@charset "utf-8";/**
 * VIP 会员权益 —— 前台页面样式（自包含）。
 *
 * 手写 CSS 复刻原型视觉，替代 Tailwind 运行时，保证首屏渲染速度。
 */

:root {
    --vip-primary: #3b82f6;
    --vip-secondary: #10b981;
    --vip-accent: #8b5cf6;
    --vip-warning: #f59e0b;
    --vip-danger: #ef4444;
    --vip-dark: #1e293b;
    --vip-light: #f8fafc;
    --vip-gray: #64748b;
    --vip-gray-light: #94a3b8;
    --vip-border: #e2e8f0;
    --vip-shadow: 0 10px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1);
    --vip-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);
    --vip-radius: 16px;
    --vip-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    /* 主容器宽度：大屏由响应式断点进一步放大，实现全屏自适应 */
    --vip-container: 1320px;
    /* 页面左右留白随视口伸缩：大屏不贴边、小屏不拥挤 */
    --vip-gutter: clamp(20px, 4vw, 72px);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

.vip-body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    color: var(--vip-dark);
    background:
        radial-gradient(1100px 620px at 100% -5%, rgba(139, 92, 246, .10), transparent 60%),
        radial-gradient(1000px 680px at -5% 35%, rgba(59, 130, 246, .09), transparent 60%),
        linear-gradient(135deg, #eff6ff 0%, #eef2ff 100%);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

.vip-body a {
    text-decoration: none;
    color: inherit;
}

.vip-body ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

/* 注意：以下 reset 用「.vip-body + 标签」书写，特异度（0,1,1）高于单类名规则（0,1,0），
 * 会覆盖 .vip-lead、.vip-tier__perks、.vip-*-__title 等类名自带的外边距，
 * 表现为说明文字左偏、标题与列表间距丢失。凡被这些 reset 覆盖的类名规则，
 * 一律写成「.vip-body .类名」把特异度提升到（0,2,0）。 */
.vip-body h1,
.vip-body h2,
.vip-body h3 {
    margin: 0;
    line-height: 1.3;
}

.vip-body p {
    margin: 0;
}

/* --------------------------------------------------------------------------
 * 通用按钮
 * ----------------------------------------------------------------------- */
.vip-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all .3s cubic-bezier(.4, 0, .2, 1);
    font-family: inherit;
}

.vip-btn:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);
}

.vip-btn:active {
    transform: translateY(0) scale(.98);
}

/* 使用 .vip-btn.vip-btn--xxx 提升特异度，避免被 .vip-body a { color: inherit } 覆盖
 * （hero 的白色按钮曾因此出现白底白字、文字不可见的问题）。 */
.vip-btn.vip-btn--gradient {
    background: linear-gradient(90deg, var(--vip-primary), var(--vip-accent));
    color: #fff;
    box-shadow: 0 10px 24px -8px rgba(79, 70, 229, .55);
}

.vip-btn.vip-btn--gradient:hover {
    box-shadow: 0 16px 34px -10px rgba(79, 70, 229, .65);
}

.vip-btn.vip-btn--white {
    background: #fff;
    color: var(--vip-primary);
    box-shadow: 0 12px 30px -12px rgba(15, 23, 42, .5);
}

.vip-btn.vip-btn--ghost {
    background: rgba(255, 255, 255, .06);
    border: 2px solid rgba(255, 255, 255, .85);
    color: #fff;
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}

.vip-btn.vip-btn--ghost:hover {
    background: rgba(255, 255, 255, .2);
}

.vip-btn.vip-btn--solid {
    background: var(--t-1, var(--vip-primary));
    color: #fff;
    width: 100%;
}

/* --------------------------------------------------------------------------
 * 导航栏
 * ----------------------------------------------------------------------- */
.vip-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .82);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, .06);
}

.vip-nav__inner {
    max-width: var(--vip-container);
    margin: 0 auto;
    padding: 14px var(--vip-gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.vip-brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: transform .3s;
}

.vip-brand:hover {
    transform: scale(1.05);
}

.vip-brand__icon {
    font-size: 1.6rem;
    color: var(--vip-primary);
    animation: vip-pulse 3s cubic-bezier(.4, 0, .6, 1) infinite;
}

.vip-brand__text {
    font-size: 1.2rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--vip-primary), var(--vip-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.vip-nav__links {
    display: flex;
    gap: 26px;
}

.vip-nav__link {
    position: relative;
    font-weight: 500;
    color: #334155;
    transition: color .3s;
}

.vip-nav__link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: var(--vip-primary);
    transition: width .3s;
}

.vip-nav__link:hover {
    color: var(--vip-primary);
}

.vip-nav__link:hover::after {
    width: 100%;
}

.vip-nav__right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.vip-nav__cta {
    padding: 10px 22px;
    font-size: .95rem;
}

