/* ==========================================================================
   SPIDER-MAN · 蜘蛛侠｜纵横宇宙
   电影级动态官网样式
   --------------------------------------------------------------------------
   目录
   00 变量 / 重置
   01 背景舞台 · 颗粒 · 扫描线 · 光标
   02 载入幕
   03 导航
   04 首页 Hero
   05 跑马灯
   06 通用区块
   07 英雄（三代同框）
   08 引言
   09 战衣
   10 观影
   11 页脚
   12 响应式
   ========================================================================== */

/* ------------------------------ 00 变量 / 重置 ------------------------------ */
:root {
  --red: #e62429;
  --red-2: #ff3b40;
  --crimson: #8a0410;
  --blue: #2f6bff;
  --cyan: #19e3ff;
  --violet: #8b5cf6;

  --ink: #05060a;
  --ink-2: #090b12;
  --ink-3: #10131d;
  --paper: #f2f3f7;
  --ash: #9aa1b2;
  --ash-2: #6b7285;

  --line: rgba(255, 255, 255, 0.09);
  --line-2: rgba(255, 255, 255, 0.16);

  --font-display: "Impact", "Haettenschweiler", "Arial Narrow Bold", "Franklin Gothic Bold",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "HarmonyOS Sans SC", "MiSans",
    "Microsoft YaHei UI", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", system-ui,
    -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", "Cascadia Mono", Consolas, "Liberation Mono",
    monospace;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun",
    "Times New Roman", serif;

  --nav-h: 84px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-2: cubic-bezier(0.65, 0, 0.35, 1);
  --maxw: 1280px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 10px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.is-booting {
  overflow: hidden;
}

img {
  max-width: 100%;
  display: block;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

ul,
ol,
dl,
dd,
figure,
blockquote {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: 0.01em;
}

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

.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* 精细设备才隐藏系统光标 */
@media (pointer: fine) {
  body.has-cursor,
  body.has-cursor a,
  body.has-cursor button {
    cursor: none;
  }
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  padding: 10px 16px;
  background: var(--red);
  color: #fff;
}
.skip:focus {
  left: 12px;
  top: 12px;
}

/* ------------------------------ 01 背景舞台 ------------------------------ */
.stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: radial-gradient(120% 90% at 50% 20%, #12070b 0%, #05060a 60%, #020204 100%);
}

.stage__slide {
  position: absolute;
  inset: 0;
  background-color: #0a0b12;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  opacity: 0;
  transition: opacity 1.2s ease;
  z-index: 0;
}

/* 当前这张：唯一可见 */
.stage__slide.is-active {
  opacity: 1;
  z-index: 1;
}

/* 每张图自带一层红色调色，不再单独用 ::after（避免遮挡） */
.stage__slide {
  background-blend-mode: normal;
}

.stage__slide.is-active {
  opacity: 1;
  animation: kenburns 9s ease-out forwards;
}

@keyframes kenburns {
  from {
    transform: scale(1.06) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.16) translate3d(-1.4%, -1.6%, 0);
  }
}

.stage__tint {
  position: absolute;
  inset: 0;
  background: linear-gradient(
      180deg,
      rgba(5, 6, 10, 0.86) 0%,
      rgba(5, 6, 10, 0.42) 26%,
      rgba(5, 6, 10, 0.5) 55%,
      rgba(5, 6, 10, 0.94) 100%
    ),
    linear-gradient(90deg, rgba(138, 4, 16, 0.42) 0%, transparent 42%, rgba(10, 18, 60, 0.38) 100%);
}

.stage__vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(75% 65% at 50% 45%, transparent 30%, rgba(0, 0, 0, 0.72) 100%);
  mix-blend-mode: multiply;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.16;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
}

@keyframes grainShift {
  0% {
    transform: translate3d(0, 0, 0);
  }
  33% {
    transform: translate3d(-2%, 1%, 0);
  }
  66% {
    transform: translate3d(1%, -2%, 0);
  }
  100% {
    transform: translate3d(0, 0, 0);
  }
}

.scan {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.35;
  mix-blend-mode: soft-light;
  background: repeating-linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.06) 0 1px,
    transparent 1px 3px
  );
}

.fx {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

/* 自定义光标 */
.cursor {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}

.cursor.is-on {
  opacity: 1;
}

.cursor__ring,
.cursor__dot {
  position: absolute;
  left: 0;
  top: 0;
  will-change: transform;
}

.cursor__ring svg {
  width: 46px;
  height: 46px;
  margin: -23px 0 0 -23px;
  fill: none;
  stroke: var(--red-2);
  stroke-width: 1.4;
  opacity: 0.85;
  transition: transform 0.35s var(--ease), opacity 0.3s;
}

.cursor__ring .dot {
  fill: var(--red-2);
  stroke: none;
}

.cursor__dot {
  width: 5px;
  height: 5px;
  margin: -2.5px 0 0 -2.5px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.9);
}

.cursor.is-hot .cursor__ring svg {
  transform: scale(1.45) rotate(45deg);
  stroke: #fff;
}

.cursor.is-hot .cursor__dot {
  background: var(--red-2);
}

/* 射击蛛丝轨迹 */
.shot {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9000;
}

.shot line {
  stroke: rgba(255, 255, 255, 0.92);
  stroke-width: 1.6;
  stroke-linecap: round;
  filter: drop-shadow(0 0 4px rgba(230, 36, 41, 0.9));
  transition: stroke-dashoffset 0.26s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s 0.25s;
}

/* ------------------------------ 02 载入幕 ------------------------------ */
.boot {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 26px;
  background: #04050a;
  transition: opacity 0.8s ease, visibility 0.8s;
  /* 纯 CSS 兜底：即使 JS 完全失效，4.6 秒后也会自动揭开 */
  animation: bootOut 0.6s ease 4.6s forwards;
}

@keyframes bootOut {
  to {
    opacity: 0;
    visibility: hidden;
  }
}

.boot__web {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.boot__web span {
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 1px solid rgba(230, 36, 41, 0.28);
  animation: webPulse 2.4s ease-out infinite;
}

.boot__web span:nth-child(2) {
  animation-delay: 0.8s;
}
.boot__web span:nth-child(3) {
  animation-delay: 1.6s;
}

@keyframes webPulse {
  0% {
    transform: scale(0.2);
    opacity: 0;
  }
  25% {
    opacity: 0.9;
  }
  100% {
    transform: scale(2.6);
    opacity: 0;
  }
}

.boot__mark {
  width: 74px;
  height: 74px;
  color: var(--red);
  filter: drop-shadow(0 0 18px rgba(230, 36, 41, 0.8));
  animation: markPulse 1.6s ease-in-out infinite;
  position: relative;
  z-index: 2;
}

@keyframes markPulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.9;
  }
  50% {
    transform: scale(1.12);
    opacity: 1;
  }
}

.boot__txt {
  position: relative;
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 6px;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
}

.boot__txt b,
.boot__txt i {
  font-style: normal;
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 0.9;
  text-transform: uppercase;
}

.boot__txt b {
  color: #fff;
}

.boot__txt i {
  color: var(--red);
  -webkit-text-stroke: 1px var(--red);
}

.boot__txt span {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--ash-2);
}

body.is-ready .boot {
  opacity: 0;
  visibility: hidden;
}

html.no-js .boot {
  display: none;
}

/* ------------------------------ 03 导航 ------------------------------ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 clamp(18px, 4vw, 48px);
  /* 底座：上实下虚，导航从页面里长出来，而不是飘在剧照上 */
  background: linear-gradient(180deg, rgba(4, 5, 9, 0.62) 0%, rgba(4, 5, 9, 0.28) 62%, rgba(4, 5, 9, 0) 100%);
  backdrop-filter: blur(3px) saturate(0.92);
  -webkit-backdrop-filter: blur(3px) saturate(0.92);
  transition: background 0.45s, backdrop-filter 0.45s, box-shadow 0.45s, height 0.45s;
}

.nav::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(230, 36, 41, 0.55), transparent);
  opacity: 0;
  transition: opacity 0.45s;
}

.nav.is-solid {
  height: 68px;
  background: linear-gradient(180deg, rgba(4, 5, 9, 0.92) 0%, rgba(4, 5, 9, 0.7) 70%, rgba(4, 5, 9, 0.15) 100%);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  box-shadow: 0 20px 50px -24px rgba(0, 0, 0, 0.9);
}

.nav.is-solid::after {
  opacity: 1;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand__mark {
  width: 38px;
  height: 38px;
  color: var(--red);
  transition: transform 0.5s var(--ease), color 0.3s;
  filter: drop-shadow(0 0 10px rgba(230, 36, 41, 0.55));
}

.brand:hover .brand__mark {
  transform: rotate(-14deg) scale(1.08);
  color: var(--red-2);
}

.brand__txt {
  display: grid;
  line-height: 1;
}

.brand__txt b {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.03em;
  color: #fff;
}

.brand__txt i {
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--ash-2);
  margin-top: 5px;
}

.nav__links {
  display: flex;
  align-items: stretch;
  gap: 0;
  padding: 0;
  border: 0;
  background: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
}

/* ===== 导航：蜘蛛侠六边形描边徽章 =====
   不再是实心铁片：底色降到半透明，靠 1px 红边 + 金光识别。
   只有当前页会整块亮起。 */
.nav__links {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 6px 0;
  border: 0;
  background: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
}

.nav__links a {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 0;
  clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
  /* 底色：极淡的红蓝，几乎透明，让背景透过来 */
  background:
    linear-gradient(118deg,
      transparent 0 30%,
      rgba(255, 255, 255, 0.1) 44%,
      transparent 56%),
    linear-gradient(90deg,
      rgba(120, 8, 18, 0.3) 0%,
      rgba(160, 10, 22, 0.24) 48%,
      rgba(20, 34, 96, 0.26) 52%,
      rgba(12, 44, 130, 0.3) 100%);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.06em;
  text-indent: 0.06em;
  color: rgba(255, 255, 255, 0.86);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.95), 0 0 12px rgba(0, 0, 0, 0.6);
  isolation: isolate;
  transition: color 0.3s, background 0.4s, transform 0.35s var(--ease), filter 0.35s;
}

/* 1px 六边形描边：这条线才是按钮的“骨架” */
.nav__links a::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
  box-shadow: inset 0 0 0 1px rgba(255, 90, 95, 0.55);
  transition: box-shadow 0.35s;
  pointer-events: none;
}

/* 中缝白线 */
.nav__links a span::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -50%;
  bottom: -50%;
  width: 1px;
  transform: translateX(-50%);
  background: linear-gradient(180deg,
    transparent, rgba(255, 255, 255, 0.4) 32%, rgba(255, 255, 255, 0.66) 50%,
    rgba(255, 255, 255, 0.4) 68%, transparent);
  opacity: 0.26;
  pointer-events: none;
  transition: opacity 0.35s;
}

/* 头顶小蜘蛛 */
.nav__links a::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 50%;
  width: 10px;
  height: 10px;
  transform: translateX(-50%);
  background-color: rgba(255, 255, 255, 0.42);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cg fill='none' stroke='%23000' stroke-width='5' stroke-linecap='round'%3E%3Cpath d='M44 44C36 33 26 29 12 24'/%3E%3Cpath d='M42 53C30 50 20 51 8 49'/%3E%3Cpath d='M43 62C32 66 24 72 15 81'/%3E%3Cpath d='M46 70C39 79 34 88 28 96'/%3E%3Cpath d='M56 44C64 33 74 29 88 24'/%3E%3Cpath d='M58 53C70 50 80 51 92 49'/%3E%3Cpath d='M57 62C68 66 76 72 85 81'/%3E%3Cpath d='M54 70C61 79 66 88 72 96'/%3E%3C/g%3E%3Cg fill='%23000'%3E%3Cellipse cx='50' cy='56' rx='8.5' ry='15'/%3E%3Ccircle cx='50' cy='34' r='7'/%3E%3C/g%3E%3C/svg%3E")
    center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cg fill='none' stroke='%23000' stroke-width='5' stroke-linecap='round'%3E%3Cpath d='M44 44C36 33 26 29 12 24'/%3E%3Cpath d='M42 53C30 50 20 51 8 49'/%3E%3Cpath d='M43 62C32 66 24 72 15 81'/%3E%3Cpath d='M46 70C39 79 34 88 28 96'/%3E%3Cpath d='M56 44C64 33 74 29 88 24'/%3E%3Cpath d='M58 53C70 50 80 51 92 49'/%3E%3Cpath d='M57 62C68 66 76 72 85 81'/%3E%3Cpath d='M54 70C61 79 66 88 72 96'/%3E%3C/g%3E%3Cg fill='%23000'%3E%3Cellipse cx='50' cy='56' rx='8.5' ry='15'/%3E%3Ccircle cx='50' cy='34' r='7'/%3E%3C/g%3E%3C/svg%3E")
    center / contain no-repeat;
  transition: background-color 0.3s, transform 0.35s var(--ease);
  pointer-events: none;
}

.nav__links a span {
  position: relative;
  display: inline-block;
  transition: transform 0.35s var(--ease);
}

