/* =============================================================================
   PhishGenix 官网样式（深色科技风）

   宿主：本文件由 nginx 以 /mkt/ 前缀直接托管，不经过任何构建步骤 —— 改完刷新即生效。
   约束：站点只被挂到 "/" 与 "/mkt/" 两个路径，所以这里不得引用根路径下的任何资源
        （favicon 走 /mkt/favicon.svg，不碰产品自己的 /favicon.ico）。

   设计变量集中在 :root，配色延续产品主色 #3B82F6 与 Logo 的青蓝渐变。
   ============================================================================= */

/* ---------------------------------------------------------------- tokens */
:root {
  --bg: #06080d;
  --bg-soft: #0a0e16;
  --panel: #0b1119;
  --panel-2: #101826;
  --line: rgba(148, 163, 184, 0.13);
  --line-strong: rgba(148, 163, 184, 0.26);

  --text: #e8eef7;
  --text-2: #9aa8bc;
  --text-3: #6b7a90;

  --cyan: #22d3ee;
  --blue: #3b82f6;
  --violet: #8b5cf6;
  --grad: linear-gradient(102deg, #22d3ee 0%, #3b82f6 55%, #8b5cf6 100%);

  --radius: 16px;
  --radius-sm: 10px;
  --container: 1200px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --font: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

/* .btn 的 display 会盖住浏览器默认的 [hidden]，这里显式兜住：
   下载入口与版本号在 JS 填值前都靠 hidden 占位，不能先闪一下。 */
[hidden] {
  display: none !important;
}

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

h1,
h2,
h3,
h4,
p,
ul,
ol {
  margin: 0;
}

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

::selection {
  background: rgba(34, 211, 238, 0.24);
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ------------------------------------------------------------- 页面底纹 */
/* 网格与光晕都挂在 body 的固定层上：滚动时不重排，也不参与内容布局 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(148, 163, 184, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 0%, transparent 78%);
}

/* ----------------------------------------------------------------- 栅格 */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}

.container-narrow {
  max-width: 860px;
}

/* -------------------------------------------------------------- 通用按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.25s var(--ease),
    border-color 0.25s var(--ease), background 0.25s var(--ease), color 0.2s;
}

.btn svg {
  width: 18px;
  height: 18px;
  transition: transform 0.25s var(--ease);
}

.btn-primary {
  padding: 13px 22px;
  color: #04121c;
  background: linear-gradient(102deg, #67e8f9 0%, #3b82f6 58%, #818cf8 100%);
  box-shadow: 0 10px 30px -12px rgba(59, 130, 246, 0.9),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 36px -12px rgba(34, 211, 238, 0.85),
    inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.btn-primary:hover svg {
  transform: translateX(3px);
}

.btn-ghost {
  padding: 13px 22px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line-strong);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(34, 211, 238, 0.45);
  transform: translateY(-1px);
}

.btn-text {
  padding: 10px 6px;
  color: var(--text-2);
  font-weight: 500;
}

.btn-text:hover {
  color: var(--text);
}

.btn-sm {
  padding: 9px 16px;
  font-size: 14px;
}

.btn-lg {
  padding: 16px 28px;
  font-size: 16px;
}

.btn-block {
  width: 100%;
}

/* ------------------------------------------------------------------ 导航 */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease),
    backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: rgba(6, 8, 13, 0.78);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.brand-mark {
  width: 26px;
  height: 28px;
}

.brand-name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* 品牌名占位：名称未确定前先隐藏，避免首屏闪出默认产品名。
   属性由页内联脚本添加，禁用 JS 时不会命中，默认文案照常显示。 */
html[data-brand-pending] [data-system-name] {
  visibility: hidden;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: 12px;
  font-size: 14.5px;
  color: var(--text-2);
}

.nav-links a {
  position: relative;
  padding: 6px 0;
  transition: color 0.2s;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 0;
  background: var(--grad);
  transition: width 0.25s var(--ease);
}

.nav-links a:hover {
  color: var(--text);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