.vip-nav__toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: #334155;
    cursor: pointer;
}

.vip-mobile-menu {
    display: none;
    flex-direction: column;
    padding: 12px 24px 20px;
    background: #fff;
    box-shadow: 0 10px 20px rgba(0, 0, 0, .08);
}

.vip-mobile-menu a {
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
    color: #334155;
    font-weight: 500;
}

.vip-mobile-menu a:last-child {
    border-bottom: none;
}

.vip-mobile-menu.is-open {
    display: flex;
}

/* --------------------------------------------------------------------------
 * Hero
 * ----------------------------------------------------------------------- */
.vip-hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(1100px 520px at 12% -12%, rgba(167, 139, 250, .65), transparent 58%),
        radial-gradient(900px 480px at 88% 2%, rgba(56, 189, 248, .5), transparent 55%),
        radial-gradient(760px 620px at 50% 130%, rgba(236, 72, 153, .38), transparent 60%),
        linear-gradient(135deg, #4c1d95 0%, #4338ca 48%, #0369a1 100%);
    color: #fff;
    padding: clamp(76px, 8vw, 140px) var(--vip-gutter) clamp(88px, 9vw, 152px);
    text-align: center;
}

/* 细密网格纹理：向顶部聚拢后渐隐，增强纵深与「大气」质感 */
.vip-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
    background-size: 46px 46px;
    -webkit-mask-image: radial-gradient(130% 105% at 50% 0%, #000 42%, transparent 100%);
    mask-image: radial-gradient(130% 105% at 50% 0%, #000 42%, transparent 100%);
    pointer-events: none;
}

/* 底部柔光过渡：让 Hero 与页面浅色背景顺滑衔接 */
.vip-hero::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 140px;
    background: linear-gradient(180deg, rgba(238, 242, 255, 0) 0%, rgba(238, 242, 255, .55) 70%, #eef2ff 100%);
    pointer-events: none;
}

.vip-hero__deco {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.vip-hero__blob {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, .1);
}

.vip-hero__blob--tl {
    top: 0;
    left: 0;
    width: 260px;
    height: 260px;
    transform: translate(-50%, -50%);
}

.vip-hero__blob--br {
    bottom: 0;
    right: 0;
    width: 380px;
    height: 380px;
    transform: translate(33%, 33%);
}

.vip-hero__dot {
    position: absolute;
    border-radius: 50%;
    animation: vip-ping 2s cubic-bezier(0, 0, .2, 1) infinite;
}

.vip-hero__dot--a {
    top: 25%;
    right: 25%;
    width: 16px;
    height: 16px;
    background: rgba(255, 255, 255, .3);
}

.vip-hero__dot--b {
    top: 75%;
    left: 25%;
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, .2);
    animation-delay: 1s;
}

.vip-hero__dot--c {
    top: 50%;
    right: 33%;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, .1);
    animation-delay: 2s;
}

.vip-hero__inner {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.vip-hero__crown {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: clamp(84px, 18vw, 104px);
    height: clamp(84px, 18vw, 104px);
    margin: 0 auto 22px;
    font-size: clamp(2.2rem, 6vw, 2.8rem);
    color: #fde047;
    border-radius: 50%;
    border: 1px solid rgba(253, 224, 71, .55);
    background: radial-gradient(circle at 50% 34%, rgba(253, 224, 71, .32), rgba(253, 224, 71, .04) 72%);
    box-shadow: 0 0 46px rgba(253, 224, 71, .38), inset 0 0 22px rgba(253, 224, 71, .22);
    animation: vip-float 6s ease-in-out infinite;
}

.vip-body .vip-hero__title {
    font-size: clamp(2.4rem, 8vw, 4.4rem);
    font-weight: 800;
    letter-spacing: .015em;
    line-height: 1.15;
    color: #fff;
    text-shadow: 0 4px 34px rgba(49, 24, 108, .5), 0 1px 2px rgba(0, 0, 0, .2);
    margin-bottom: 18px;
}

/* 不限宽 + 字号随视口收缩，保证副标题在 ≥ 约 590px 视口下始终为一行 */
.vip-body .vip-hero__subtitle {
    font-size: clamp(1.05rem, 2.6vw, 1.35rem);
    line-height: 1.75;
    opacity: .95;
    max-width: none;
    margin: 0 auto 36px;
    text-shadow: 0 2px 12px rgba(49, 24, 108, .35);
    text-wrap: balance;
}

.vip-hero__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

/* Hero 主行动按钮：加大尺寸与字重，提升首屏分量感 */
.vip-hero__actions .vip-btn {
    padding: 15px 34px;
    font-size: 1.05rem;
    border-radius: 12px;
}