.nav__links a span::after {
  content: none;
}

.nav__links a i {
  display: none;
}

/* 悬停：描边变亮、底色透一点红，不发光 */
.nav__links a:hover {
  color: #fff;
  transform: translateY(-2px);
  background:
    linear-gradient(118deg,
      transparent 0 26%,
      rgba(255, 255, 255, 0.16) 42%,
      transparent 56%),
    linear-gradient(90deg,
      rgba(200, 14, 26, 0.42) 0%,
      rgba(230, 36, 41, 0.3) 48%,
      rgba(28, 48, 140, 0.34) 52%,
      rgba(18, 62, 170, 0.42) 100%);
}

.nav__links a:hover::before {
  box-shadow: inset 0 0 0 1.5px rgba(255, 120, 125, 0.95);
}

.nav__links a:hover::after {
  background-color: #fff;
  transform: translateX(-50%) scale(1.15);
}

.nav__links a:hover span::before {
  opacity: 0.7;
}

/* 当前页：唯一会整块亮起来的那颗 */
.nav__links a.is-active {
  color: #fff;
  background:
    linear-gradient(118deg,
      transparent 0 22%,
      rgba(255, 255, 255, 0.32) 40%,
      rgba(255, 255, 255, 0.08) 50%,
      transparent 60%),
    linear-gradient(90deg,
      rgba(160, 12, 24, 0.9) 0%,
      rgba(200, 16, 28, 0.82) 48%,
      rgba(26, 52, 150, 0.84) 52%,
      rgba(30, 74, 190, 0.9) 100%);
  filter: drop-shadow(0 0 10px rgba(230, 36, 41, 0.55));
}

.nav__links a.is-active::before {
  box-shadow: inset 0 0 0 1.5px rgba(255, 130, 135, 1);
}

.nav__links a.is-active::after {
  background-color: #fff;
}

.nav__links a.is-active span::before {
  opacity: 1;
}

.nav__links a:active {
  transform: translateY(0) scale(0.96);
}

.nav__tools {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.audio {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 14px 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ash);
  font-size: 12px;
  letter-spacing: 0.08em;
  transition: border-color 0.3s, color 0.3s, background 0.3s;
}

.audio:hover {
  color: #fff;
  border-color: var(--line-2);
  background: rgba(255, 255, 255, 0.04);
}

.audio__bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}

.audio__bars i {
  width: 2px;
  height: 4px;
  background: currentColor;
  border-radius: 1px;
  transition: height 0.2s;
}

.audio[aria-pressed="true"] {
  color: var(--red-2);
  border-color: rgba(230, 36, 41, 0.5);
  background: rgba(230, 36, 41, 0.08);
}

.audio[aria-pressed="true"] .audio__bars i {
  animation: eq 0.9s ease-in-out infinite;
}

.audio[aria-pressed="true"] .audio__bars i:nth-child(2) {
  animation-delay: 0.15s;
}
.audio[aria-pressed="true"] .audio__bars i:nth-child(3) {
  animation-delay: 0.3s;
}
.audio[aria-pressed="true"] .audio__bars i:nth-child(4) {
  animation-delay: 0.45s;
}

@keyframes eq {
  0%,
  100% {
    height: 3px;
  }
  50% {
    height: 12px;
  }
}

.burger {
  display: none;
  width: 42px;
  height: 42px;
  position: relative;
  border: 1px solid rgba(230, 36, 41, 0.6);
  border-radius: 50%;
  background: rgba(230, 36, 41, 0.14);
  transition: border-color 0.3s, background 0.3s;
}

.burger:hover {
  border-color: var(--red-2);
  background: rgba(230, 36, 41, 0.3);
}

.burger i {
  position: absolute;
  left: 50%;
  width: 16px;
  height: 1.6px;
  background: #fff;
  transform: translateX(-50%);
  transition: transform 0.4s var(--ease), opacity 0.3s;
}

.burger i:first-child {
  top: 17px;
}
.burger i:last-child {
  top: 23px;
  width: 11px;
}

.nav.is-open .burger i:first-child {
  transform: translateX(-50%) translateY(3px) rotate(45deg);
}
.nav.is-open .burger i:last-child {
  width: 16px;
  transform: translateX(-50%) translateY(-3px) rotate(-45deg);
}

/* 按钮 */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 2px;
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.4s var(--ease), color 0.3s, border-color 0.3s;
}

.btn svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.4s var(--ease);
}

.btn:hover svg {
  transform: translateX(5px);
}

.btn--red {
  background: linear-gradient(
    110deg,
    #6d0209 0%,
    #b3121c 18%,
    #ff3b40 38%,
    #ff7a52 50%,
    #ff3b40 62%,
    #b3121c 82%,
    #6d0209 100%
  );
  background-size: 260% 100%;
  background-position: 50% 0;
  color: #fff;
  box-shadow: 0 12px 34px -12px rgba(230, 36, 41, 0.9), inset 0 0 0 1px rgba(255, 255, 255, 0.22),
    inset 0 -2px 8px rgba(0, 0, 0, 0.3);
  animation: btnFlow 5s linear infinite;
}

.btn--red::before {
  display: none;
}

.btn--red:hover {
  box-shadow: 0 18px 46px -12px rgba(255, 59, 64, 1), inset 0 0 0 1px rgba(255, 255, 255, 0.36),
    inset 0 -2px 8px rgba(0, 0, 0, 0.25);
}

/* 描边型按钮：同色系，悬停时也铺上熔岩渐变 */
.btn--ghost {
  border: 1px solid rgba(230, 36, 41, 0.55);
  color: #fff;
  background: linear-gradient(
    110deg,
    rgba(109, 2, 9, 0.5) 0%,
    rgba(179, 18, 28, 0.5) 30%,
    rgba(255, 59, 64, 0.38) 50%,
    rgba(179, 18, 28, 0.5) 70%,
    rgba(109, 2, 9, 0.5) 100%
  );
  background-size: 260% 100%;
  backdrop-filter: blur(6px);
}

.btn--ghost:hover {
  border-color: rgba(255, 90, 95, 0.9);
  background-position: 0% 0;
  animation: btnFlow 4s linear infinite;
  box-shadow: 0 14px 40px -16px rgba(230, 36, 41, 0.95);
}

@keyframes btnFlow {
  0% {
    background-position: 0% 0;
  }
  100% {
    background-position: 260% 0;
  }
}

.btn--sm {
  padding: 11px 22px;
  font-size: 13px;
}

.btn--wide {
  width: 100%;
  padding: 18px 30px;
  font-size: 16px;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0) scale(0.985);
}

/* ------------------------------ 04 首页 Hero ------------------------------ */
.hero {
  position: relative;
  z-index: 3;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + 30px) clamp(20px, 5vw, 60px) 150px;
  overflow: hidden;
}

.hero__web {
  position: absolute;
  inset: 0;
  pointer-events: none;
  color: rgba(255, 255, 255, 0.5);
}

.web {
  position: absolute;
  width: 62vw;
  height: 78vh;
  opacity: 0;
  animation: webIn 2s var(--ease) 0.5s forwards;
}

.web--tl {
  top: 0;
  left: 0;
}

.web--br {
  right: 0;
  bottom: 0;
  animation-name: webInSoft;
  animation-delay: 1.1s;
}

@keyframes webIn {
  from {
    opacity: 0;
    transform: scale(1.06);
  }
  to {
    opacity: 0.15;
    transform: none;
  }
}

@keyframes webInSoft {
  from {
    opacity: 0;
    transform: scale(1.06);
  }
  to {
    opacity: 0.09;
    transform: none;
  }
}

.hero__inner {
  position: relative;
  z-index: 4;
  max-width: 1000px;
  text-align: center;
  will-change: transform;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.66);
  padding: 9px 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  animation: fadeUp 1s var(--ease) 0.9s both;
}

.eyebrow__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red-2);
  box-shadow: 0 0 12px var(--red-2);
  animation: blink 1.6s ease-in-out infinite;
}

.eyebrow__sep {
  color: var(--red-2);
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.25;
  }
}

.hero__title {
  position: relative;
  margin: 22px 0 0;
  font-family: var(--font-display);
  font-size: clamp(3rem, 11.6vw, 11.5rem);
  line-height: 0.8;
  letter-spacing: -0.018em;
  text-transform: uppercase;
  color: #fff;
  white-space: nowrap;
  text-shadow: 0 24px 70px rgba(0, 0, 0, 0.6), 0 0 70px rgba(230, 36, 41, 0.32);
  animation: titleIn 1.3s var(--ease) 0.95s both;
}

@keyframes titleIn {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.96);
    filter: blur(10px);
  }
  to {
    opacity: 1;
    transform: none;
    filter: blur(0);
  }
}

.hero__title::before,
.hero__title::after {
  content: attr(data-glitch);
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
}

.hero__title::before {
  color: var(--red-2);
  transform: translate3d(-4px, 1px, 0);
  clip-path: inset(0 0 58% 0);
  animation: glitchA 5.5s steps(2) infinite;
}

.hero__title::after {
  color: var(--cyan);
  transform: translate3d(4px, -1px, 0);
  clip-path: inset(56% 0 0 0);
  animation: glitchB 4.3s steps(2) infinite;
}

@keyframes glitchA {
  0%,
  82%,
  100% {
    clip-path: inset(0 0 58% 0);
    transform: translate3d(-4px, 1px, 0);
  }
  84% {
    clip-path: inset(12% 0 40% 0);
    transform: translate3d(-9px, -2px, 0);
  }
  88% {
    clip-path: inset(30% 0 26% 0);
    transform: translate3d(7px, 2px, 0);
  }
  92% {
    clip-path: inset(0 0 58% 0);
    transform: translate3d(-4px, 1px, 0);
  }
}

@keyframes glitchB {
  0%,
  76%,
  100% {
    clip-path: inset(56% 0 0 0);
    transform: translate3d(4px, -1px, 0);
  }
  79% {
    clip-path: inset(70% 0 6% 0);
    transform: translate3d(10px, 1px, 0);
  }
  85% {
    clip-path: inset(44% 0 30% 0);
    transform: translate3d(-6px, -2px, 0);
  }
  90% {
    clip-path: inset(56% 0 0 0);
    transform: translate3d(4px, -1px, 0);
  }
}

.hero__cn {
  display: flex;
  justify-content: center;
  gap: clamp(14px, 2.8vw, 30px);
  margin: 16px 0 0;
  font-size: clamp(15px, 1.6vw, 20px);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.86);
  animation: fadeUp 1s var(--ease) 1.25s both;
}

.hero__cn span {
  position: relative;
  padding-bottom: 8px;
}

.hero__cn span::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 4px;
  height: 4px;
  margin-left: -2px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 10px var(--red);
}

.hero__lead {
  margin: 26px auto 0;
  max-width: 620px;
  font-size: clamp(13px, 1.25vw, 15.5px);
  line-height: 2;
  color: rgba(255, 255, 255, 0.62);
  animation: fadeUp 1s var(--ease) 1.4s both;
}

.hero__lead em {
  font-style: normal;
  color: #fff;
  font-weight: 700;
  text-shadow: 0 0 26px rgba(230, 36, 41, 0.6);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 34px;
  animation: fadeUp 1s var(--ease) 1.55s both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.hero__stats {
  position: absolute;
  left: 50%;
  bottom: 64px;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  gap: clamp(22px, 5vw, 66px);
  animation: fadeUp 1s var(--ease) 1.8s both;
}

.stat {
  text-align: center;
}

.stat b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1;
  color: #fff;
  letter-spacing: 0.02em;
  transform: scaleY(1.22);
  transform-origin: center bottom;
}

.stat i {
  display: block;
  margin-top: 6px;
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--ash-2);
}

.hero__hud {
  position: absolute;
  left: clamp(18px, 4vw, 48px);
  bottom: 120px;
  z-index: 4;
  display: grid;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.38);
  animation: fadeUp 1s var(--ease) 2s both;
}

.hero__hud-live {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--red-2);
}

.hero__hud-live i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--red-2);
  animation: blink 1.2s infinite;
}

.hero__scroll {
  position: absolute;
  right: clamp(18px, 4vw, 48px);
  bottom: 120px;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.36em;
  color: rgba(255, 255, 255, 0.5);
  animation: fadeUp 1s var(--ease) 2s both;
}

.hero__scroll span {
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.hero__scroll i {
  width: 1px;
  height: 54px;
  background: linear-gradient(180deg, var(--red), transparent);
  position: relative;
  overflow: hidden;
}

.hero__scroll i::after {
  content: "";
  position: absolute;
  inset: 0;
  background: #fff;
  animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
  0% {
    transform: translateY(-100%);
  }
  60%,
  100% {
    transform: translateY(100%);
  }
}

.hero__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 4;
  height: 2px;
  background: rgba(255, 255, 255, 0.08);
}

.hero__progress b {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--crimson), var(--red-2), var(--cyan));
  box-shadow: 0 0 14px rgba(230, 36, 41, 0.8);
}

.hero__progress b.run {
  animation: barRun 4s linear forwards;
}

@keyframes barRun {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

/* ------------------------------ 05 跑马灯 ------------------------------ */
.marquee {
  position: relative;
  z-index: 3;
  overflow: hidden;
  padding: 16px 0;
  background: linear-gradient(90deg, #0b0c13, #14060a 50%, #0b0c13);
  border-top: 1px solid rgba(230, 36, 41, 0.28);
  border-bottom: 1px solid rgba(230, 36, 41, 0.28);
  transform: skewY(-0.7deg);
}