/* 竖分隔线写成一个固定高度的空元素，而不是两侧元素的 border ——
   「控制台」是文字按钮、盒子比语言切换高，用 border 会一高一矮。 */
.nav-divider {
  flex: 0 0 auto;
  width: 1px;
  height: 14px;
  background: var(--line);
}

/* 兜底：主 CTA 被试用门控摘掉后（main.js 删 [data-signup]），它前头那根竖线会变成行首孤线 */
.nav-actions > .nav-divider:first-child {
  display: none;
}

/* 账号入口排在工具区最右，左右内边距归零：文字与分隔线、与容器右缘都对齐 */
.nav-console {
  padding-right: 0;
  padding-left: 0;
}

/* 语言切换是最弱的一层：纯文字、无底色、无描边，靠两侧竖线夹在工具区里。
   状态口径与控制台那枚下拉同源（localStorage.lang 只能是 zh / en，点一次即时生效），
   但视觉上不能抢「免费试用」—— 品牌渐变只留给那一个动作。 */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.lang-sep {
  color: var(--text-3);
  font-size: 11px;
  opacity: 0.45;
  user-select: none;
}

.lang-btn {
  padding: 4px 2px;
  border: 0;
  border-radius: 0;
  background: none;
  color: var(--text-3);
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: color 0.2s;
}

.lang-btn:hover {
  color: var(--text-2);
}

/* 选中态只提亮 + 加粗。原先跟主按钮同一套渐变，等于顶栏出现两个同等分量的按钮，
   把中间的「控制台」夹住了 —— 现在主色只属于「免费试用」。 */
.lang-btn[aria-pressed="true"] {
  color: var(--text);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: transparent;
  cursor: pointer;
  position: relative;
}

.nav-toggle span {
  position: absolute;
  left: 10px;
  width: 16px;
  height: 1.5px;
  background: var(--text-2);
  transition: transform 0.25s var(--ease), opacity 0.2s;
}

.nav-toggle span:nth-child(1) {
  top: 15px;
}

.nav-toggle span:nth-child(2) {
  top: 21px;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(3px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  transform: translateY(-3px) rotate(-45deg);
}

/* ------------------------------------------------------------------ 首屏 */
.hero {
  position: relative;
  padding: 152px 0 96px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  animation: drift 18s ease-in-out infinite alternate;
}

.hero-glow.g1 {
  width: 620px;
  height: 620px;
  right: -140px;
  top: -180px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.36), transparent 62%);
}

.hero-glow.g2 {
  width: 520px;
  height: 520px;
  left: -180px;
  top: 120px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.32), transparent 65%);
  animation-delay: -6s;
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-28px, 26px, 0) scale(1.08);
  }
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  gap: 56px;
  align-items: center;
}

/* 标语为两段各 9 / 10 字，hero 文案列在 1200 容器下只有 576px 宽，
   68px 时一行塞不下（会折成四行），故上限收到 56px；小屏下限 30px，
   保证 390px 视口下第二行（10 字）不折行。 */
.hero h1 {
  margin: 24px 0 0;
  font-size: clamp(30px, 4.4vw, 56px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.028em;
}

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  max-width: 33em;
  margin: 22px 0 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--text-2);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-3);
}

.trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--text-3);
}

.trust li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.trust li::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-3);
}

/* -------------------------------------------------------- 首屏态势面板 */
.hero-visual {
  position: relative;
}

.panel-glow {
  position: absolute;
  inset: 8% 0 -6% 8%;
  background: radial-gradient(ellipse at 60% 40%, rgba(59, 130, 246, 0.34), transparent 68%);
  filter: blur(60px);
  z-index: 0;
}

.panel {
  position: relative;
  z-index: 1;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(168deg, rgba(18, 26, 40, 0.96), rgba(8, 12, 19, 0.96));
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.9),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--text-3);
}

.panel-dots {
  display: inline-flex;
  gap: 5px;
}

.panel-dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.3);
}

.panel-title {
  color: var(--text-2);
  letter-spacing: 0.02em;
}

.panel-tag {
  margin-left: auto;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 5px;
  font-size: 11px;
  color: var(--text-3);
}