/* --------------------------------------------------------------------------
 * 布局容器
 * ----------------------------------------------------------------------- */
.vip-main {
    width: 100%;
    max-width: var(--vip-container);
    margin: 0 auto;
    padding: 0 var(--vip-gutter) clamp(64px, 7vw, 108px);
}

.vip-section {
    margin-bottom: clamp(72px, 7vw, 118px);
    scroll-margin-top: 80px;
}

.vip-card {
    background: #fff;
    border-radius: var(--vip-radius);
    box-shadow: var(--vip-shadow);
}

.vip-card--pad {
    padding: 40px;
}

.vip-section-head {
    text-align: center;
    margin-bottom: 48px;
}

.vip-eyebrow {
    display: inline-block;
    padding: 6px 22px;
    border-radius: 999px;
    background: rgba(59, 130, 246, .1);
    color: var(--vip-primary);
    font-weight: 500;
    font-size: .9rem;
    margin-bottom: 16px;
}

.vip-h2 {
    font-size: clamp(1.7rem, 2.8vw, 2.7rem);
    font-weight: 700;
    color: var(--vip-dark);
}

/* 居中区块标题下的渐变装饰线 */
.vip-section-head .vip-h2::after {
    content: '';
    display: block;
    width: 66px;
    height: 4px;
    margin: 16px auto 0;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--vip-primary), var(--vip-accent));
}

/* 说明文字水平居中（auto 外边距需不被 reset 覆盖） */
.vip-body .vip-lead {
    max-width: 820px;
    margin: 16px auto 0;
    color: var(--vip-gray);
    text-align: center;
    text-wrap: balance;
}

/* 会员套餐说明（各等级下载数量 / 购买优惠）：适当放宽行宽后仍保持水平居中 */
#plans .vip-lead {
    max-width: 840px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* --------------------------------------------------------------------------
 * 会员权益速览（GEO：面向生成式 AI 的可读要点）
 * ----------------------------------------------------------------------- */
.vip-quickfacts {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}

.vip-fact {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
    padding: 30px 18px;
    background: #fff;
    border: 1px solid var(--vip-border);
    border-radius: var(--vip-radius);
    box-shadow: var(--vip-shadow);
    overflow: hidden;
    transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}

.vip-fact::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 0%), rgba(139, 92, 246, .10), transparent 62%);
    opacity: 0;
    transition: opacity .35s;
    pointer-events: none;
}

.vip-fact:hover::after {
    opacity: 1;
}

.vip-fact:hover {
    transform: translateY(-6px);
    box-shadow: var(--vip-shadow-lg);
    border-color: rgba(139, 92, 246, .3);
}

.vip-fact__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 1.4rem;
    color: #fff;
    background: var(--vip-gradient);
    box-shadow: 0 12px 22px -8px rgba(102, 126, 234, .7);
}

.vip-fact__value {
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--vip-dark);
    font-variant-numeric: tabular-nums;
}

.vip-fact__label {
    font-size: .92rem;
    line-height: 1.6;
    color: var(--vip-gray);
}

.vip-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.vip-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

/* --------------------------------------------------------------------------
 * 使用规则
 * ----------------------------------------------------------------------- */
.vip-rule {
    position: relative;
    padding: 34px 30px 30px;
    background: #fff;
    border: 1px solid var(--vip-border);
    border-radius: 18px;
    box-shadow: var(--vip-shadow);
    overflow: hidden;
    transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
}

/* 顶部渐变强调条（颜色由主题变量驱动） */
.vip-rule::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--rule-accent, linear-gradient(90deg, var(--vip-primary), var(--vip-accent)));
}

/* 右上角大号半透明序号 */
.vip-rule__num {
    position: absolute;
    top: 14px;
    right: 22px;
    font-size: 3.4rem;
    font-weight: 800;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    color: var(--rule-accent-solid, var(--vip-primary));
    opacity: .1;
    pointer-events: none;
    transition: opacity .4s ease;
}

.vip-rule:hover {
    transform: translateY(-8px);
    box-shadow: var(--vip-shadow-lg);
    border-color: var(--rule-accent-solid, var(--vip-primary));
}

.vip-rule:hover .vip-rule__num {
    opacity: .2;
}

.vip-rule__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    border-radius: 16px;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: #fff;
    background: linear-gradient(135deg, var(--vip-primary), var(--vip-accent));
    box-shadow: 0 12px 22px -10px rgba(59, 130, 246, .8);
    transition: transform .4s ease;
}

.vip-rule:hover .vip-rule__icon {
    transform: scale(1.06) rotate(-3deg);
}

/* 三色主题：蓝 / 紫 / 绿 */
.vip-rule--blue {
    --rule-accent: linear-gradient(90deg, #3b82f6, #60a5fa);
    --rule-accent-solid: #3b82f6;
}