.marquee__track {
  display: flex;
  align-items: center;
  gap: 34px;
  width: max-content;
  animation: marquee 38s linear infinite;
}

.marquee__track span {
  font-family: var(--font-display);
  font-size: clamp(16px, 2.1vw, 24px);
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.82);
  white-space: nowrap;
}

.marquee__track b {
  color: var(--red);
  font-size: 12px;
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ------------------------------ 06 通用区块 ------------------------------ */
.sec {
  position: relative;
  z-index: 3;
  padding: clamp(72px, 11vw, 140px) clamp(20px, 5vw, 64px);
  overflow: hidden;
}

.sec--heroes {
  background: linear-gradient(180deg, rgba(4, 5, 9, 0.72), rgba(4, 5, 9, 0.97) 60%, #04050a);
}

.sec--suits {
  background: linear-gradient(180deg, #04050a, rgba(6, 8, 16, 0.96) 40%, #04050a);
}

.sec--watch {
  background: linear-gradient(180deg, #04050a, rgba(14, 5, 8, 0.94) 55%, #04050a);
}

.sec__glow {
  position: absolute;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  filter: blur(110px);
  pointer-events: none;
  opacity: 0.35;
}

.sec__glow--red {
  background: radial-gradient(circle, rgba(230, 36, 41, 0.55), transparent 68%);
  top: -18vw;
  right: -16vw;
}

.sec__glow--blue {
  background: radial-gradient(circle, rgba(47, 107, 255, 0.45), transparent 68%);
  bottom: -22vw;
  left: -18vw;
}

.sec__head {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto clamp(38px, 5vw, 64px);
  text-align: center;
}

.sec__idx {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.34em;
  color: var(--red-2);
  text-transform: uppercase;
}

.sec__idx::before,
.sec__idx::after {
  content: "";
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--red));
}

.sec__idx::after {
  background: linear-gradient(90deg, var(--red), transparent);
}

.sec__title {
  margin: 16px 0 0;
  font-size: clamp(2.3rem, 6.4vw, 5.2rem);
  font-weight: 900;
  letter-spacing: 0.02em;
  color: #fff;
  text-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.sec__title .hl {
  position: relative;
  color: var(--red-2);
  display: inline-block;
  isolation: isolate;
}

.sec__title .hl::after {
  content: "";
  position: absolute;
  left: -2%;
  right: -2%;
  bottom: 6%;
  height: 10%;
  background: rgba(230, 36, 41, 0.35);
  filter: blur(10px);
  z-index: -1;
}

.sec__sub {
  margin: 18px 0 0;
  font-size: clamp(13px, 1.3vw, 15px);
  color: var(--ash-2);
  letter-spacing: 0.06em;
}

/* 滚动显现 */
html.js .reveal {
  opacity: 0;
  transform: translateY(38px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

html.js .reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ------------------------------ 07 英雄 ------------------------------ */
.panels {
  position: relative;
  display: flex;
  gap: 12px;
  max-width: var(--maxw);
  margin: 0 auto;
  height: clamp(380px, 58vh, 600px);
}

.panel {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  overflow: hidden;
  border-radius: 3px;
  background-position: center;
  background-size: cover, cover;
  isolation: isolate;
  transition: flex-grow 0.8s var(--ease), filter 0.6s;
  filter: saturate(0.75) brightness(0.72);
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: inherit;
  background-position: center;
  background-size: cover;
  transition: transform 1.4s var(--ease);
}

.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(4, 5, 9, 0.15) 0%,
    rgba(4, 5, 9, 0.05) 38%,
    rgba(4, 5, 9, 0.85) 78%,
    rgba(4, 5, 9, 0.98) 100%
  );
  transition: opacity 0.6s;
}

.panel:hover {
  flex-grow: 1.85;
  filter: saturate(1.05) brightness(0.92);
}

.panel:hover::before {
  transform: scale(1.08);
}

.panel__no {
  position: absolute;
  top: 18px;
  left: 20px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.55);
}

.panel__no::after {
  content: "";
  display: block;
  width: 26px;
  height: 1px;
  margin-top: 8px;
  background: var(--red);
  transition: width 0.6s var(--ease);
}

.panel:hover .panel__no::after {
  width: 66px;
}

.panel__body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 26px 22px;
  transform: translateY(38px);
  transition: transform 0.7s var(--ease);
}

.panel:hover .panel__body {
  transform: none;
}

.panel__era {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--red-2);
  opacity: 0;
  transition: opacity 0.5s 0.1s;
}

.panel__name {
  margin: 10px 0 0;
  font-size: clamp(19px, 1.9vw, 26px);
  font-weight: 800;
  color: #fff;
  white-space: nowrap;
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.8);
}

.panel__tag {
  margin: 8px 0 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.62);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s 0.14s, transform 0.5s 0.14s;
}

.panel__meta {
  margin-top: 16px;
  display: grid;
  gap: 6px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s 0.2s, transform 0.5s 0.2s;
}

.panel__meta li {
  display: flex;
  gap: 10px;
  white-space: nowrap;
}

.panel__meta i {
  font-style: normal;
  color: var(--red-2);
  font-size: 10px;
  letter-spacing: 0.16em;
  min-width: 30px;
}

.panel:hover .panel__era,
.panel:hover .panel__tag,
.panel:hover .panel__meta {
  opacity: 1;
  transform: none;
}

/* ------------------------------ 08 引言 ------------------------------ */
.quote {
  position: relative;
  z-index: 3;
  display: grid;
  place-items: center;
  min-height: clamp(360px, 52vh, 560px);
  padding: clamp(60px, 10vw, 120px) 24px;
  background: #04050a;
  overflow: hidden;
}

.quote::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(50% 60% at 50% 50%, rgba(230, 36, 41, 0.16), transparent 70%);
}

.quote__web {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--red);
  opacity: 0.12;
  pointer-events: none;
}

.quote__web svg {
  width: min(78vw, 760px);
  height: auto;
  animation: spinSlow 90s linear infinite;
}

@keyframes spinSlow {
  to {
    transform: rotate(360deg);
  }
}

.quote__txt {
  position: relative;
  z-index: 2;
  margin: 0;
  text-align: center;
  font-size: clamp(1.9rem, 5.6vw, 4.4rem);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: 0.03em;
  color: #fff;
  text-shadow: 0 0 60px rgba(230, 36, 41, 0.4);
}

.quote__txt span {
  color: var(--red);
  font-family: var(--font-display);
}

.quote__txt cite {
  display: block;
  margin-top: 28px;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--ash-2);
}

/* ------------------------------ 09 战衣 ------------------------------ */
.suits {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
}

.suits__track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 10px 4px 26px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  cursor: grab;
}

.suits__track::-webkit-scrollbar {
  display: none;
}

.suits__track.is-drag {
  cursor: grabbing;
  scroll-snap-type: none;
}

.suits__track.is-drag .suit {
  pointer-events: none;
}

.suit {
  position: relative;
  flex: 0 0 clamp(230px, 24vw, 292px);
  scroll-snap-align: start;
  min-height: clamp(340px, 42vh, 430px);
  padding: 22px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.012) 42%, rgba(0, 0, 0, 0.3));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  isolation: isolate;
  transition: border-color 0.4s, box-shadow 0.5s, transform 0.35s var(--ease);
  transform-style: preserve-3d;
  will-change: transform;
}

.suit::before {
  content: "";
  position: absolute;
  inset: -40% -30% auto;
  height: 80%;
  z-index: -1;
  background: radial-gradient(closest-side, var(--s1), transparent 72%);
  opacity: 0.28;
  filter: blur(20px);
  transition: opacity 0.5s, transform 0.6s;
}

.suit::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(130deg, transparent 40%, rgba(255, 255, 255, 0.09) 48%, transparent 56%);
  opacity: 0;
  transition: opacity 0.5s;
}

.suit:hover {
  border-color: rgba(230, 36, 41, 0.45);
  box-shadow: 0 30px 70px -30px rgba(230, 36, 41, 0.5), inset 0 0 40px rgba(230, 36, 41, 0.06);
}

.suit:hover::before {
  opacity: 0.5;
  transform: translateY(6%);
}

.suit:hover::after {
  opacity: 1;
}

.suit__art {
  position: relative;
  display: grid;
  place-items: center;
  flex: 1;
}

.suit__art svg {
  width: clamp(112px, 11vw, 152px);
  height: auto;
  filter: drop-shadow(0 22px 34px rgba(0, 0, 0, 0.65));
  transition: transform 0.7s var(--ease);
}

.suit:hover .suit__art svg {
  transform: translateY(-6px) rotate(-3deg) scale(1.05);
}

.suit__no {
  position: absolute;
  top: 0;
  right: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ash-2);
}

.suit__meta h3 {
  font-size: 19px;
  font-weight: 800;
  color: #fff;
}

.suit__meta p {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--ash-2);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}

.tags li {
  font-size: 11px;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.66);
  background: rgba(255, 255, 255, 0.03);
  white-space: nowrap;
}

.suits__hint {
  margin: 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.26em;
  color: var(--ash-2);
  opacity: 0.8;
}

/* ------------------------------ 10 观影 ------------------------------ */
.watch {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(30px, 5vw, 72px);
  align-items: center;
}

.watch__posters {
  position: relative;
  height: clamp(360px, 52vh, 520px);
  perspective: 1200px;
}

.poster {
  position: absolute;
  top: 50%;
  left: 50%;
  width: clamp(180px, 20vw, 260px);
  aspect-ratio: 2 / 3;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.9);
  transition: transform 0.7s var(--ease);
}

.poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.poster::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(230, 36, 41, 0.22));
  mix-blend-mode: screen;
}

.poster--a {
  transform: translate(-58%, -50%) rotate(-8deg);
  z-index: 2;
}

.poster--b {
  transform: translate(-14%, -46%) rotate(7deg) scale(0.9);
  z-index: 1;
  opacity: 0.75;
  filter: saturate(0.6);
}

.watch__posters:hover .poster--a {
  transform: translate(-64%, -52%) rotate(-11deg) scale(1.03);
}

.watch__posters:hover .poster--b {
  transform: translate(-6%, -44%) rotate(11deg) scale(0.94);
  opacity: 0.9;
}

.watch__badge {
  position: absolute;
  right: 2%;
  bottom: 6%;
  z-index: 3;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid rgba(230, 36, 41, 0.55);
  background: rgba(4, 5, 9, 0.78);
  backdrop-filter: blur(10px);
  color: var(--red-2);
  box-shadow: 0 0 0 8px rgba(230, 36, 41, 0.06), 0 0 40px rgba(230, 36, 41, 0.35);
  animation: floaty 5s ease-in-out infinite;
}

.watch__badge svg {
  width: 34px;
  height: 34px;
  position: absolute;
  top: 16px;
  opacity: 0.9;
}

.watch__badge span {
  position: absolute;
  bottom: 14px;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.2em;
  text-align: center;
  line-height: 1.3;
  color: rgba(255, 255, 255, 0.7);
}

@keyframes floaty {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.watch__title h3 {
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  font-weight: 900;
  color: #fff;
}

.watch__title span {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--red-2);
}

.watch__facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.watch__facts dt {
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--ash-2);
  margin-bottom: 6px;
}

.watch__facts dd {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

.watch__facts b {
  color: var(--red-2);
  font-size: 19px;
}

.times {
  margin-top: 26px;
}

.times__label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--ash-2);
  margin-bottom: 12px;
}

.times__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.time {
  padding: 11px 18px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.025);
  transition: all 0.3s var(--ease);
}

.time:hover {
  border-color: rgba(230, 36, 41, 0.55);
  color: #fff;
  transform: translateY(-2px);
}

.time.is-on {
  background: rgba(230, 36, 41, 0.14);
  border-color: var(--red);
  color: #fff;
  box-shadow: 0 0 22px -6px rgba(230, 36, 41, 0.9);
}

.watch__cta {
  margin-top: 30px;
}

.watch__note {
  margin: 12px 0 0;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ash-2);
  text-align: center;
}

/* ------------------------------ 11 页脚 ------------------------------ */
.foot {
  position: relative;
  z-index: 3;
  padding: clamp(48px, 7vw, 80px) clamp(20px, 5vw, 64px) 34px;
  background: #030407;
  border-top: 1px solid var(--line);
}

.foot__top {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line);
}

.brand--foot .brand__mark {
  width: 42px;
  height: 42px;
}

.foot__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  font-size: 13px;
  color: var(--ash);
}

.foot__nav a {
  position: relative;
  transition: color 0.3s;
}

.foot__nav a:hover {
  color: var(--red-2);
}

.foot__disclaimer {
  max-width: var(--maxw);
  margin: 26px auto 0;
  font-size: 11.5px;
  line-height: 1.9;
  color: var(--ash-2);
  letter-spacing: 0.02em;
}

.foot__disclaimer b {
  color: var(--ash);
  font-weight: 600;
}

.foot__bottom {
  max-width: var(--maxw);
  margin: 30px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  color: #414958;
}

.totop {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 55;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  background: rgba(8, 9, 14, 0.8);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: all 0.4s var(--ease);
}

.totop.is-on {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.totop:hover {
  border-color: var(--red);
  color: var(--red-2);
}

