold-bg);
  color: var(--cold-text);
  border-radius: 32px;
  padding: clamp(48px, 6vw, 84px) clamp(28px, 5vw, 64px);
}
.specs .section-title { color: var(--cold-text); }
.specs__grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--cold-border);
  border: 1px solid var(--cold-border); border-radius: var(--radius-sharp);
  overflow: hidden;
}
.spec {
  background: var(--cold-surface);
  padding: clamp(28px, 3vw, 44px);
  display: flex; flex-direction: column; gap: 14px;
}
.spec__no {
  font-size: 12px; font-weight: 700; letter-spacing: .22em;
  color: var(--cold-accent); font-variant-numeric: tabular-nums;
}
.spec h3 { font-size: clamp(20px, 2vw, 26px); color: var(--cold-text); }
.spec p { color: var(--cold-text-secondary); font-size: 15px; line-height: 1.75; }
.spec__meta {
  margin-top: auto; display: flex; flex-direction: column; gap: 8px;
  padding-top: 16px; border-top: 1px dashed var(--cold-border);
}
.spec__meta div { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; }
.spec__meta dt { color: var(--cold-text-secondary); letter-spacing: .04em; }
.spec__meta dd { color: var(--cold-text); font-weight: 500; }

/* =========================================================
   磁吸模块 抽卡卡牌轮盘
   ========================================================= */
.ear-fan { display: flex; flex-direction: column; align-items: center; width: 100%; margin-top: 8px; }
.ear-fan__stage {
  position: relative; width: 100%;
  height: clamp(300px, 35vw, 420px);
  isolation: isolate; touch-action: manipulation;
}
.ear-fan__card {
  position: absolute; top: 50%; left: 50%; margin: 0; padding: 0;
  width: clamp(184px, 19.5vw, 246px); aspect-ratio: 3/4;
  border: 1px solid var(--border); border-radius: var(--radius-sharp);
  background: var(--surface); box-shadow: var(--shadow-card);
  overflow: hidden; cursor: pointer; transform-origin: 50% 130%;
  transition: transform .5s var(--ease), opacity .35s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.ear-fan__card img {
  display: block;
  width: 92%;
  height: 76%;
  margin: 4% auto 0;
  border-radius: calc(var(--radius-sharp) - 10px);
  object-fit: cover;
  object-position: 62% center;
}
.ear-fan__label {
  display: block; height: 20%; display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 600; color: var(--text); background: var(--surface);
}
.ear-fan__card.is-active {
  border-color: transparent;
  box-shadow: 0 24px 48px rgba(61,43,31,.22);
}
.ear-fan__card.is-active::before {
  content: "";
  position: absolute; inset: 0; z-index: 1;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(to bottom, var(--accent) 0%, rgba(255,142,105,0) 78%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.ear-fan__hint { margin-top: 8px; font-size: 13px; color: var(--text-secondary); }

@media (max-width: 640px) {
  .ear-fan__stage { height: clamp(250px, 58vw, 320px); }
  .ear-fan__card { width: clamp(140px, 34vw, 180px); }
}

.section-head { max-width: 760px; margin-bottom: clamp(40px, 6vw, 72px); }
.section-head--intro { max-width: none; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(260px, .7fr); gap: 48px; align-items: end; }
.section-head__copy { max-width: 32rem; color: var(--text-secondary); font-size: 16px; line-height: 1.85; padding-bottom: 4px; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 16px;
  font-size: 13px; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; color: var(--accent);
}
.section-eyebrow::before, .hero__eyebrow::before {
  content: ""; width: 18px; height: 18px; flex-shrink: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7.5 6 Q7 3.6 9 3.6 Q10.6 3.6 10.6 6' fill='none' stroke='%23FF8E69' stroke-width='1.6'/%3E%3Cpath d='M16.5 6 Q17 3.6 15 3.6 Q13.4 3.6 13.4 6' fill='none' stroke='%23FF8E69' stroke-width='1.6'/%3E%3Crect x='4.6' y='5.6' width='14.8' height='13.4' rx='4.2' fill='none' stroke='%23FF8E69' stroke-width='1.6'/%3E%3Ccircle cx='9.7' cy='12.6' r='1.5' fill='%23FFC98A'/%3E%3Ccircle cx='14.3' cy='12.6' r='1.5' fill='%23FFC98A'/%3E%3C/svg%3E") no-repeat center / contain;
}
.section-title { font-size: var(--h2); }
.section-head .section-title { margin-bottom: 0; }