.vip-rule--blue .vip-rule__icon {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    box-shadow: 0 12px 22px -10px rgba(59, 130, 246, .85);
}

.vip-rule--purple {
    --rule-accent: linear-gradient(90deg, #8b5cf6, #a78bfa);
    --rule-accent-solid: #8b5cf6;
}

.vip-rule--purple .vip-rule__icon {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    box-shadow: 0 12px 22px -10px rgba(139, 92, 246, .85);
}

.vip-rule--green {
    --rule-accent: linear-gradient(90deg, #10b981, #34d399);
    --rule-accent-solid: #10b981;
}

.vip-rule--green .vip-rule__icon {
    background: linear-gradient(135deg, #10b981, #059669);
    box-shadow: 0 12px 22px -10px rgba(16, 185, 129, .85);
}

.vip-body .vip-rule__title {
    font-size: 1.18rem;
    font-weight: 700;
    color: var(--vip-dark);
    margin-bottom: 12px;
}

.vip-rule__text {
    color: var(--vip-gray);
    font-size: .95rem;
    line-height: 1.75;
}

/* 特别提醒：左侧强调条 + 渐变图标 */
.vip-alert {
    position: relative;
    display: flex;
    gap: 20px;
    margin-top: 40px;
    padding: 30px 34px;
    border-radius: 18px;
    background: linear-gradient(135deg, #fffbeb, #fff7ed);
    border: 1px solid #fde68a;
    border-left: 5px solid var(--vip-warning);
    box-shadow: 0 12px 28px -16px rgba(245, 158, 11, .6);
}

.vip-alert__icon {
    flex-shrink: 0;
    width: 54px;
    height: 54px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    font-size: 1.4rem;
    box-shadow: 0 12px 22px -10px rgba(245, 158, 11, .9);
}

.vip-alert__body {
    flex: 1;
    min-width: 0;
}

.vip-body .vip-alert__title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #92400e;
    margin-bottom: 10px;
}

.vip-alert__text {
    color: #b45309;
    font-size: .95rem;
    line-height: 1.8;
}

/* --------------------------------------------------------------------------
 * 会员套餐
 * ----------------------------------------------------------------------- */
/* 采用 flex 换行 + 居中对齐：条目数量不足一行时自动水平居中，
 * 不再固定 4 列左对齐。 */
.vip-tiers {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
    gap: 28px;
    margin-top: 8px;
}

.vip-tier {
    position: relative;
    display: flex;
    flex-direction: column;
    flex: 1 1 240px;
    max-width: 340px;
    background: #fff;
    border-radius: 24px;
    box-shadow: 0 18px 40px -22px rgba(15, 23, 42, .28), 0 2px 6px -2px rgba(15, 23, 42, .06);
    padding: 42px 32px 36px;
    border: 1px solid var(--vip-border);
    overflow: hidden;
    isolation: isolate;
    transition: transform .45s cubic-bezier(.4, 0, .2, 1), box-shadow .45s, border-color .45s;
}

/* 顶部品牌渐变条：每档按主题色区分，强化卡片识别度 */
.vip-tier::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--t-1), var(--t-2));
    z-index: 2;
}

/* hover 鼠标聚光：由 JS 写入 --mx / --my，未启用时使用柔和默认位置 */
.vip-tier::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 0%), rgba(59, 130, 246, .12), transparent 62%);
    opacity: 0;
    transition: opacity .35s;
    pointer-events: none;
}

.vip-tier:hover::after {
    opacity: 1;
}

.vip-tier:hover {
    transform: translateY(-12px);
    box-shadow: 0 32px 60px -22px rgba(15, 23, 42, .38);
    border-color: rgba(59, 130, 246, .35);
}

.vip-tier--featured {
    border: 2px solid transparent;
    background:
        linear-gradient(#fff, #fff) padding-box,
        linear-gradient(135deg, #8b5cf6, #d946ef, #6366f1) border-box;
    box-shadow: 0 34px 70px -20px rgba(139, 92, 246, .60), 0 0 0 1px rgba(139, 92, 246, .14), 0 0 60px -12px rgba(217, 70, 239, .35);
    z-index: 2;
}

.vip-tier--featured:hover {
    box-shadow: 0 40px 78px -20px rgba(139, 92, 246, .65), 0 0 0 1px rgba(139, 92, 246, .18);
}

.vip-tier__badge {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 3;
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    color: #fff;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .06em;
    padding: 8px 22px;
    border-bottom-left-radius: 16px;
    border-top-right-radius: 24px;
    box-shadow: 0 10px 22px -6px rgba(239, 68, 68, .55);
    animation: vip-glow 2s ease-in-out infinite alternate;
}