.totop svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ------------------------------ 12 响应式 ------------------------------ */
@media (max-width: 1080px) {
  .watch {
    grid-template-columns: 1fr;
  }
  .watch__posters {
    height: 420px;
    max-width: 520px;
    margin: 0 auto;
    width: 100%;
  }
  .watch__badge {
    right: 12%;
  }
  .panel__name {
    white-space: normal;
  }
}

@media (max-width: 940px) {
  :root {
    --nav-h: 70px;
  }

  .nav__cta {
    display: none;
  }

  .burger {
    display: block;
  }

  .nav__links {
    position: fixed;
    inset: 0;
    z-index: 59;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 90px 30px;
    border: 0;
    background: rgba(3, 4, 8, 0.96);
    backdrop-filter: blur(20px);
    box-shadow: none;
    clip-path: circle(0% at calc(100% - 46px) 42px);
    transition: clip-path 0.7s var(--ease);
    pointer-events: none;
  }

  .nav.is-open .nav__links {
    clip-path: circle(150% at calc(100% - 46px) 42px);
    pointer-events: auto;
  }

  .nav__links a {
    width: 236px;
    height: 66px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-indent: 0.14em;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
  }

  .nav__links a::after {
    width: 12px;
    height: 12px;
    top: 3px;
  }

  .nav__links {
    gap: 10px;
  }

  .nav.is-open .nav__links a {
    opacity: 1;
    transform: none;
  }

  .nav.is-open .nav__links a:nth-child(1) {
    transition-delay: 0.12s;
  }
  .nav.is-open .nav__links a:nth-child(2) {
    transition-delay: 0.18s;
  }
  .nav.is-open .nav__links a:nth-child(3) {
    transition-delay: 0.24s;
  }
  .nav.is-open .nav__links a:nth-child(4) {
    transition-delay: 0.3s;
  }

  .hero__hud,
  .hero__scroll {
    display: none;
  }

  .hero {
    padding-bottom: 170px;
  }

  .panels {
    flex-direction: column;
    height: auto;
    gap: 10px;
  }

  .panel {
    height: 240px;
    flex: 0 0 auto;
    filter: saturate(0.88) brightness(0.8);
  }

  .panel__body {
    transform: none;
    padding: 20px;
  }

  .panel__era,
  .panel__tag,
  .panel__meta {
    opacity: 1;
    transform: none;
  }

  .panel::after {
    background: linear-gradient(90deg, rgba(4, 5, 9, 0.92) 0%, rgba(4, 5, 9, 0.55) 45%, transparent 85%),
      linear-gradient(180deg, transparent 40%, rgba(4, 5, 9, 0.8) 100%);
  }

  .panel__meta {
    display: none;
  }
}

@media (max-width: 640px) {
  .brand__txt i {
    display: none;
  }

  .audio__txt {
    display: none;
  }

  .audio {
    padding: 8px 10px;
    gap: 0;
  }

  .hero__title {
    font-size: clamp(2.4rem, 14vw, 5rem);
  }

  .hero__lead br {
    display: none;
  }

  .hero__stats {
    gap: 20px;
    bottom: 54px;
    width: 100%;
    justify-content: center;
    padding: 0 16px;
  }

  .stat i {
    letter-spacing: 0.16em;
    font-size: 9px;
  }

  .hero__actions .btn {
    padding: 13px 22px;
    font-size: 14px;
  }

  .hero {
    padding-bottom: 150px;
  }

  .sec__title {
    font-size: clamp(2rem, 9vw, 3rem);
  }

  .watch__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 10px;
  }

  .watch__posters {
    height: 330px;
  }

  .poster {
    width: 150px;
  }

  .watch__badge {
    width: 78px;
    height: 78px;
  }

  .watch__badge svg {
    width: 26px;
    height: 26px;
    top: 14px;
  }

  .watch__badge span {
    bottom: 11px;
    font-size: 7px;
  }

  .marquee__track {
    animation-duration: 26s;
  }

  .foot__top {
    flex-direction: column;
    align-items: flex-start;
  }

  .quote__txt cite {
    font-size: 9px;
    letter-spacing: 0.16em;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html.js .reveal {
    opacity: 1;
    transform: none;
  }

  .stage__slide.is-active {
    animation: none;
    transform: scale(1.04);
  }
}

/* ==========================================================================
   V2 · 动态背景 / 霓虹光效 / 弹出面板
   （本节覆盖上方同名规则）
   ========================================================================== */

/* ---------- 00 锁定一屏，页面不出现滚动条 ---------- */
html,
body {
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

/* ---------- 01 动态视频背景 ---------- */
.stage__videos {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.stage__video {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.2s ease;
  filter: saturate(1.2) contrast(1.14) brightness(0.92);
  pointer-events: none;
}

.stage__video.is-live {
  opacity: 1;
}

/* 画面调色 */
.stage__slide {
  z-index: 0;
}

/* 切换只做交叉淡入，不再挂 kenburns。
   之前把 animation 挂在 .is-active 上，反复增删类会让 forwards
   的末态粘住，导致新图一直被压在下面，看起来就是"永远不换" */
.stage__slide.is-active {
  opacity: 1;
}

@keyframes kenburns {
  from {
    transform: scale(1.04) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.19) translate3d(-2.4%, -2.8%, 0);
  }
}

/* ---------- 02 霓虹光团 ---------- */
.stage__glow {
  position: absolute;
  z-index: 2;
  width: 68vw;
  height: 68vw;
  border-radius: 50%;
  mix-blend-mode: screen;
  pointer-events: none;
  will-change: opacity, transform;
  transform: translateZ(0);
}

.stage__glow--red {
  top: -22vw;
  left: -18vw;
  background: radial-gradient(
    circle,
    rgba(230, 36, 41, 0.55) 0%,
    rgba(230, 36, 41, 0.26) 26%,
    rgba(230, 36, 41, 0.08) 48%,
    transparent 70%
  );
  animation: glowA 9s ease-in-out infinite;
}

.stage__glow--cyan {
  right: -20vw;
  bottom: -24vw;
  background: radial-gradient(
    circle,
    rgba(25, 227, 255, 0.38) 0%,
    rgba(47, 107, 255, 0.2) 28%,
    rgba(47, 107, 255, 0.07) 50%,
    transparent 70%
  );
  animation: glowB 12s ease-in-out infinite;
}

@keyframes glowA {
  0%,
  100% {
    opacity: 0.38;
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    opacity: 0.75;
    transform: translate3d(3vw, 2vh, 0) scale(1.14);
  }
}

@keyframes glowB {
  0%,
  100% {
    opacity: 0.3;
    transform: translate3d(0, 0, 0) scale(1.12);
  }
  50% {
    opacity: 0.62;
    transform: translate3d(-4vw, -2vh, 0) scale(1);
  }
}

/* ---------- 03 斜向扫光 ---------- */
.stage__beam {
  position: absolute;
  z-index: 2;
  top: -40%;
  left: -55%;
  width: 38%;
  height: 180%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.05) 34%,
    rgba(255, 255, 255, 0.2) 50%,
    rgba(255, 255, 255, 0.05) 66%,
    transparent 100%
  );
  transform: rotate(16deg);
  filter: blur(10px);
  mix-blend-mode: screen;
  pointer-events: none;
  animation: beamSweep 12s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes beamSweep {
  0% {
    opacity: 0;
    transform: translateX(0) rotate(16deg);
  }
  6% {
    opacity: 1;
  }
  46% {
    opacity: 0.9;
    transform: translateX(430%) rotate(16deg);
  }
  62%,
  100% {
    opacity: 0;
    transform: translateX(430%) rotate(16deg);
  }
}

/* ---------- 04 调色 / 网点 / 暗角 / 爆闪 ---------- */
.stage__tint {
  z-index: 3;
  background: linear-gradient(
      180deg,
      rgba(4, 5, 10, 0.88) 0%,
      rgba(4, 5, 10, 0.16) 22%,
      rgba(4, 5, 10, 0.22) 50%,
      rgba(4, 5, 10, 0.52) 74%,
      rgba(4, 5, 10, 0.86) 100%
    ),
    radial-gradient(
      72% 62% at 16% 26%,
      rgba(var(--mood, 230, 36, 41), 0.34),
      transparent 62%
    ),
    radial-gradient(66% 62% at 86% 70%, rgba(35, 90, 255, 0.3), transparent 64%);
  transition: background 1.2s ease;
}

/* 城市天际线剪影：两层不同速度，制造飞越纽约的纵深 */
.stage__skyline {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 4;
  height: 34vh;
  min-height: 170px;
  overflow: hidden;
  pointer-events: none;
}

/* 楼群背后的城市灯火 */
.stage__skyline::before {
  content: "";
  position: absolute;
  left: -10%;
  right: -10%;
  bottom: -6%;
  height: 78%;
  background: radial-gradient(
    52% 100% at 50% 100%,
    rgba(230, 36, 41, 0.4) 0%,
    rgba(230, 36, 41, 0.12) 42%,
    transparent 72%
  );
  filter: blur(26px);
  mix-blend-mode: screen;
}

.skyline {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 200%;
  height: 100%;
  fill: #04050a;
  display: block;
}

.skyline--far {
  opacity: 0.62;
  animation: skyMove 110s linear infinite;
}

.skyline--near {
  opacity: 0.96;
  animation: skyMove 62s linear infinite;
}

@keyframes skyMove {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.stage__halftone {
  position: absolute;
  inset: 0;
  z-index: 5;
  background-image: radial-gradient(rgba(255, 255, 255, 0.6) 1px, transparent 1.2px);
  background-size: 4px 4px;
  opacity: 0.06;
  mix-blend-mode: overlay;
  pointer-events: none;
}

.stage__vignette {
  z-index: 6;
}

.stage__flash {
  position: absolute;
  inset: 0;
  z-index: 7;
  opacity: 0;
  pointer-events: none;
  mix-blend-mode: screen;
  background: radial-gradient(
    circle at 50% 46%,
    rgba(255, 52, 66, 0.85) 0%,
    rgba(230, 36, 41, 0.42) 30%,
    transparent 62%
  );
}

.stage__flash.run {
  animation: flashWave 0.95s ease-out;
}

@keyframes flashWave {
  0% {
    opacity: 0;
    transform: scale(0.5);
  }
  16% {
    opacity: 0.9;
  }
  100% {
    opacity: 0;
    transform: scale(1.9);
  }
}

/* ---------- 05 标题：白字为主，故障只在瞬间闪现 ---------- */
.hero__title {
  text-shadow: 0 24px 70px rgba(0, 0, 0, 0.66), 0 0 90px rgba(230, 36, 41, 0.52),
    0 0 34px rgba(230, 36, 41, 0.3);
}

/* 蜘蛛侠特效画布：盖在标题上方，不挡交互 */
.spidey {
  position: absolute;
  left: 0;
  top: -90px;
  width: 100%;
  height: calc(100% + 180px);
  z-index: 5;
  pointer-events: none;
}

/* 标题上叠一层红蓝漫画描边，更有蜘蛛侠漫画感 */
.hero__title {
  -webkit-text-stroke: 0.5px rgba(255, 90, 100, 0.34);
}

.hero__title::before,
.hero__title::after {
  content: attr(data-glitch);
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  mix-blend-mode: screen;
  text-shadow: none;
}

.hero__title::before {
  color: #ff3049;
  animation: glitchA 6.6s steps(1) infinite;
}

.hero__title::after {
  color: #14e8ff;
  animation: glitchB 6.6s steps(1) infinite;
}

@keyframes glitchA {
  0%,
  89%,
  100% {
    opacity: 0;
    transform: translate3d(-4px, 0, 0);
    clip-path: inset(0 0 100% 0);
  }
  90% {
    opacity: 0.95;
    transform: translate3d(-11px, 0, 0);
    clip-path: inset(6% 0 72% 0);
  }
  92% {
    opacity: 0.95;
    transform: translate3d(9px, 0, 0);
    clip-path: inset(30% 0 50% 0);
  }
  94% {
    opacity: 0.95;
    transform: translate3d(-8px, 0, 0);
    clip-path: inset(60% 0 22% 0);
  }
  96% {
    opacity: 0;
    transform: translate3d(-4px, 0, 0);
    clip-path: inset(0 0 100% 0);
  }
}

@keyframes glitchB {
  0%,
  93%,
  100% {
    opacity: 0;
    transform: translate3d(4px, 0, 0);
    clip-path: inset(0 0 100% 0);
  }
  94% {
    opacity: 0.9;
    transform: translate3d(10px, 0, 0);
    clip-path: inset(12% 0 64% 0);
  }
  96% {
    opacity: 0.9;
    transform: translate3d(-9px, 0, 0);
    clip-path: inset(46% 0 34% 0);
  }
  98% {
    opacity: 0;
    transform: translate3d(4px, 0, 0);
    clip-path: inset(0 0 100% 0);
  }
}

/* ---------- 06 首屏底部 ---------- */
.hero {
  padding-bottom: 138px;
}

.hero__lead {
  max-width: 780px;
  line-height: 2.05;
}

/* 北京时间：固定 500×50，底部正中 */
.hero__stats {
  position: absolute;
  left: 50%;
  bottom: 58px;
  transform: translateX(-50%);
  width: min(500px, calc(100% - 40px));
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 0;
  margin: 0;
}