/* =========================================================
   手风琴特性 Feature
   ========================================================= */
.feature { padding: clamp(72px, 10vw, 128px) 0; }
.feature__head { max-width: 760px; margin-bottom: clamp(40px, 6vw, 72px); }
.feature__head .section-title { margin-bottom: 16px; }
.feature__lead { color: var(--text-secondary); max-width: 560px; font-size: 18px; }
.feature__grid { display: grid; grid-template-columns: 5fr 4fr; gap: 56px; align-items: center; }
.feature__visual { position: relative; aspect-ratio: 1/1; border-radius: var(--radius-sharp); overflow: hidden; box-shadow: var(--shadow-card); }
.feature__img { position: absolute; inset: 0; opacity: 0; transition: opacity .3s var(--ease); }
.feature__img.is-active { opacity: 1; }
.feature__img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.feature__ph { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.35); font-size: 14px; font-weight: 500; }
.feature__img[data-panel="0"] { background: linear-gradient(160deg, #232A33, #141518); }
.feature__img[data-panel="1"] { background: linear-gradient(160deg, rgba(90,184,255,.18), #141518); }
.feature__img[data-panel="2"] { background: linear-gradient(160deg, #2A333D, #141518); }
.feature__img[data-panel="3"] { background: linear-gradient(160deg, #1E2730, #141518); }

.accordion__item { border-bottom: 1px solid var(--border); opacity: .55; transition: opacity .3s var(--ease); }
.accordion__item.is-open { opacity: 1; }
.accordion__head { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 24px 0; font-size: var(--h3); font-weight: 600; text-align: left; }
.chevron { width: 12px; height: 12px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); transition: transform .5s var(--ease); flex-shrink: 0; }
.accordion__item.is-open .chevron { transform: rotate(-135deg); color: var(--accent); }
.accordion__panel { max-height: 0; overflow: hidden; transition: max-height .5s var(--ease); }
.accordion__item.is-open .accordion__panel { max-height: 240px; }
.accordion__panel p { padding-bottom: 24px; color: var(--text-secondary); }