.vip-tier__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 76px;
    height: 76px;
    border-radius: 50%;
    margin: 0 auto 26px;
    font-size: 1.8rem;
    color: #fff;
    background: linear-gradient(135deg, var(--t-1), var(--t-2));
    box-shadow: 0 12px 26px -6px var(--t-1), inset 0 0 0 4px rgba(255, 255, 255, .28);
    transition: transform .3s, box-shadow .3s;
}

.vip-tier:hover .vip-tier__icon {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 18px 34px -8px var(--t-1), inset 0 0 0 4px rgba(255, 255, 255, .35);
}

.vip-body .vip-tier__name {
    text-align: center;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: .02em;
    color: var(--vip-dark);
    margin-bottom: 10px;
}

.vip-tier__price-box {
    text-align: center;
    border-radius: 18px;
    padding: 22px 18px;
    margin-bottom: 26px;
    background: linear-gradient(180deg, var(--t-soft), #fff);
    border: 1px solid rgba(15, 23, 42, .05);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8), 0 8px 20px -16px var(--t-1);
}

.vip-tier__price {
    font-size: 2.9rem;
    font-weight: 800;
    letter-spacing: -.02em;
    line-height: 1.1;
    color: var(--t-1);
    font-variant-numeric: tabular-nums;
    text-shadow: 0 6px 18px rgba(15, 23, 42, .08);
}

.vip-tier__period {
    margin-left: 4px;
    color: var(--vip-gray);
}

.vip-tier__note {
    display: block;
    margin-top: 4px;
    font-size: .85rem;
    color: var(--vip-gray);
}

.vip-body .vip-tier__perks {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
    padding-top: 22px;
    border-top: 1px dashed rgba(15, 23, 42, .08);
    flex-grow: 1;
}

.vip-tier__perk {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #4b5563;
    font-size: .95rem;
}

.vip-tier__perk i {
    width: 20px;
    margin-top: 2px;
    text-align: center;
    color: var(--vip-gray-light);
    flex-shrink: 0;
}

.vip-tier__perk--muted {
    color: var(--vip-gray-light);
}

.vip-tier__perk--ok i {
    color: var(--vip-secondary);
    filter: drop-shadow(0 2px 6px rgba(16, 185, 129, .35));
}

/* 套餐主按钮：渐变底 + 悬浮抬升，强化「大气」观感 */
.vip-btn.vip-tier__btn {
    margin-top: auto;
    padding: 15px 28px;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: .04em;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--t-1), var(--t-2));
    box-shadow: 0 16px 30px -14px var(--t-1);
}

.vip-btn.vip-tier__btn:hover {
    box-shadow: 0 22px 40px -14px var(--t-1);
}

.vip-t--blue {
    --t-1: #3b82f6;
    --t-2: #60a5fa;
    --t-soft: #eff6ff;
}

.vip-t--green {
    --t-1: #10b981;
    --t-2: #34d399;
    --t-soft: #ecfdf5;
}

.vip-t--purple {
    --t-1: #8b5cf6;
    --t-2: #a78bfa;
    --t-soft: #f5f3ff;
}

.vip-t--red {
    --t-1: #ef4444;
    --t-2: #f87171;
    --t-soft: #fef2f2;
}

/* 「重要提示」区块：使用红色标注，与蓝色主色调区分，突出提示的强制性。 */
.vip-notice {
    margin-top: 32px;
    padding: 24px;
    border-radius: 14px;
    background: linear-gradient(90deg, #fef2f2, #fff1f2);
    border: 1px solid #fecaca;
    text-align: center;
}

.vip-body .vip-notice__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #b91c1c;
    margin-bottom: 8px;
}

.vip-notice__title i {
    color: var(--vip-danger);
    margin-right: 6px;
}

.vip-notice__text {
    color: #b91c1c;
}

/* --------------------------------------------------------------------------
 * 会员权益
 * ----------------------------------------------------------------------- */
.vip-feature {
    position: relative;
    background: #fff;
    border-radius: 16px;
    padding: 34px 32px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, .06);
    border: 1px solid #f1f5f9;
    overflow: hidden;
    transition: transform .4s, box-shadow .4s, border-color .4s;
}

.vip-feature::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(280px circle at var(--mx, 50%) var(--my, 0%), rgba(59, 130, 246, .10), transparent 62%);
    opacity: 0;
    transition: opacity .35s;
    pointer-events: none;
}

.vip-feature:hover::after {
    opacity: 1;
}

.vip-feature:hover {
    transform: translateY(-8px);
    box-shadow: var(--vip-shadow-lg);
    border-color: var(--vip-primary);
}

.vip-feature__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    margin-bottom: 22px;
    font-size: 1.5rem;
    color: #fff;
    box-shadow: 0 8px 16px rgba(0, 0, 0, .12);
    transition: transform .4s;
}