.panel-main {
  display: grid;
  grid-template-columns: 1fr 0.92fr;
  gap: 8px;
  align-items: center;
  padding: 20px 20px 16px;
}

.radar {
  position: relative;
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.radar-rings {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.radar-rings circle,
.radar-rings path {
  stroke: rgba(34, 211, 238, 0.16);
  stroke-width: 1;
  fill: none;
}

.radar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    rgba(34, 211, 238, 0) 0deg,
    rgba(34, 211, 238, 0) 268deg,
    rgba(34, 211, 238, 0.3) 356deg,
    rgba(34, 211, 238, 0.05) 360deg
  );
  animation: spin 7s linear infinite;
}

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

.point {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #67e8f9;
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.18), 0 0 16px rgba(34, 211, 238, 0.8);
  animation: blink 3.2s ease-in-out infinite;
}

.point.p1 {
  top: 26%;
  left: 62%;
}

.point.p2 {
  top: 62%;
  left: 33%;
  animation-delay: -1.1s;
}

.point.p3 {
  top: 71%;
  left: 68%;
  animation-delay: -2.3s;
  background: #93c5fd;
  box-shadow: 0 0 0 3px rgba(147, 197, 253, 0.16), 0 0 16px rgba(147, 197, 253, 0.75);
}

@keyframes blink {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(0.85);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

.kpi {
  display: grid;
  gap: 16px;
}

.kpi li {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "label value" "bar bar";
  gap: 4px 8px;
  align-items: baseline;
}

.kpi-label {
  grid-area: label;
  font-size: 12.5px;
  color: var(--text-3);
}

.kpi-value {
  grid-area: value;
  font-size: 22px;
  font-weight: 650;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.kpi-value em {
  font-size: 12px;
  font-style: normal;
  color: var(--text-3);
  margin-left: 1px;
}

.kpi-bar {
  grid-area: bar;
  height: 3px;
  border-radius: 3px;
  background: rgba(148, 163, 184, 0.14);
  overflow: hidden;
}

.kpi-bar i {
  display: block;
  height: 100%;
  width: var(--w);
  border-radius: 3px;
  background: var(--grad);
}

.panel-foot {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--text-3);
}

.live {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #34d399;
}

.live i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.18);
}

.float-chip {
  position: absolute;
  right: -8px;
  bottom: -10px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(12, 18, 28, 0.92);
  backdrop-filter: blur(10px);
  font-size: 12.5px;
  color: var(--text-2);
  box-shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.9);
  animation: bob 6s ease-in-out infinite;
}

.float-chip i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.9);
}

@keyframes bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-7px);
  }
}

/* ------------------------------------------------------------------ 分区 */
.section {
  position: relative;
  /* 上内边距小于下内边距：锚点跳转时标题不会被自身留白推到屏幕中部 */
  padding: 64px 0 104px;
  z-index: 1;
  /* 顶部导航固定 68px：跳转后标题紧跟在导航下方，不再空出一大段 */
  scroll-margin-top: 68px;
}

.section-alt {
  background: linear-gradient(180deg, transparent, rgba(10, 14, 22, 0.9) 12%, rgba(10, 14, 22, 0.9) 88%, transparent);
}

/* 区块头不再整体收窄：标题按阅读节奏限宽，导语放到与卡片网格同宽。
   否则导语比下方卡片窄出三四百像素，末行只剩十来个字。 */
.section-head {
  margin-bottom: 56px;
}

.section-label {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.section-head h2 {
  max-width: 780px;
  margin: 16px 0 0;
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.02em;
}

.section-lead {
  margin-top: 18px;
  max-width: 100%;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-2);
  /* 与卡片同宽后行会变长，避免末行只剩两三个字；不支持的浏览器按普通换行 */
  text-wrap: pretty;
}