/* =========================================================
   订阅 Newsletter
   ========================================================= */
.newsletter { padding: 96px 0; text-align: center; }
.newsletter__inner { background: var(--surface-soft); border-radius: var(--radius); padding: 64px 24px; }
.newsletter__inner h2 { font-size: var(--h2); margin-bottom: 12px; }
.newsletter__inner > p { color: var(--text-secondary); margin: 0 auto 32px; max-width: 560px; }
.success-page {
  min-height: calc(100vh - var(--header-h) - 38px);
  display: flex;
  align-items: center;
  padding: clamp(16px, 2.4vw, 30px) 0;
  background:
    radial-gradient(circle at 18% 14%, rgba(255, 201, 138, .28), transparent 30%),
    radial-gradient(circle at 84% 24%, rgba(127, 182, 154, .18), transparent 28%),
    var(--bg);
}
.success-page .container { max-width: 1280px; }
.success-body .footer { display: none; }
.success-hero {
  max-width: 820px;
  margin: 0 auto clamp(14px, 2vw, 22px);
  text-align: center;
}
.success-hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  margin-bottom: 8px;
  color: var(--accent); font-size: 11px; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
}
.success-hero__eyebrow::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 6px rgba(255, 142, 105, .12);
}
.success-hero h1 {
  max-width: 17ch; margin: 0 auto 10px;
  font-size: clamp(34px, 4.2vw, 58px);
  line-height: 1.02; letter-spacing: -.045em;
}
.success-hero p {
  max-width: 700px; margin: 0 auto;
  color: var(--text-secondary); font-size: clamp(13px, 1.05vw, 15px); line-height: 1.45;
}
.community-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 24px);
}
.community-card {
  position: relative; display: flex; flex-direction: column;
  min-height: 284px; padding: clamp(18px, 2.2vw, 26px);
  overflow: hidden; border-radius: 22px; border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.64)),
    var(--surface);
  box-shadow: 0 14px 42px rgba(61, 43, 31, .09);
}
.community-card::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 4px;
  background: linear-gradient(90deg, var(--accent), rgba(127, 182, 154, .72));
}
.community-card::after {
  content: ""; position: absolute; right: -56px; bottom: -68px;
  width: 170px; height: 170px; border-radius: 50%;
  background: rgba(255, 201, 138, .18); pointer-events: none;
}
.community-card--discord::before {
  background: linear-gradient(90deg, #7C6FBC, rgba(90, 184, 255, .76));
}
.community-card--discord::after { background: rgba(124, 111, 188, .12); }
.community-card__icon {
  width: 42px; height: 42px; display: grid; place-items: center;
  border-radius: 50%; color: var(--text-secondary);
  background: rgba(61,43,31,.07); margin-bottom: 10px;
}
.community-card--facebook .community-card__icon { color: #7C6259; }
.community-card--discord .community-card__icon { color: #6B629D; }
.community-card__label {
  color: var(--accent); font-size: 10px; font-weight: 700;
  letter-spacing: .15em; text-transform: uppercase; margin-bottom: 6px;
}
.community-card--discord .community-card__label { color: #6B629D; }
.community-card h2 { font-size: clamp(23px, 2.35vw, 31px); margin-bottom: 7px; letter-spacing: -.035em; }
.community-card p {
  max-width: 560px; color: var(--text-secondary);
  font-size: 13px; line-height: 1.42; margin-bottom: 10px;
}
.community-card__list {
  display: grid; gap: 5px; margin: 0 0 12px; padding: 0; list-style: none;
}
.community-card__list li {
  position: relative; padding-left: 25px;
  color: var(--text-secondary); font-size: 13px; line-height: 1.3;
}
.community-card__list li::before {
  content: ""; position: absolute; left: 0; top: .18em;
  width: 16px; height: 16px; border-radius: 50%;
  background:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='m7.5 12.4 3 3.1 6.2-7' fill='none' stroke='%23FBF7F0' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 11px 11px no-repeat,
    #7C6259;
}
.community-card--discord .community-card__list li::before { background-color: #6B629D; }
.community-card__cta {
  align-self: flex-start; min-height: 40px; padding: 0 20px;
  margin-top: auto; position: relative; z-index: 1; font-size: 14px;
}
.success__home {
  display: table; margin: 10px auto 0;
  color: var(--text-secondary); font-size: 13px; font-weight: 600; text-decoration: underline;
  text-underline-offset: 5px;
}
.newsletter__form {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px; max-width: 760px; margin: 0 auto; text-align: left;
}
.form-field { display: grid; gap: 8px; font-size: 14px; font-weight: 600; color: var(--text); }
.form-field--wide,
.newsletter__submit { grid-column: 1 / -1; }
.newsletter__form input,
.newsletter__form select,
.newsletter__form textarea {
  width: 100%; min-height: var(--btn-h); padding: 0 18px;
  border-radius: 16px; border: 1.5px solid var(--border);
  background: var(--surface); color: var(--text); font-size: 15px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.newsletter__form textarea {
  min-height: 120px; padding: 14px 18px; resize: vertical; line-height: 1.6;
}
.newsletter__form select {
  appearance: none;
  padding-right: 46px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='m5.5 7.5 4.5 4.5 4.5-4.5' fill='none' stroke='%23806f61' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 18px;
}
.newsletter__form input::placeholder,
.newsletter__form textarea::placeholder { color: var(--text-secondary); }
.newsletter__form input:focus,
.newsletter__form select:focus,
.newsletter__form textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(255,142,105,.16);
}
.form-features {
  border: 1.5px solid var(--border); border-radius: 16px; padding: 18px 20px; margin: 0;
}
.form-features legend { padding: 0; font-size: 14px; font-weight: 600; color: var(--text); }
.form-features__helper { margin: 4px 0 14px; font-size: 13px; font-weight: 400; color: var(--text-secondary); }
.form-features__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 16px; }
.form-features__option {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; font-weight: 400; color: var(--text); cursor: pointer;
}
.form-features__option input { width: 16px; height: 16px; accent-color: var(--accent); flex-shrink: 0; }
.newsletter__submit {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding-top: 6px;
}
.form-status {
  min-height: 24px; margin: 0; color: var(--accent-2); font-size: 14px; font-weight: 600;
}
.form-status.is-error { color: #B45A4F; }
.honeypot {
  position: absolute; left: -9999px; width: 1px !important; height: 1px !important;
  opacity: 0; pointer-events: none;
}

/* =========================================================
   页脚 Footer
   ========================================================= */
.footer { background: var(--ink); color: var(--ink-text); padding: 72px 0 28px; }
.footer .brand-word { color: var(--ink-text); }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer__brand p { color: rgba(251,247,240,.66); margin-top: 12px; }
.footer__col h3 { margin-bottom: 16px; font-size: 15px; color: var(--ink-text); }
.footer__col a { display: block; color: rgba(251,247,240,.66); margin-bottom: 10px; transition: color .2s; }
.footer__col a:hover { color: var(--accent); }
.footer__social { display: flex; gap: 12px; }
.footer__social a {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(251,247,240,.24); font-size: 12px; font-weight: 600; margin: 0;
}
.footer__social a:hover { border-color: var(--accent); color: var(--accent); }
.footer__social a svg { width: 18px; height: 18px; }
.footer__bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(251,247,240,.16); text-align: center; color: rgba(251,247,240,.55); font-size: 13px; }