.hero__stats .stat {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero__stats .stat b {
  font-size: 38px;
  line-height: 1;
  letter-spacing: 0.03em;
  font-variant-numeric: tabular-nums;
  transform: scaleY(1.22);
  transform-origin: center bottom;
}

.hero__stats .stat i {
  display: block;
  margin-top: 4px;
  font-size: 9.5px;
  line-height: 1;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
}

.hero__foot {
  position: absolute;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  z-index: 4;
  width: min(1180px, calc(100% - 40px));
  margin: 0;
  text-align: center;
  font-size: 10.5px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.26);
}

/* ==========================================================================
   弹出面板
   ========================================================================== */
.sheet {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: clamp(14px, 3vw, 40px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.45s var(--ease), visibility 0.45s;
}

.sheet.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.sheet__backdrop {
  position: absolute;
  inset: 0;
  background: radial-gradient(65% 60% at 50% 42%, rgba(4, 5, 9, 0.5), rgba(2, 3, 6, 0.9) 78%);
  backdrop-filter: blur(3px) saturate(1.1);
  -webkit-backdrop-filter: blur(3px) saturate(1.1);
}

.sheet__box {
  position: relative;
  width: min(880px, 100%);
  max-height: calc(100vh - 90px);
  overflow-y: auto;
  padding: clamp(26px, 3.6vw, 50px);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 5px;
  background: radial-gradient(
      72% 52% at 50% 0%,
      rgba(var(--mood, 230, 36, 41), 0.18),
      transparent 70%
    ),
    linear-gradient(155deg, rgba(20, 22, 32, 0.9), rgba(7, 8, 13, 0.96));
  box-shadow: 0 50px 130px rgba(0, 0, 0, 0.86), inset 0 1px 0 rgba(255, 255, 255, 0.09);
  transform: translateY(24px) scale(0.985);
  transition: transform 0.55s var(--ease);
  scrollbar-width: thin;
  scrollbar-color: rgba(230, 36, 41, 0.5) transparent;
}

.sheet.is-open .sheet__box {
  transform: none;
}

.sheet__box::-webkit-scrollbar {
  width: 4px;
}

.sheet__box::-webkit-scrollbar-thumb {
  background: rgba(230, 36, 41, 0.5);
  border-radius: 2px;
}

.sheet__close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 3;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(230, 36, 41, 0.6);
  border-radius: 50%;
  color: #fff;
  background: rgba(230, 36, 41, 0.14);
  box-shadow: 0 0 0 0 rgba(230, 36, 41, 0.6);
  transition: transform 0.4s var(--ease), border-color 0.3s, color 0.3s, background 0.3s,
    box-shadow 0.4s;
}

.sheet__close:hover {
  border-color: var(--red-2);
  color: #fff;
  background: rgba(230, 36, 41, 0.9);
  box-shadow: 0 0 24px -4px rgba(230, 36, 41, 0.95);
  transform: rotate(90deg) scale(1.06);
}

.sheet__close svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

.sheet__pane {
  display: none;
  min-height: clamp(240px, 32vh, 330px);
}

.sheet__pane.is-on {
  display: block;
  animation: paneIn 0.5s var(--ease);
}

@keyframes paneIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.sheet__idx {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.34em;
  color: var(--red-2);
}

.sheet__title {
  margin: 12px 0 0;
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  font-weight: 900;
  color: #fff;
  letter-spacing: 0.02em;
}

.sheet__sub {
  margin: 10px 0 26px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--ash-2);
  letter-spacing: 0.03em;
  max-width: 56ch;
}

.sheet__note {
  margin: 24px 0 0;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.3);
}

/* 下载提醒：做成明显的提示条 */
.sheet__note--warn {
  margin: 28px 0 0;
  padding: 13px 16px;
  border-radius: 4px;
  border-left: 2px solid rgba(230, 36, 41, 0.75);
  background: linear-gradient(90deg, rgba(230, 36, 41, 0.14), rgba(230, 36, 41, 0.03));
  font-size: 12px;
  line-height: 1.75;
  letter-spacing: 0.02em;
  color: rgba(255, 158, 162, 0.92);
}

/* 礼包 */
.packs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

/* 两档套餐：卡片放大，价格更醒目 */
.packs--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.packs--two .pack {
  gap: 11px;
  padding: 26px 22px;
}

.packs--two .pack__tag {
  font-size: 11px;
  letter-spacing: 0.16em;
}

.packs--two .pack__price {
  font-family: var(--font-body);
  font-size: 26px;
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: 0.05em;
  color: transparent;
  background: linear-gradient(100deg, #8a0410 0%, #c8102e 34%, #ff2a3a 68%, #ff5a5f 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 16px rgba(230, 36, 41, 0.55));
}

.packs--two .pack li {
  font-size: 12.5px;
}

.pack {
  position: relative;
  display: grid;
  gap: 9px;
  padding: 20px 16px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.35s, transform 0.35s var(--ease), background 0.35s;
}

.pack:hover {
  border-color: rgba(230, 36, 41, 0.5);
  transform: translateY(-3px);
}

.pack.is-hot {
  border-color: rgba(230, 36, 41, 0.6);
  background: linear-gradient(170deg, rgba(230, 36, 41, 0.16), rgba(255, 255, 255, 0.02));
  box-shadow: 0 20px 50px -26px rgba(230, 36, 41, 0.95);
}

.pack__tag {
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--red-2);
}

.pack__price {
  font-family: var(--font-display);
  font-size: 32px;
  line-height: 1;
  color: #fff;
}

.pack ul {
  display: grid;
  gap: 5px;
}

.pack li {
  position: relative;
  padding-left: 12px;
  font-size: 11.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
}

.pack li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 1px;
  background: var(--red-2);
}

.pack .btn {
  width: 100%;
  justify-content: center;
  margin-top: 4px;
}

/* 下载 */
.dl {
  display: grid;
  gap: 10px;
}

.dl__item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 15px 18px;
  border: 1px solid rgba(230, 36, 41, 0.35);
  border-radius: 3px;
  background: linear-gradient(
    110deg,
    rgba(109, 2, 9, 0.34) 0%,
    rgba(179, 18, 28, 0.26) 30%,
    rgba(255, 59, 64, 0.16) 50%,
    rgba(179, 18, 28, 0.26) 70%,
    rgba(109, 2, 9, 0.34) 100%
  );
  background-size: 260% 100%;
  transition: border-color 0.3s, transform 0.3s var(--ease), box-shadow 0.35s;
}

.dl__item:hover {
  border-color: rgba(255, 90, 95, 0.85);
  transform: translateX(4px);
  animation: btnFlow 4.5s linear infinite;
  box-shadow: 0 14px 40px -18px rgba(230, 36, 41, 0.95);
}

.dl__item svg {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--red-2);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.dl__item span {
  display: grid;
  margin-right: auto;
}

.dl__item b {
  font-size: 14px;
  color: #fff;
}

.dl__item i {
  font-style: normal;
  margin-top: 3px;
  font-size: 11px;
  color: var(--ash-2);
}

.dl__item em {
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--red-2);
}

.specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.specs dt {
  margin-bottom: 5px;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--ash-2);
}

.specs dd {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.7);
}

/* 教程 */
.steps {
  display: grid;
  gap: 16px;
}

.steps li {
  display: flex;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.steps li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.steps b {
  flex-shrink: 0;
  width: 42px;
  font-family: var(--font-display);
  font-size: 25px;
  line-height: 1;
  color: rgba(230, 36, 41, 0.6);
}

.steps h3 {
  margin-bottom: 6px;
  font-size: 14.5px;
  color: #fff;
}

.steps p {
  font-size: 12.5px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.55);
}

.steps p + p {
  margin-top: 4px;
}

/* 购买面板里的版本说明 */
.steps--buy {
  margin-top: 28px;
  gap: 22px;
}

.steps--buy b {
  font-size: 28px;
  color: #ff2a3a;
  text-shadow: 0 0 18px rgba(230, 36, 41, 0.6);
}

.steps--buy h3 {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}

.steps--buy h3 em {
  font-style: normal;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--red-2);
  margin-left: 9px;
  vertical-align: middle;
}

.steps--buy p {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.75;
  letter-spacing: 0.015em;
  color: rgba(255, 255, 255, 0.72);
}

.steps--buy p + p {
  margin-top: 6px;
}

body.is-sheet .nav {
  opacity: 0.25;
  pointer-events: none;
}

/* ==========================================================================
   点击进入 开场页
   ========================================================================== */
body.is-gate {
  overflow: hidden;
}

.enter {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #04050a;
  transition: opacity 0.9s var(--ease), visibility 0.9s;
}

.enter.is-gone {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* ---------- 背景剧照：两张叠化 ---------- */
.enter__bg {
  position: absolute;
  inset: -3%;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  background-color: #04050a;
}

.enter__bg--a {
  background-image: url('assets/img/slide-1.jpg'), url('https://image.tmdb.org/t/p/w1280/iQFcwSGbZXMkeyKrxbPnwnRo5fl.jpg');
  animation: enterZoom 18s ease-out infinite alternate;
}

.enter__bg--b {
  background-image: url('assets/img/slide-4.jpg'), url('https://image.tmdb.org/t/p/w1280/AeK2MPOpYrOOgZNfFnfwp0L8tNn.jpg');
  animation: enterCross 14s ease-in-out infinite;
}

@keyframes enterZoom {
  from {
    transform: scale(1.02);
  }
  to {
    transform: scale(1.13);
  }
}

@keyframes enterCross {
  0%,
  38% {
    opacity: 0;
  }
  52%,
  88% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

.enter__tint {
  position: absolute;
  inset: 0;
  background: linear-gradient(
      180deg,
      rgba(4, 5, 10, 0.9) 0%,
      rgba(4, 5, 10, 0.3) 26%,
      rgba(4, 5, 10, 0.34) 56%,
      rgba(4, 5, 10, 0.94) 100%
    ),
    radial-gradient(58% 52% at 20% 26%, rgba(230, 36, 41, 0.42), transparent 66%),
    radial-gradient(52% 48% at 82% 74%, rgba(35, 90, 255, 0.34), transparent 66%);
}

/* ---------- 蛛网 ---------- */
.enter__web {
  position: absolute;
  color: rgba(255, 255, 255, 0.5);
  pointer-events: none;
  animation: webIn 2.2s var(--ease) 0.2s both;
}

.enter__web svg {
  display: block;
}

.enter__web--tl {
  top: 0;
  left: 0;
  width: 58vw;
  height: 72vh;
}

.enter__web--br {
  right: 0;
  bottom: 0;
  width: 48vw;
  height: 60vh;
  opacity: 0.6;
  animation-delay: 0.6s;
}

@keyframes webIn {
  from {
    opacity: 0;
    transform: scale(1.1);
  }
}

/* ---------- 荡秋千 ---------- */
.enter__swing {
  position: absolute;
  top: -12%;
  left: 50%;
  width: 90px;
  transform-origin: top center;
  animation: swing 4.4s cubic-bezier(0.45, 0, 0.55, 1) infinite alternate;
  filter: drop-shadow(0 0 16px rgba(230, 36, 41, 0.9));
  pointer-events: none;
}

.enter__swing svg {
  width: 100%;
  height: auto;
  display: block;
}

@keyframes swing {
  from {
    transform: rotate(-23deg);
  }
  to {
    transform: rotate(23deg);
  }
}

/* ---------- 扫描光 ---------- */
.enter__scan {
  position: absolute;
  left: 0;
  right: 0;
  height: 22vh;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.07), transparent);
  animation: scanDown 7s linear infinite;
  pointer-events: none;
}

@keyframes scanDown {
  0% {
    top: -24vh;
  }
  100% {
    top: 104vh;
  }
}

/* ---------- 内容 ---------- */
.enter__box {
  position: relative;
  z-index: 3;
  display: grid;
  justify-items: center;
  text-align: center;
  padding: 0 20px;
}

.enter__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.42em;
  color: rgba(255, 255, 255, 0.62);
  padding: 9px 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
  animation: enterIn 0.9s var(--ease) 0.3s both;
}

.enter__eyebrow i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red-2);
  box-shadow: 0 0 12px var(--red-2);
  animation: blink 1.4s ease-in-out infinite;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.2;
  }
}

.enter__title {
  position: relative;
  margin: 24px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 11.5vw, 9.5rem);
  line-height: 0.84;
  letter-spacing: -0.015em;
  color: #fff;
  white-space: nowrap;
  text-shadow: 0 26px 70px rgba(0, 0, 0, 0.75), 0 0 100px rgba(230, 36, 41, 0.55);
  animation: titleBoom 1.2s var(--ease) 0.15s both;
}

@keyframes titleBoom {
  from {
    opacity: 0;
    transform: scale(1.24);
    filter: blur(18px);
  }
  to {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

/* 红蓝错位重影 */
.enter__title::before,
.enter__title::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
  animation: titleShift 3.6s ease-in-out infinite;
}

.enter__title::before {
  color: var(--red-2);
  mix-blend-mode: screen;
}

.enter__title::after {
  color: #14e8ff;
  mix-blend-mode: screen;
  animation-delay: -1.8s;
}

@keyframes titleShift {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(-5px, 3px, 0);
  }
}