.vip-feature:hover .vip-feature__icon {
    transform: scale(1.08) rotate(-3deg);
}

.vip-feature__icon--blue {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.vip-feature__icon--green {
    background: linear-gradient(135deg, #10b981, #059669);
}

.vip-feature__icon--purple {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.vip-feature__icon--amber {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.vip-feature__icon--red {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.vip-feature__icon--indigo {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
}

.vip-body .vip-feature__title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.vip-feature__text {
    color: var(--vip-gray);
    font-size: .95rem;
}

/* --------------------------------------------------------------------------
 * 人群定向推广（对号入座 6 卡 + 应用案例跑马灯）
 * ----------------------------------------------------------------------- */
.vip-promo-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.vip-promo-card {
    position: relative;
    background: #fff;
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, .06);
    border: 1px solid #f1f5f9;
    overflow: hidden;
    text-align: center;
    transition: transform .4s, box-shadow .4s, border-color .4s;
}

.vip-promo-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 0%), rgba(59, 130, 246, .10), transparent 62%);
    opacity: 0;
    transition: opacity .35s;
    pointer-events: none;
}

.vip-promo-card:hover::after {
    opacity: 1;
}

.vip-promo-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--vip-shadow-lg);
    border-color: var(--vip-primary);
}

.vip-promo-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 18px;
    margin: 0 auto 20px;
    font-size: 1.55rem;
    color: #fff;
    box-shadow: 0 8px 16px rgba(0, 0, 0, .12);
    transition: transform .4s;
}

.vip-promo-card:hover .vip-promo-card__icon {
    transform: scale(1.08) rotate(-3deg);
}

.vip-body .vip-promo-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--vip-dark);
}

.vip-promo-card__text {
    color: var(--vip-gray);
    font-size: .98rem;
    line-height: 1.75;
}

/* 应用案例跑马灯 */
.vip-cases {
    margin-top: 40px;
}

.vip-body .vip-cases__title {
    text-align: center;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--vip-dark);
    margin-bottom: 20px;
}

.vip-marquee {
    position: relative;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.vip-marquee__track {
    display: flex;
    width: max-content;
    animation: vip-marquee 42s linear infinite;
}

.vip-marquee:hover .vip-marquee__track {
    animation-play-state: paused;
}

.vip-marquee__group {
    display: flex;
    flex-shrink: 0;
    gap: 14px;
    padding-right: 14px;
}

.vip-marquee__item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
    padding: 11px 20px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--vip-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, .05);
    font-size: .92rem;
    color: var(--vip-dark);
    transition: border-color .3s, color .3s, transform .3s, box-shadow .3s;
}

.vip-marquee__item i {
    color: var(--vip-primary);
}

.vip-marquee__item:hover {
    border-color: var(--vip-primary);
    color: var(--vip-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, .18);
}

/* --------------------------------------------------------------------------
 * 使用反馈（模拟真实好评卡片，横向无缝滚动）
 * ----------------------------------------------------------------------- */
.vip-reviews {
    margin-top: 8px;
    padding: 10px 0;
}

/* 评价卡片更宽，滚动时长单独放慢 */
.vip-reviews__track {
    animation-duration: 72s;
}

.vip-reviews__group {
    gap: 20px;
    padding-right: 20px;
}

.vip-review {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 340px;
    flex-shrink: 0;
    padding: 24px;
    border-radius: 18px;
    background: #fff;
    border: 1px solid var(--vip-border);
    box-shadow: 0 8px 22px rgba(0, 0, 0, .06);
    text-align: left;
    transition: transform .35s, box-shadow .35s, border-color .35s;
}

.vip-review:hover {
    transform: translateY(-4px);
    border-color: var(--vip-primary);
    box-shadow: 0 16px 34px rgba(59, 130, 246, .16);
}

.vip-review__head {
    display: flex;
    align-items: center;
    gap: 12px;
}

.vip-review__avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    flex-shrink: 0;
    border-radius: 50%;
    font-size: 1.35rem;
    color: #fff;
    background: linear-gradient(135deg, var(--vip-primary), var(--vip-accent));
    box-shadow: 0 6px 14px rgba(59, 130, 246, .28);
}

.vip-review__meta {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.vip-review__name {
    font-weight: 700;
    font-size: .98rem;
    color: var(--vip-dark);
    white-space: nowrap;
}

.vip-review__role {
    font-size: .82rem;
    color: var(--vip-gray-light);
    white-space: nowrap;
}

.vip-review__stars {
    margin-left: auto;
    display: inline-flex;
    gap: 2px;
    color: #f5a623;
    font-size: .82rem;
}

.vip-body .vip-review__text {
    margin: 0;
    font-size: .93rem;
    line-height: 1.7;
    color: var(--vip-gray);
}