/* =========================================================
   滚动揭示动画 Reveal
   ========================================================= */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* =========================================================
   响应式 Responsive
   ========================================================= */
@media (max-width: 900px) {
  .nav { display: none; }
  .hamburger { display: flex; }
  .nav.is-open {
    display: flex; flex-direction: column; align-items: stretch; gap: 0;
    position: fixed; top: var(--header-h); left: 0; right: 0;
    background: var(--bg); padding: 16px 24px;
    border-bottom: 1px solid var(--border);
  }
  .nav.is-open .nav__links { flex-direction: column; gap: 0; }
  .nav.is-open .nav__link { padding: 14px 0; border-bottom: 1px solid var(--border); }
  .nav.is-open .nav__extra { flex-direction: column; align-items: stretch; gap: 10px; padding-top: 14px; }
  .nav.is-open .nav__cta,
  .nav.is-open .lang-toggle { width: 100%; }
  .community-grid { grid-template-columns: 1fr; }
  .community-card { min-height: 0; }
  .feature__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .hero {
    min-height: 660px;
  }
  .hero__video {
    object-position: 50% center;
  }
  .hero__scrim {
    background:
      linear-gradient(90deg, rgba(9,10,12,.90) 0%, rgba(9,10,12,.68) 48%, rgba(9,10,12,.16) 76%),
      linear-gradient(0deg, rgba(9,10,12,.92) 0%, rgba(9,10,12,.26) 58%, rgba(9,10,12,0) 100%);
  }
  .hero__content {
    width: min(52vw, 198px);
    max-width: 198px;
    margin: 0 24px;
    padding-bottom: clamp(34px, 8vh, 72px);
  }
  .hero__eyebrow { margin-bottom: 14px; font-size: 12px; letter-spacing: .12em; }
  .hero__title { font-size: clamp(30px, 8.9vw, 36px); line-height: 1.08; margin-bottom: 18px; }
  .hero__sub { font-size: 14px; line-height: 1.75; max-width: 198px; margin-bottom: 26px; }
  html[lang="en"] .hero__content {
    width: min(64vw, 250px);
    max-width: 250px;
  }
  html[lang="en"] .hero__title { font-size: clamp(30px, 7.8vw, 34px); }
  html[lang="en"] .hero__sub { max-width: 250px; }
  .highlight,
  .highlight:nth-child(n) { grid-template-columns: 1fr; padding: 36px 0; }
  .highlight__media { aspect-ratio: 4/3; }
  .highlight__body { padding: 28px 8px 0; }
  .highlight--seasons { padding: 36px 0; }
  .highlight--seasons .highlight__media { min-height: 520px; aspect-ratio: auto; }
  .highlight__season-copy { left: 24px; right: 24px; bottom: 32px; }
  .highlight__season-copy p { font-size: 16px; }
  .highlight--touch .highlight__body { padding-left: 8px; }
  .module-showcase__body { padding-top: 24px; }
  .specs__grid { grid-template-columns: 1fr; }
  .section-head--intro { grid-template-columns: 1fr; gap: 18px; }
  .success-page { display: block; padding: 28px 0 42px; }
  .success-page .container { overflow: hidden; }
  .success-hero { text-align: center; margin-bottom: 22px; }
  .success-hero h1 {
    max-width: 13ch;
    font-size: clamp(30px, 9vw, 38px);
    overflow-wrap: normal;
  }
  .success-hero p { width: min(100%, 32ch); font-size: 14px; }
  .community-grid { gap: 14px; }
  .community-card { padding: 22px 18px; border-radius: 20px; }
  .success-hero p,
  .community-card p,
  .community-card__list li { max-width: 100%; overflow-wrap: anywhere; }
  .community-card p { width: min(100%, 34ch); }
  .community-card__icon { width: 40px; height: 40px; margin-bottom: 10px; }
  .community-card h2 { font-size: 25px; }
  .community-card__cta { width: 100%; }
}
@media (max-width: 520px) {
  .newsletter__form { grid-template-columns: 1fr; }
  .newsletter__form input,
  .newsletter__form select,
  .newsletter__form textarea { width: 100%; }
  .newsletter__submit .btn { width: 100%; }
  .form-features__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
}

/* =========================================================
   减少动效偏好 Reduced Motion
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .announcement__track { animation: none; padding-left: 24px; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .accordion__panel { transition: none; }
}