.enter__cn {
  margin: 16px 0 0;
  font-size: clamp(13px, 1.5vw, 16px);
  font-weight: 700;
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  color: rgba(255, 255, 255, 0.72);
  animation: enterIn 0.9s var(--ease) 0.7s both;
}

@keyframes enterIn {
  from {
    opacity: 0;
    transform: translateY(18px);
    filter: blur(6px);
  }
  to {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

/* ---------- 按钮：圆形主按钮（纯黑 + 红边） ---------- */
.enter__btn {
  position: relative;
  display: grid;
  place-items: center;
  width: 148px;
  height: 148px;
  margin-top: 40px;
  padding: 0;
  border: 2px solid rgba(230, 36, 41, 0.9);
  border-radius: 50%;
  color: #fff;
  isolation: isolate;
  background: radial-gradient(circle at 34% 26%, #2a2c38 0%, #14151d 34%, #08090e 62%, #030407 100%);
  box-shadow: 0 30px 70px -22px rgba(0, 0, 0, 1), 0 0 0 1px rgba(255, 255, 255, 0.06) inset,
    inset 0 -14px 30px rgba(0, 0, 0, 0.85), inset 0 10px 24px rgba(255, 255, 255, 0.12),
    0 0 26px rgba(230, 36, 41, 0.45);
  animation: enterIn 0.9s var(--ease) 0.9s both, orbPulse 3.2s ease-in-out 1.6s infinite;
  transition: transform 0.36s var(--ease), box-shadow 0.36s, border-color 0.36s;
}

/* 外圈旋转的红色蛛网点阵 */
.enter__btn::before {
  content: "";
  position: absolute;
  inset: -28px;
  z-index: -1;
  border-radius: 50%;
  background-image: radial-gradient(circle, rgba(230, 36, 41, 0.9) 1.2px, transparent 1.6px);
  background-size: 13px 13px;
  -webkit-mask-image: radial-gradient(circle, transparent 50%, #000 57%, #000 76%, transparent 82%);
  mask-image: radial-gradient(circle, transparent 50%, #000 57%, #000 76%, transparent 82%);
  animation: orbSpin 18s linear infinite;
  opacity: 0.9;
}

/* 外圈虚线环 */
.enter__btn::after {
  content: "";
  position: absolute;
  inset: -16px;
  z-index: -1;
  border-radius: 50%;
  border: 1px dashed rgba(230, 36, 41, 0.45);
  animation: orbSpin 30s linear infinite reverse;
}

/* 新增的多层旋转装饰 */
.enter__fx {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: -2;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

/* 第 3 层：外层断线弧环，慢速正向转 */
.enter__fx--arc {
  width: 232px;
  height: 232px;
  border-radius: 50%;
  border: 1px solid rgba(230, 36, 41, 0.55);
  border-top-color: rgba(255, 90, 95, 1);
  border-right-color: transparent;
  border-bottom-color: transparent;
  animation: orbSpin 9s linear infinite;
  box-shadow: 0 0 22px -6px rgba(230, 36, 41, 0.85);
}

/* 第 4 层：更外一圈斜切弧，反向慢转 */
.enter__fx--arc2 {
  width: 292px;
  height: 292px;
  border-radius: 50%;
  border: 1px solid rgba(230, 36, 41, 0.28);
  border-left-color: rgba(255, 90, 95, 0.9);
  border-top-color: transparent;
  animation: orbSpin 15s linear infinite reverse;
}

/* 第 5 层：刻度环 */
.enter__fx--ticks {
  width: 262px;
  height: 262px;
  border-radius: 50%;
  background: repeating-conic-gradient(
    rgba(230, 36, 41, 0.85) 0deg 1.1deg,
    transparent 1.1deg 12deg
  );
  -webkit-mask-image: radial-gradient(circle, transparent 63%, #000 66%, #000 70%, transparent 73%);
  mask-image: radial-gradient(circle, transparent 63%, #000 66%, #000 70%, transparent 73%);
  animation: orbSpin 42s linear infinite;
  opacity: 0.75;
}

/* 第 6 层：最外侧细网，极慢转 */
.enter__fx--mesh {
  width: 344px;
  height: 344px;
  border-radius: 50%;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.5) 0.9px, transparent 1.3px);
  background-size: 19px 19px;
  -webkit-mask-image: radial-gradient(circle, transparent 62%, #000 72%, #000 86%, transparent 96%);
  mask-image: radial-gradient(circle, transparent 62%, #000 72%, #000 86%, transparent 96%);
  animation: orbSpin 60s linear infinite reverse;
  opacity: 0.5;
}

/* 呼吸的光晕底 */
.enter__fx--halo {
  width: 210px;
  height: 210px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 36, 41, 0.45) 0%, transparent 66%);
  animation: haloBreathe 4.2s ease-in-out infinite;
  z-index: -3;
}

@keyframes haloBreathe {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.6;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.18);
    opacity: 1;
  }
}

@keyframes orbSpin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes orbPulse {
  0%,
  100% {
    box-shadow: 0 30px 70px -22px rgba(0, 0, 0, 1), 0 0 0 1px rgba(255, 255, 255, 0.06) inset,
      inset 0 -14px 30px rgba(0, 0, 0, 0.85), inset 0 10px 24px rgba(255, 255, 255, 0.12),
      0 0 26px rgba(230, 36, 41, 0.45), 0 0 0 0 rgba(230, 36, 41, 0.55);
  }
  62% {
    box-shadow: 0 30px 70px -22px rgba(0, 0, 0, 1), 0 0 0 1px rgba(255, 255, 255, 0.06) inset,
      inset 0 -14px 30px rgba(0, 0, 0, 0.85), inset 0 10px 24px rgba(255, 255, 255, 0.12),
      0 0 26px rgba(230, 36, 41, 0.45), 0 0 0 36px rgba(230, 36, 41, 0);
  }
}

/* 球内文字：居中，加粗红字 */
.enter__btn-txt {
  position: relative;
  z-index: 5;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-indent: 0.16em;
  color: #ff2a3a;
  text-shadow: 0 0 16px rgba(230, 36, 41, 0.95), 0 0 38px rgba(230, 36, 41, 0.6),
    0 2px 6px rgba(0, 0, 0, 0.9);
  transition: color 0.36s var(--ease), text-shadow 0.36s;
}

/* 高光扫过 */
.enter__btn-glow {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: 50%;
  overflow: hidden;
  pointer-events: none;
}

.enter__btn-glow::after {
  content: "";
  position: absolute;
  top: -45%;
  left: -90%;
  width: 46%;
  height: 190%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-20deg);
  mix-blend-mode: overlay;
  animation: btnSheen 4.4s ease-in-out 1.8s infinite;
}

@keyframes btnSheen {
  0% {
    left: -90%;
  }
  52%,
  100% {
    left: 170%;
  }
}

.enter__btn:hover {
  transform: scale(1.055);
  border-color: #ff3b40;
  box-shadow: 0 36px 90px -20px rgba(0, 0, 0, 1), 0 0 0 1px rgba(255, 255, 255, 0.1) inset,
    inset 0 -14px 30px rgba(0, 0, 0, 0.8), inset 0 10px 28px rgba(255, 255, 255, 0.18),
    0 0 70px rgba(230, 36, 41, 0.85), 0 0 0 1px rgba(255, 60, 70, 0.5);
}

.enter__btn:hover svg {
  opacity: 1;
}

.enter__btn:hover > .enter__btn-txt {
  color: #ff6b62;
  text-shadow: 0 0 24px rgba(255, 60, 70, 1), 0 0 60px rgba(255, 60, 70, 0.7),
    0 2px 6px rgba(0, 0, 0, 0.9);
}

.enter__btn:active {
  transform: scale(0.97);
}

.enter__hint {
  margin: 66px 0 0;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.36);
  animation: enterIn 0.9s var(--ease) 1.1s both;
}

/* ---------- 底部字幕条 ---------- */
.enter__ticker {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  overflow: hidden;
  padding: 12px 0;
  border-top: 1px solid rgba(230, 36, 41, 0.3);
  background: linear-gradient(90deg, rgba(6, 7, 12, 0.9), rgba(20, 6, 10, 0.9), rgba(6, 7, 12, 0.9));
}

.enter__ticker > div {
  display: flex;
  align-items: center;
  gap: 28px;
  width: max-content;
  animation: tickerMove 30s linear infinite;
}

.enter__ticker span {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
}

.enter__ticker b {
  color: var(--red);
  font-size: 10px;
}

@keyframes tickerMove {
  to {
    transform: translateX(-50%);
  }
}

/* 进入时的一次白闪 */
.enter__flash {
  position: fixed;
  inset: 0;
  z-index: 501;
  pointer-events: none;
  background: #fff;
  opacity: 0;
}

.enter__flash.run {
  animation: enterFlash 0.75s ease-out forwards;
}

@keyframes enterFlash {
  0% {
    opacity: 0;
  }
  18% {
    opacity: 0.85;
  }
  100% {
    opacity: 0;
  }
}

/* ---------- 手机竖屏：竖版海报层 ---------- */
.stage__poster {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}

.stage__poster-item {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0;
  animation: posterSwap 18s ease-in-out infinite;
  will-change: opacity, transform;
}

.stage__poster-item:nth-child(2) {
  animation-delay: -9s;
}

@keyframes posterSwap {
  0% {
    opacity: 0;
    transform: scale(1.04);
  }
  8% {
    opacity: 1;
  }
  44% {
    opacity: 1;
    transform: scale(1.1);
  }
  52% {
    opacity: 0;
    transform: scale(1.1);
  }
  100% {
    opacity: 0;
    transform: scale(1.04);
  }
}

/* 桌面隐藏 */
.hero__facts {
  display: none;
}

/* ==========================================================================
   分类按钮网格（教程 / 下载共用）
   ========================================================================== */
.tl-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 6px 0 12px;
}

.tl-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* 下载分组标题 */
.dl-group {
  margin: 0 0 26px;
}

.dl-group__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--red-2);
}

.dl-group__title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(230, 36, 41, 0.5), transparent);
}

.tl-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 16px 18px 16px 24px;
  border-radius: 6px;
  border: 1px solid rgba(230, 36, 41, 0.3);
  background: linear-gradient(
    155deg,
    rgba(255, 255, 255, 0.07) 0%,
    rgba(255, 255, 255, 0.015) 58%,
    rgba(230, 36, 41, 0.06) 100%
  );
  color: rgba(255, 255, 255, 0.88);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.4;
  text-align: center;
  transition: color 0.3s, border-color 0.35s, transform 0.35s var(--ease),
    box-shadow 0.35s, background 0.35s;
}

/* 左侧红色竖标记 */
.tl-btn::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 18px;
  margin-top: -9px;
  border-radius: 0 2px 2px 0;
  background: var(--red-2);
  box-shadow: 0 0 12px rgba(255, 59, 64, 0.9);
  transition: height 0.35s var(--ease), background 0.3s, box-shadow 0.3s;
}

.tl-btn:hover {
  color: #fff;
  border-color: rgba(255, 90, 95, 0.9);
  background: linear-gradient(
    155deg,
    rgba(230, 36, 41, 0.34) 0%,
    rgba(230, 36, 41, 0.12) 60%,
    rgba(230, 36, 41, 0.22) 100%
  );
  transform: translateY(-2px);
  box-shadow: 0 16px 38px -18px rgba(230, 36, 41, 1), inset 0 0 26px rgba(230, 36, 41, 0.14);
}

.tl-btn:hover::before {
  height: 70%;
  background: #fff;
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.95);
}

.tl-btn:active {
  transform: translateY(0);
}

/* ==========================================================================
   QQ 群按钮（售后）
   ========================================================================== */
.qq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 8px 0 12px;
}

.qq-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 6px;
  border: 1px solid rgba(18, 183, 245, 0.34);
  background: linear-gradient(150deg, rgba(18, 183, 245, 0.15), rgba(18, 183, 245, 0.03));
  color: #fff;
  transition: border-color 0.35s, transform 0.35s var(--ease), box-shadow 0.35s,
    background 0.35s;
}

.qq-btn svg {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  fill: #12b7f5;
  filter: drop-shadow(0 0 10px rgba(18, 183, 245, 0.65));
  transition: transform 0.35s var(--ease);
}

.qq-btn span {
  display: grid;
  min-width: 0;
}

.qq-btn b {
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.qq-btn i {
  font-style: normal;
  margin-top: 3px;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.42);
}

.qq-btn:hover {
  border-color: rgba(18, 183, 245, 0.9);
  background: linear-gradient(150deg, rgba(18, 183, 245, 0.32), rgba(18, 183, 245, 0.1));
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -18px rgba(18, 183, 245, 0.95), inset 0 0 26px rgba(18, 183, 245, 0.12);
}

.qq-btn:hover svg {
  transform: scale(1.12);
}

.qq-btn:active {
  transform: translateY(0);
}

/* 1群 / 2群：红色（已满） */
.qq-btn.is-full {
  border-color: rgba(230, 36, 41, 0.55);
  background: linear-gradient(150deg, rgba(230, 36, 41, 0.2), rgba(230, 36, 41, 0.04));
}

.qq-btn.is-full svg {
  fill: #ff4d52;
  filter: drop-shadow(0 0 10px rgba(230, 36, 41, 0.7));
}