/* 脚本 / 程序类型标签行 */
.vip-stack {
    margin-top: 38px;
    text-align: center;
}

.vip-body .vip-stack__title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--vip-dark);
    margin-bottom: 18px;
}

.vip-stack__list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.vip-stack__item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(59, 130, 246, .10), rgba(139, 92, 246, .10));
    border: 1px solid var(--vip-border);
    font-size: .9rem;
    font-weight: 600;
    color: var(--vip-dark);
    transition: transform .3s, border-color .3s, color .3s, box-shadow .3s;
}

.vip-stack__item i {
    color: var(--vip-primary);
}

.vip-stack__item:hover {
    transform: translateY(-2px);
    border-color: var(--vip-primary);
    color: var(--vip-primary);
    box-shadow: 0 6px 16px rgba(59, 130, 246, .18);
}

/* --------------------------------------------------------------------------
 * 自研插件（Z-Blog / WordPress）
 * ----------------------------------------------------------------------- */
.vip-plugins {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
}

.vip-plugin {
    position: relative;
    padding: 32px 28px;
    background: #fff;
    border: 1px solid var(--vip-border);
    border-radius: 18px;
    box-shadow: var(--vip-shadow);
    overflow: hidden;
    transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
}

.vip-plugin::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 0%), rgba(59, 130, 246, .10), transparent 62%);
    opacity: 0;
    transition: opacity .35s;
    pointer-events: none;
}

.vip-plugin:hover::after {
    opacity: 1;
}

.vip-plugin:hover {
    transform: translateY(-8px);
    box-shadow: var(--vip-shadow-lg);
    border-color: var(--vip-primary);
}

.vip-plugin__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 62px;
    height: 62px;
    border-radius: 18px;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: #fff;
    box-shadow: 0 12px 22px -10px rgba(0, 0, 0, .35);
    transition: transform .4s ease;
}

.vip-plugin:hover .vip-plugin__icon {
    transform: scale(1.06) rotate(-3deg);
}

.vip-body .vip-plugin__title {
    font-size: 1.18rem;
    font-weight: 700;
    color: var(--vip-dark);
    margin-bottom: 12px;
}

.vip-plugin__text {
    color: var(--vip-gray);
    font-size: .95rem;
    line-height: 1.75;
}

/* 安全防护插件高亮面板（深色渐变突出“最优”） */
.vip-shield {
    position: relative;
    margin-top: 28px;
    padding: 44px 44px 40px;
    border-radius: 22px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 55%, #312e81 100%);
    color: #e2e8f0;
    overflow: hidden;
    box-shadow: 0 26px 50px -22px rgba(15, 23, 42, .8);
}

.vip-shield__glow {
    position: absolute;
    top: -40%;
    right: -10%;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, .55), transparent 68%);
    pointer-events: none;
}

.vip-shield__main {
    position: relative;
    z-index: 1;
    max-width: 720px;
}

.vip-shield__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 62px;
    height: 62px;
    border-radius: 18px;
    margin-bottom: 20px;
    font-size: 1.6rem;
    color: #fff;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    box-shadow: 0 14px 26px -10px rgba(99, 102, 241, .9);
}

.vip-body .vip-shield__title {
    font-size: clamp(1.3rem, 2.4vw, 1.7rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
}

.vip-shield__text {
    color: #cbd5e1;
    font-size: .98rem;
    line-height: 1.85;
}

.vip-shield__list {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 28px;
}

.vip-shield__item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 18px;
    border-radius: 14px;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(148, 163, 184, .22);
    font-size: .92rem;
    line-height: 1.6;
    color: #e2e8f0;
    transition: transform .3s, background .3s, border-color .3s;
}

.vip-shield__item i {
    flex-shrink: 0;
    margin-top: 3px;
    color: #a5b4fc;
    font-size: 1rem;
}

.vip-shield__item:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, .1);
    border-color: rgba(129, 140, 248, .55);
}

/* --------------------------------------------------------------------------
 * 退款与售后
 * ----------------------------------------------------------------------- */
.vip-refund {
    position: relative;
    background: #fff;
    border-radius: 18px;
    padding: 36px;
    box-shadow: var(--vip-shadow);
    border: 1px solid #f1f5f9;
    overflow: hidden;
    transition: transform .4s, box-shadow .4s, border-color .4s;
}

/* 顶部渐变强调条（颜色由主题变量驱动） */
.vip-refund::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--refund-accent, linear-gradient(90deg, var(--vip-warning), #fbbf24));
}

.vip-refund::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 0%), var(--refund-glow, rgba(245, 158, 11, .10)), transparent 62%);
    opacity: 0;
    transition: opacity .35s;
    pointer-events: none;
}