/* -------------------------------------------------------------- 能力卡片 */
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  position: relative;
  padding: 26px 24px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012));
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease),
    background 0.3s var(--ease);
  overflow: hidden;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: var(--grad);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(34, 211, 238, 0.28);
  background: linear-gradient(180deg, rgba(34, 211, 238, 0.05), rgba(255, 255, 255, 0.012));
}

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

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(34, 211, 238, 0.22);
  border-radius: 11px;
  background: rgba(34, 211, 238, 0.07);
  color: var(--cyan);
  margin-bottom: 20px;
}

.card-icon svg {
  width: 21px;
  height: 21px;
}

.card h3 {
  font-size: 17px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.card p {
  margin-top: 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-2);
}

/* ------------------------------------------------------------------ 闭环 */
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  position: relative;
}

.steps::before {
  content: "";
  position: absolute;
  top: 17px;
  left: 12px;
  right: 12px;
  height: 1px;
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.5), rgba(59, 130, 246, 0.35), rgba(139, 92, 246, 0.4));
  opacity: 0.55;
}

.step {
  position: relative;
  padding-top: 52px;
}

.step-no {
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 50%;
  background: var(--bg-soft);
  font-size: 12.5px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.step h3 {
  font-size: 16.5px;
  font-weight: 650;
}

.step p {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------------------------------------------------------------- 数据带 */
.band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 72px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}

.band li {
  padding: 28px 24px;
  background: rgba(10, 14, 22, 0.86);
  text-align: center;
}

.band strong {
  display: block;
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, #f1f5f9, #94a3b8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.band span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--text-3);
}

/* ------------------------------------------------------------------ 部署 */
.plans {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.plan {
  padding: 30px 28px 32px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.01));
  display: flex;
  flex-direction: column;
}

.plan-primary {
  border-color: rgba(59, 130, 246, 0.34);
  background: radial-gradient(120% 100% at 0% 0%, rgba(59, 130, 246, 0.16), transparent 58%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
  box-shadow: 0 30px 70px -50px rgba(59, 130, 246, 0.9);
}

.plan-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.plan-head h3 {
  font-size: 19px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.plan-badge {
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.3);
  font-size: 11.5px;
  color: #67e8f9;
}

.plan-badge-ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--text-3);
}

.plan-desc {
  margin-top: 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-2);
}

.plan-list {
  margin: 22px 0 26px;
  display: grid;
  gap: 11px;
  font-size: 14px;
  color: var(--text-2);
}

.plan-list li {
  display: flex;
  gap: 10px;
  line-height: 1.7;
}

.plan-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  border-radius: 50%;
  background: rgba(34, 211, 238, 0.14);
  box-shadow: inset 0 0 0 1px rgba(34, 211, 238, 0.4);
  mask-image: radial-gradient(circle at 50% 50%, transparent 2px, #000 2.5px);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, transparent 2px, #000 2.5px);
}

.plan .btn {
  margin-top: auto;
}

.plan .btn + .btn {
  margin-top: 10px;
}

/* ------------------------------------------------------------------ FAQ */
.faq {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 4px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 550;
  color: var(--text);
  transition: color 0.2s;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary:hover {
  color: #fff;
}

.faq summary::after {
  content: "";
  flex: 0 0 auto;
  width: 11px;
  height: 11px;
  border-right: 1.5px solid var(--text-3);
  border-bottom: 1.5px solid var(--text-3);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.25s var(--ease), border-color 0.2s;
}

.faq details[open] summary::after {
  transform: rotate(-135deg) translateY(-2px);
  border-color: var(--cyan);
}

.faq details p {
  padding: 0 44px 24px 4px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--text-2);
}

/* ------------------------------------------------------------- 底部转化 */
.cta-band {
  position: relative;
  padding: 96px 0;
  z-index: 1;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 78% at 50% 100%, rgba(59, 130, 246, 0.2), transparent 70%);
  pointer-events: none;
}

.cta-inner {
  text-align: center;
  max-width: 720px;
}

.cta-inner h2 {
  font-size: clamp(26px, 3.2vw, 40px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.02em;
}