.qq-btn.is-full b {
  color: #fff;
}

.qq-btn.is-full i {
  color: #ff8a8e;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.qq-btn.is-full:hover {
  border-color: rgba(255, 90, 95, 0.95);
  background: linear-gradient(150deg, rgba(230, 36, 41, 0.4), rgba(230, 36, 41, 0.12));
  box-shadow: 0 16px 40px -18px rgba(230, 36, 41, 0.95), inset 0 0 26px rgba(230, 36, 41, 0.14);
}

/* 3群：绿色（可加入） */
.qq-btn.is-open {
  border-color: rgba(0, 224, 138, 0.5);
  background: linear-gradient(150deg, rgba(0, 224, 138, 0.18), rgba(0, 224, 138, 0.03));
}

.qq-btn.is-open svg {
  fill: #14e58a;
  filter: drop-shadow(0 0 12px rgba(0, 224, 138, 0.8));
}

.qq-btn.is-open b {
  color: #fff;
}

.qq-btn.is-open i {
  color: #6ff2b8;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.qq-btn.is-open:hover {
  border-color: rgba(0, 255, 160, 0.95);
  background: linear-gradient(150deg, rgba(0, 224, 138, 0.36), rgba(0, 224, 138, 0.1));
  box-shadow: 0 16px 40px -18px rgba(0, 224, 138, 0.95), inset 0 0 26px rgba(0, 224, 138, 0.14);
}

/* 手机上三个群按钮改为竖排，避免文字被挤成一条 */
/* ---------- 玩服找服：站点入口（金色系） ---------- */
.svc {
  margin: 18px 0 0;
}

/* 标题块：四个大字 + 一句说明 */
.svc__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin-bottom: 13px;
}

.svc__label {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-left: 14px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: #ffd77a;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.85), 0 0 26px rgba(255, 177, 0, 0.42);
}

/* 左侧一条竖金杠 */
.svc__label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 15px;
  border-radius: 2px;
  transform: translateY(-50%);
  background: linear-gradient(180deg, #ffd77a, #e08c00);
  box-shadow: 0 0 12px rgba(255, 177, 0, 0.9);
}

/* 右侧一个会呼吸的小金点 */
.svc__label i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ffc233;
  box-shadow: 0 0 12px rgba(255, 196, 51, 1), 0 0 24px rgba(255, 177, 0, 0.7);
  animation: svcDot 2.4s ease-in-out infinite;
}

/* 副标题 */
.svc__desc {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.42);
}

@keyframes svcDot {
  0%,
  100% {
    opacity: 0.65;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.25);
  }
}

.svc__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 11px;
}

/* 卡片：暗金玻璃 + 顶部高光 + 右上角金色光弧 */
.svc-btn {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto auto;
  column-gap: 10px;
  align-items: center;
  padding: 14px 15px;
  border: 1px solid rgba(255, 190, 60, 0.4);
  border-radius: 5px;
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(255, 177, 0, 0.2), transparent 58%),
    linear-gradient(160deg, rgba(30, 20, 8, 0.86), rgba(14, 12, 10, 0.88));
  color: #fff;
  overflow: hidden;
  isolation: isolate;
  transition: border-color 0.35s, transform 0.35s var(--ease), box-shadow 0.35s,
    background 0.4s;
}

/* 顶部一道渐隐高光 */
.svc-btn::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 236, 170, 0.75), transparent);
  opacity: 0.7;
  transition: opacity 0.35s;
}

/* 右上角金色光弧 */
.svc-btn::after {
  content: "";
  position: absolute;
  top: -32px;
  right: -32px;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 196, 51, 0.5), transparent 66%);
  opacity: 0.6;
  transition: opacity 0.4s, transform 0.5s var(--ease);
  pointer-events: none;
  z-index: -1;
}

.svc-btn__idx {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: rgba(255, 214, 130, 0.42);
  transition: color 0.3s;
}

/* 域名：金色，最显眼的一行 */
.svc-btn b {
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #ffd77a;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.85), 0 0 18px rgba(255, 177, 0, 0.35);
  transition: color 0.3s, text-shadow 0.3s;
}

.svc-btn i {
  grid-column: 2;
  font-style: normal;
  margin-top: 3px;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(255, 235, 190, 0.5);
}

.svc-btn__go {
  grid-row: 1 / span 2;
  grid-column: 3;
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  border-radius: 50%;
  border: 1px solid rgba(255, 190, 60, 0.5);
  background: rgba(255, 177, 0, 0.16);
  color: #ffd77a;
  transition: border-color 0.3s, background 0.3s, transform 0.35s var(--ease),
    box-shadow 0.3s, color 0.3s;
}

.svc-btn__go svg {
  width: 13px;
  height: 13px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* 悬停：金色更亮、上浮、外发光 */
.svc-btn:hover {
  border-color: rgba(255, 205, 90, 1);
  transform: translateY(-3px);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(255, 190, 30, 0.34), transparent 60%),
    linear-gradient(160deg, rgba(62, 40, 8, 0.92), rgba(24, 18, 10, 0.94));
  box-shadow: 0 18px 42px -18px rgba(255, 177, 0, 1), 0 0 30px -10px rgba(255, 196, 51, 0.7),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.svc-btn:hover::before {
  opacity: 1;
}

.svc-btn:hover::after {
  opacity: 1;
  transform: scale(1.15);
}

.svc-btn:hover .svc-btn__idx {
  color: #ffcf5c;
}

.svc-btn:hover b {
  color: #fff3d0;
  text-shadow: 0 0 18px rgba(255, 196, 51, 0.85), 0 1px 10px rgba(0, 0, 0, 0.85);
}

.svc-btn:hover i {
  color: rgba(255, 250, 235, 0.8);
}

.svc-btn:hover .svc-btn__go {
  border-color: rgba(255, 210, 100, 1);
  background: linear-gradient(140deg, #ffc233, #e08c00);
  color: #3a2400;
  transform: rotate(8deg) scale(1.06);
  box-shadow: 0 0 18px -2px rgba(255, 196, 51, 0.95);
}

@media (max-width: 560px) {
  .svc__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .qq-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   微信二维码入口 + 二维码弹层
   ========================================================================== */
.wx-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  margin: 0 0 4px;
  padding: 15px 18px;
  border-radius: 6px;
  border: 1px solid rgba(7, 193, 96, 0.42);
  background: linear-gradient(150deg, rgba(7, 193, 96, 0.2), rgba(7, 193, 96, 0.03));
  color: #fff;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.35s, transform 0.35s var(--ease), box-shadow 0.35s,
    background 0.35s;
}

.wx-btn__icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(7, 193, 96, 0.16);
  box-shadow: inset 0 0 0 1px rgba(7, 193, 96, 0.35);
  transition: transform 0.35s var(--ease), background 0.35s;
}

.wx-btn__icon svg {
  width: 20px;
  height: 20px;
  fill: #24e07c;
  filter: drop-shadow(0 0 8px rgba(7, 193, 96, 0.7));
}

.wx-btn__txt {
  display: grid;
  min-width: 0;
  flex: 1;
}

.wx-btn__txt b {
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.wx-btn__txt i {
  font-style: normal;
  margin-top: 3px;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(120, 240, 175, 0.72);
}

.wx-btn__go {
  flex-shrink: 0;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid rgba(7, 193, 96, 0.55);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: #7df3b6;
  background: rgba(7, 193, 96, 0.12);
  transition: color 0.3s, background 0.3s, border-color 0.3s;
}

.wx-btn:hover {
  border-color: rgba(36, 224, 124, 0.95);
  background: linear-gradient(150deg, rgba(7, 193, 96, 0.34), rgba(7, 193, 96, 0.1));
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -18px rgba(7, 193, 96, 0.9), inset 0 0 26px rgba(7, 193, 96, 0.12);
}

.wx-btn:hover .wx-btn__icon {
  transform: scale(1.08);
  background: rgba(7, 193, 96, 0.28);
}

.wx-btn:hover .wx-btn__go {
  color: #062b16;
  background: #24e07c;
  border-color: #24e07c;
}

.wx-btn:active {
  transform: translateY(0);
}

/* 二维码弹层 */
.qr {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.4s var(--ease), visibility 0.4s;
}

.qr.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.qr__backdrop {
  position: absolute;
  inset: 0;
  background: radial-gradient(62% 58% at 50% 44%, rgba(4, 5, 9, 0.62), rgba(2, 3, 6, 0.94) 76%);
  backdrop-filter: blur(4px) saturate(1.05);
  -webkit-backdrop-filter: blur(4px) saturate(1.05);
}

.qr__box {
  position: relative;
  width: min(392px, 100%);
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  padding: 30px 28px 26px;
  text-align: center;
  border: 1px solid rgba(7, 193, 96, 0.4);
  border-radius: 6px;
  background: radial-gradient(80% 55% at 50% 0%, rgba(7, 193, 96, 0.22), transparent 72%),
    linear-gradient(180deg, rgba(12, 14, 20, 0.98), rgba(6, 8, 12, 0.99));
  box-shadow: 0 40px 120px -40px rgba(0, 0, 0, 0.95), 0 0 60px -28px rgba(7, 193, 96, 0.75);
  transform: translateY(14px) scale(0.97);
  transition: transform 0.45s var(--ease);
}

.qr.is-open .qr__box {
  transform: none;
}

.qr__close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(7, 193, 96, 0.55);
  border-radius: 50%;
  color: #fff;
  background: rgba(7, 193, 96, 0.14);
  cursor: pointer;
  transition: transform 0.35s var(--ease), background 0.3s, border-color 0.3s;
}

.qr__close:hover {
  background: #07c160;
  border-color: #24e07c;
  transform: rotate(90deg) scale(1.06);
}

.qr__close svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

.qr__idx {
  display: block;
  font-size: 10.5px;
  letter-spacing: 0.34em;
  color: rgba(120, 240, 175, 0.7);
}

.qr__title {
  margin: 12px 0 18px;
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #fff;
}

.qr__frame {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 1 / 1;
  padding: 13px;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 0 0 1px rgba(7, 193, 96, 0.5), 0 22px 50px -28px rgba(7, 193, 96, 0.9);
}

.qr__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 2px;
}

.qr__fallback {
  display: none;
  font-size: 12.5px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: #4a5058;
}

.qr.is-empty .qr__img {
  display: none;
}

.qr.is-empty .qr__fallback {
  display: block;
}

.qr__tip {
  margin: 16px 0 0;
  font-size: 11.5px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.5);
}

body.is-qr {
  overflow: hidden;
}

/* ---------- 07 小屏 / 矮屏适配 ---------- */

/* ==========================================================================
   音乐开关 & 自动播放提示
   ========================================================================== */
.music {
  position: fixed;
  right: 22px;
  bottom: 80px;
  z-index: 120;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px 11px 13px;
  border: 1px solid rgba(230, 36, 41, 0.6);
  border-radius: 999px;
  background: linear-gradient(
    110deg,
    rgba(109, 2, 9, 0.9) 0%,
    rgba(179, 18, 28, 0.85) 30%,
    rgba(255, 59, 64, 0.7) 50%,
    rgba(179, 18, 28, 0.85) 70%,
    rgba(109, 2, 9, 0.9) 100%
  );
  background-size: 260% 100%;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.1em;
  transition: transform 0.3s var(--ease), box-shadow 0.35s, border-color 0.3s;
  box-shadow: 0 14px 40px -16px rgba(230, 36, 41, 0.95), inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}

.music:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 100, 105, 1);
  box-shadow: 0 20px 52px -14px rgba(255, 59, 64, 1), inset 0 0 0 1px rgba(255, 255, 255, 0.3);
  animation: btnFlow 4s linear infinite;
}

.music__icon {
  position: relative;
  width: 16px;
  height: 16px;
  display: grid;
  place-items: center;
}

.music__icon svg {
  position: absolute;
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: opacity 0.25s;
}

.music__off {
  opacity: 0;
}

/* 关闭状态：显示带斜线的图标 */
.music:not([aria-pressed="true"]) .music__note {
  opacity: 0;
}
.music:not([aria-pressed="true"]) .music__off {
  opacity: 1;
}

.music__wave {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}

.music__wave i {
  width: 2px;
  height: 3px;
  border-radius: 1px;
  background: currentColor;
}

/* 关闭时：降低饱和度，一眼看出是「关」 */
.music:not([aria-pressed="true"]) {
  background: linear-gradient(
    110deg,
    rgba(28, 29, 38, 0.92) 0%,
    rgba(46, 47, 60, 0.9) 50%,
    rgba(28, 29, 38, 0.92) 100%
  );
  background-size: 260% 100%;
  border-color: rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.62);
  box-shadow: 0 12px 34px -16px rgba(0, 0, 0, 0.9);
}

.music[aria-pressed="true"] .music__wave i {
  animation: eqBar 0.9s ease-in-out infinite;
}

.music[aria-pressed="true"] .music__wave i:nth-child(2) {
  animation-delay: 0.15s;
}
.music[aria-pressed="true"] .music__wave i:nth-child(3) {
  animation-delay: 0.3s;
}
.music[aria-pressed="true"] .music__wave i:nth-child(4) {
  animation-delay: 0.45s;
}

@keyframes eqBar {
  0%,
  100% {
    height: 3px;
  }
  50% {
    height: 12px;
  }
}

/* 自动播放被拦截的提示 */
.tap {
  position: fixed;
  left: 50%;
  bottom: 150px;
  z-index: 130;
  transform: translateX(-50%);
  animation: tapIn 0.6s var(--ease);
}

.tap[hidden] {
  display: none;
}

@keyframes tapIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.tap__box {
  display: grid;
  justify-items: center;
  gap: 4px;
  padding: 16px 28px;
  border: 1px solid rgba(230, 36, 41, 0.55);
  border-radius: 4px;
  background: rgba(8, 9, 14, 0.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 60px -20px rgba(230, 36, 41, 0.8);
  cursor: pointer;
  animation: tapPulse 2s ease-in-out infinite;
}

@keyframes tapPulse {
  0%,
  100% {
    box-shadow: 0 20px 60px -20px rgba(230, 36, 41, 0.8);
  }
  50% {
    box-shadow: 0 20px 70px -14px rgba(230, 36, 41, 1), 0 0 0 4px rgba(230, 36, 41, 0.12);
  }
}

.tap__mark {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--red-2);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  margin-bottom: 4px;
}

.tap__box b {
  font-size: 14px;
  color: #fff;
  letter-spacing: 0.04em;
}

.tap__box i {
  font-style: normal;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.42);
}

@media (max-width: 780px) {
  .packs {
    grid-template-columns: 1fr;
  }

  .specs {
    grid-template-columns: 1fr;
  }

  .sheet__box {
    max-height: calc(100vh - 40px);
    padding: 24px 18px 28px;
  }

  .sheet__pane {
    min-height: 0;
  }

  .stage__glow {
    width: 130vw;
    height: 130vw;
  }
}

@media (max-height: 760px) {
  .hero {
    padding-bottom: 92px;
  }

  .hero__title {
    font-size: clamp(2.4rem, 9vw, 7rem);
  }

  .hero__lead {
    font-size: 12.5px;
    line-height: 1.95;
  }

  .hero__stats {
    display: none;
  }

  .hero__foot {
    font-size: 9.5px;
  }
}

/* ==========================================================================
   手机端专项优化
   ========================================================================== */
@media (max-width: 820px) {
  /* ---------- 开场页：手机上做减法，放大核心 ---------- */
  .enter__title {
    font-size: clamp(2.6rem, 16vw, 5.4rem);
    letter-spacing: -0.02em;
    line-height: 0.88;
  }

  .enter__cn {
    margin-top: 12px;
    font-size: 11px;
    letter-spacing: 0.3em;
    text-indent: 0.3em;
    color: rgba(255, 255, 255, 0.6);
  }

  .enter__eyebrow {
    font-size: 9px;
    letter-spacing: 0.26em;
    padding: 7px 14px;
    gap: 7px;
  }

  /* 圆球放大，手指好点 */
  .enter__btn {
    width: 176px;
    height: 176px;
    margin-top: 70px;
  }

  .enter__btn-txt {
    font-size: 20px;
    letter-spacing: 0.14em;
    text-indent: 0.14em;
  }

  /* 五层环全保留，尺寸适配小屏 —— 手机上也要够热闹 */
  .enter__fx--arc {
    width: 238px;
    height: 238px;
  }
  .enter__fx--arc2 {
    width: 278px;
    height: 278px;
  }
  .enter__fx--ticks {
    width: 256px;
    height: 256px;
  }
  .enter__fx--mesh {
    width: 322px;
    height: 322px;
  }
  .enter__fx--halo {
    width: 212px;
    height: 212px;
  }

  .enter__hint {
    margin-top: 84px;
    font-size: 10px;
    max-width: 240px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.4);
  }

  /* 两张蛛网都保留 */
  .enter__web--tl {
    width: 88vw;
    height: 42vh;
    opacity: 0.85;
  }
  .enter__web--br {
    width: 62vw;
    height: 30vh;
    opacity: 0.6;
  }

  /* 秋千蜘蛛加回来 */
  .enter__swing {
    display: block;
    width: 54px;
    top: -14%;
  }

  /* 背景在竖屏下露出人物上半身 */
  .enter__bg {
    background-position: center 28%;
  }

  .enter__ticker {
    padding: 9px 0;
  }

  .enter__ticker span {
    font-size: 11px;
    letter-spacing: 0.06em;
  }

  .enter__ticker > div {
    gap: 20px;
  }

  /* ---------- 导航：不再折叠，4 项直接平铺 ---------- */
  :root {
    --nav-h: 62px;
  }

  .nav {
    height: 62px;
    padding: 0 12px;
    gap: 6px;
  }

  .nav::after {
    opacity: 1;
  }

  .brand {
    gap: 7px;
  }

  .brand__mark {
    width: 28px;
    height: 28px;
  }

  .brand__txt b {
    font-size: 13px;
    letter-spacing: 0;
  }

  /* 取消 940px 断点里的全屏遮罩，改回横排 */
  .nav__links,
  .nav.is-open .nav__links {
    position: static;
    inset: auto;
    z-index: auto;
    flex: 1;
    flex-direction: row;
    justify-content: space-evenly;
    align-items: center;
    gap: 0;
    margin-left: 2px;
    padding: 0;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    clip-path: none;
    pointer-events: auto;
    transition: none;
  }

  .nav__links a {
    width: auto;
    padding: 5px 9px 6px;
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.04em;
    border-bottom: 0;
    opacity: 1;
    transform: none;
    min-height: 0;
    color: rgba(255, 255, 255, 0.82);
  }

  .nav__links a {
    width: 56px;
    height: 38px;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.02em;
  }

  .nav__links a::after {
    width: 8px;
    height: 8px;
    top: 1px;
  }

  .nav__links a::before {
    box-shadow: inset 0 0 0 0.75px rgba(255, 90, 95, 0.7);
  }

  .nav__links {
    flex: 1;
    justify-content: space-evenly;
    gap: 0;
    padding: 0;
    border: 0;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
    margin-left: 6px;
  }

  /* 当前页：字保持白色 */
  .nav__links a.is-active {
    color: #fff;
  }

  /* 触摸时给反馈 */
  .nav__links a:active {
    color: #fff;
  }

  /* 汉堡按钮不再需要 */
  .burger {
    display: none !important;
  }

  /* 手机上「立即下载」收进面板里，不再占导航位置 */
  .nav__tools {
    display: none;
  }

  /* ---------- 主站 ---------- */
  .hero__title {
    font-size: clamp(2.6rem, 15.5vw, 5.2rem);
    line-height: 0.88;
    letter-spacing: -0.02em;
    text-shadow: 0 16px 44px rgba(0, 0, 0, 0.7), 0 0 50px rgba(230, 36, 41, 0.45);
  }

  .eyebrow {
    font-size: 9px;
    letter-spacing: 0.18em;
    padding: 7px 13px;
    gap: 7px;
  }

  .hero {
    padding: calc(var(--nav-h) + 16px) 16px 140px;
  }

  /* 竖屏改用竖版海报，人物完整不裁切 */
  /* 手机数据条：填补标题与时钟之间的空白 */
  .hero__facts {
    display: flex;
    justify-content: center;
    gap: 36px;
    margin-top: 48px;
    animation: fadeUp 1s var(--ease) 1.5s both;
  }

  .hero__facts > div {
    text-align: center;
  }

  .hero__facts b {
    display: block;
    font-family: var(--font-display);
    font-size: 34px;
    line-height: 1;
    color: #fff;
    text-shadow: 0 0 24px rgba(230, 36, 41, 0.6);
  }

  .hero__facts i {
    display: block;
    margin-top: 7px;
    font-style: normal;
    font-size: 10px;
    letter-spacing: 0.18em;
    color: rgba(255, 255, 255, 0.48);
  }

  /* 时间放大并抬高，给底部留出呼吸 */
  .hero__stats {
    bottom: 78px;
  }

  .stat b {
    font-size: 44px;
    letter-spacing: 0.04em;
    transform: scaleY(1.24);
  }

  .stat i {
    font-size: 10px;
    letter-spacing: 0.26em;
    margin-top: 5px;
  }

  .hero__foot {
    font-size: 8.5px;
    line-height: 1.6;
    bottom: 20px;
    width: calc(100% - 40px);
  }

  /* 音乐按钮移到右上，彻底避开底部文字 */
  .music {
    top: calc(var(--nav-h) + 10px);
    right: 14px;
    bottom: auto;
    padding: 10px 14px;
    gap: 6px;
    font-size: 10.5px;
  }

  /* ---------- 面板 ---------- */
  .sheet {
    padding: 0;
    align-items: end;
  }

  .sheet__box {
    width: 100%;
    max-height: 92vh;
    border-radius: 12px 12px 0 0;
    border-left: 0;
    border-right: 0;
    border-bottom: 0;
    padding: 26px 18px 34px;
    transform: translateY(100%);
    transition: transform 0.45s var(--ease);
  }

  .sheet.is-open .sheet__box {
    transform: none;
  }

  /* 顶部拖动条 */
  .sheet__box::before {
    content: "";
    position: absolute;
    top: 9px;
    left: 50%;
    width: 40px;
    height: 4px;
    margin-left: -20px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.22);
  }

  .sheet__close {
    top: 16px;
    right: 14px;
    width: 34px;
    height: 34px;
  }

  .sheet__title {
    font-size: 1.4rem;
  }

  .sheet__sub {
    font-size: 12px;
    margin-bottom: 20px;
  }

  .pack {
    padding: 16px 14px;
  }

  .pack__price {
    font-size: 26px;
  }

  .dl__item {
    padding: 14px 14px;
  }

  .steps li {
    gap: 12px;
  }

  .steps b {
    font-size: 21px;
    width: 34px;
  }

  .steps h3 {
    font-size: 14px;
  }

  .steps p {
    font-size: 12px;
  }

  /* 分类按钮在手机上两列 */
  .tl-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 10px;
  }

  .tl-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tl-btn {
    min-height: 50px;
    font-size: 12.5px;
    padding: 11px 10px 11px 18px;
  }

  .dl-group {
    margin-bottom: 20px;
  }

  .dl-group__title {
    font-size: 14px;
    margin-bottom: 11px;
  }

  /* ---------- 保留氛围层，只降强度 ---------- */
  .stage__skyline {
    height: 24vh;
    opacity: 0.85;
  }

  .stage__beam {
    opacity: 0.7;
  }

  .scan {
    opacity: 0.22;
  }

  .grain {
    opacity: 0.12;
  }

  /* 触屏设备隐藏自定义光标 */
  .cursor {
    display: none !important;
  }

  /* ---------- 红蓝对撞：贴近蜘蛛侠战衣配色 ---------- */
  .stage__glow--red {
    width: 130vw;
    height: 130vw;
    top: -40vw;
    left: -40vw;
  }

  .stage__glow--cyan {
    width: 130vw;
    height: 130vw;
    right: -46vw;
    bottom: -44vw;
    background: radial-gradient(
      circle,
      rgba(47, 107, 255, 0.6) 0%,
      rgba(20, 46, 150, 0.28) 32%,
      transparent 70%
    );
  }

  /* 标题描边保持红色系，不换白 */
}

/* 手机竖屏：切换成竖版海报（只在竖屏生效） */
@media (max-width: 820px) and (orientation: portrait) {
  .stage__poster {
    display: block;
  }

  .stage__slide {
    display: none;
  }
}

/* 超窄屏（iPhone SE 之类） */
@media (max-width: 390px) {
  .brand__txt {
    display: none;
  }

  .nav__links a {
    font-size: 11.5px;
    padding: 4px 7px 5px;
    letter-spacing: 0.02em;
  }

  .enter__title {
    font-size: clamp(2.2rem, 17vw, 3.8rem);
  }

  .enter__btn {
    width: 156px;
    height: 156px;
    margin-top: 48px;
  }

  .enter__btn-txt {
    font-size: 18px;
  }

  .enter__fx--arc {
    width: 214px;
    height: 214px;
  }

  .enter__fx--arc2 {
    width: 246px;
    height: 246px;
  }

  .enter__fx--ticks {
    width: 230px;
    height: 230px;
  }

  .enter__fx--mesh {
    width: 286px;
    height: 286px;
  }

  .enter__hint {
    margin-top: 72px;
  }

  .brand__txt b {
    font-size: 16px;
  }

  .nav {
    padding: 0 14px;
  }

  .hero__title {
    font-size: clamp(2.2rem, 16vw, 3.6rem);
  }

  .stat b {
    font-size: 36px;
  }
}

/* 横屏手机：高度很小，进一步压缩 */
@media (max-width: 950px) and (max-height: 500px) and (orientation: landscape) {
  .hero {
    padding-bottom: 60px;
  }

  .hero__title {
    font-size: clamp(1.8rem, 7vw, 3.2rem);
  }

  .hero__stats {
    display: none;
  }

  .hero__foot {
    display: none;
  }

  .enter__title {
    font-size: clamp(1.6rem, 7vw, 3rem);
  }

  .enter__btn {
    width: 112px;
    height: 112px;
    margin-top: 24px;
  }

  .enter__cn,
  .enter__eyebrow {
    display: none;
  }

  .enter__hint {
    margin-top: 20px;
  }
}