.cta-inner p {
  margin-top: 16px;
  font-size: 15px;
  color: var(--text-2);
}

.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ------------------------------------------------------------------ 页脚 */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  background: #04060a;
  padding: 56px 0 28px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 32px;
}

/* 「联系我们」那一列只在真的配置了联系方式时才上场（main.js 会加 has-contact），
   否则它会白占一条 1fr 的轨道，右侧空出一块。 */
.footer-inner.has-contact {
  grid-template-columns: 1.6fr repeat(4, 1fr);
}

.footer-brand p {
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-3);
  max-width: 24em;
  line-height: 1.8;
}

.footer-col h4 {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
}

.footer-col a {
  display: block;
  padding: 5px 0;
  font-size: 13.5px;
  color: var(--text-2);
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--cyan);
}

/* ------------------------------------------------------- 联系我们（页脚） */
/* 内容由 main.js 按「系统设置 → 技术支持」渲染，可能是一封邮箱，也可能是以后加的
   电话 / 客服链接，所以这里只管排版，不假设只有一个条目。 */
.contact-list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-contact a,
.footer-contact .contact-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text-2);
  /* 长邮箱在窄列里不许把版心撑破 */
  word-break: break-all;
  transition: color 0.2s;
}

.footer-contact svg {
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  color: var(--text-3);
  transition: color 0.2s;
}

.footer-contact a:hover svg {
  color: var(--cyan);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--text-3);
}

.footer-meta {
  display: inline-flex;
  gap: 18px;
  align-items: center;
}

/* -------------------------------------------------------------- 进场动效 */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: calc(var(--delay, 0) * 80ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------------------------------------------------------------- 响应式 */
@media (max-width: 1080px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual {
    max-width: 520px;
  }

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

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  /* has-contact 的特异性比 .footer-inner 高，断点里必须显式覆盖回来 */
  .footer-inner.has-contact {
    grid-template-columns: 1fr 1fr;
  }
}

/* 导航在这一档开始拥挤（五个锚点 + 两个按钮），先收间距与字号，不必等到 860 换抽屉 */
@media (max-width: 1000px) {
  .nav-links {
    gap: 18px;
    font-size: 13.5px;
  }
}

@media (max-width: 860px) {
  .hero {
    padding: 120px 0 72px;
  }

  .section {
    padding: 48px 0 76px;
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 20px;
  }

  .steps::before {
    display: none;
  }

  .band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 48px;
  }

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

  .nav-links {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    margin: 0;
    padding: 12px 28px 20px;
    background: rgba(6, 8, 13, 0.97);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
    display: none;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 10px 0;
    width: 100%;
    font-size: 15px;
  }

  .nav-toggle {
    display: block;
  }

  .only-wide {
    display: none;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 20px;
  }

  /* 顶栏塞了品牌名 + 试用 + 语言切换 + 汉堡，这一档先让控制台文字入口退场
     （页脚「账号」栏仍有入口），避免整行被挤出视口。 */
  .nav-inner {
    gap: 14px;
  }

  .nav-console {
    display: none;
  }

  /* 控制台退场后别把它前面那根竖线留住，否则行尾挂一条没有下文的线 */
  .lang-switch + .nav-divider {
    display: none;
  }

  .hero h1 {
    font-size: clamp(30px, 8.6vw, 40px);
  }

  .hero-sub {
    font-size: 15px;
  }

  .cards,
  .steps,
  .band {
    grid-template-columns: 1fr;
  }

  .band {
    gap: 1px;
  }

  .band li {
    padding: 22px;
  }

  .panel-main {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .float-chip {
    right: 0;
    bottom: -14px;
  }

  .footer-inner,
  .footer-inner.has-contact {
    grid-template-columns: 1fr;
  }

  .cta-band {
    padding: 72px 0;
  }

  .faq details p {
    padding-right: 4px;
  }
}

@media (min-width: 861px) {
  .only-narrow {
    display: none;
  }
}

/* 用户要求减少动效时：只保留视觉静态，不做位移与旋转 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

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