.vip-refund:hover::after {
    opacity: 1;
}

.vip-refund:hover {
    transform: translateY(-6px);
    box-shadow: var(--vip-shadow-lg);
    border-color: var(--refund-accent-solid, var(--vip-warning));
}

/* 主题：红（整行重点）/ 琥珀（两列） */
.vip-refund--red {
    --refund-accent: linear-gradient(90deg, #ef4444, #f87171);
    --refund-accent-solid: #ef4444;
    --refund-glow: rgba(239, 68, 68, .10);
}

.vip-refund--amber {
    --refund-accent: linear-gradient(90deg, #f59e0b, #fbbf24);
    --refund-accent-solid: #f59e0b;
    --refund-glow: rgba(245, 158, 11, .10);
}

.vip-refund--center {
    max-width: 1000px;
    margin: 32px auto 0;
    padding: 42px 44px;
}

.vip-refund__head {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 20px;
}

.vip-refund__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    border-radius: 16px;
    font-size: 1.5rem;
    flex-shrink: 0;
    color: #fff;
}

.vip-refund__icon--amber {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    box-shadow: 0 12px 22px -10px rgba(245, 158, 11, .9);
}

.vip-refund__icon--red {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    box-shadow: 0 12px 22px -10px rgba(239, 68, 68, .9);
}

.vip-refund__title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--vip-dark);
}

/* 段落下边距（同样需避免被 reset 覆盖） */
.vip-body .vip-refund__text {
    position: relative;
    z-index: 1;
    color: var(--vip-gray);
    font-size: .96rem;
    line-height: 1.8;
    margin-bottom: 12px;
}

.vip-body .vip-refund__text:last-child {
    margin-bottom: 0;
}

.vip-strong {
    color: var(--vip-primary);
    font-weight: 700;
}

/* --------------------------------------------------------------------------
 * 常见问题
 * ----------------------------------------------------------------------- */
.vip-faq {
    max-width: 940px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.vip-faq__item {
    background: #fff;
    border: 1px solid var(--vip-border);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .05);
    overflow: hidden;
    transition: box-shadow .3s, border-color .3s;
}

.vip-faq__item[open] {
    border-color: var(--vip-primary);
    box-shadow: 0 10px 24px rgba(59, 130, 246, .12);
}

.vip-faq__q {
    cursor: pointer;
    padding: 20px 52px 20px 24px;
    font-weight: 700;
    color: var(--vip-dark);
    position: relative;
    list-style: none;
}

.vip-faq__q::-webkit-details-marker {
    display: none;
}

.vip-faq__q::after {
    content: '\f067';
    font-family: 'FontAwesome';
    position: absolute;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--vip-primary);
    transition: transform .3s;
}

.vip-faq__item[open] .vip-faq__q::after {
    content: '\f068';
}

.vip-faq__a {
    padding: 0 24px 22px;
    color: var(--vip-gray);
}

/* 展开时内容平滑淡入下滑：原生 <details> 关闭时内容 display:none，
 * 无法做高度过渡，故改为打开瞬间播放关键帧。 */
.vip-faq__item[open] .vip-faq__a {
    animation: vip-faq-in .36s cubic-bezier(.22, 1, .36, 1);
}

/* --------------------------------------------------------------------------
 * 关于我们
 * ----------------------------------------------------------------------- */
.vip-about {
    position: relative;
    background: #fff;
    border-radius: 16px;
    padding: 34px 32px;
    text-align: center;
    box-shadow: 0 4px 14px rgba(0, 0, 0, .06);
    border: 1px solid #f1f5f9;
    overflow: hidden;
    transition: transform .4s, box-shadow .4s, border-color .4s;
}

.vip-about::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 0%), rgba(16, 185, 129, .10), transparent 62%);
    opacity: 0;
    transition: opacity .35s;
    pointer-events: none;
}

.vip-about:hover::after {
    opacity: 1;
}

.vip-about:hover {
    transform: translateY(-6px);
    box-shadow: var(--vip-shadow-lg);
    border-color: var(--vip-primary);
}

.vip-about__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    margin: 0 auto 20px;
    font-size: 1.5rem;
    color: #fff;
    box-shadow: 0 8px 16px rgba(0, 0, 0, .12);
}

.vip-body .vip-about__title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.vip-about__text {
    color: var(--vip-gray);
    font-size: .95rem;
}

/* --------------------------------------------------------------------------
 * 联系我们
 * ----------------------------------------------------------------------- */
.vip-contact {
    position: relative;
    overflow: hidden;
    border-radius: var(--vip-radius);
    padding: 56px 32px;
    background:
        radial-gradient(700px 420px at 8% 0%, rgba(96, 165, 250, .55), transparent 60%),
        radial-gradient(700px 420px at 92% 100%, rgba(129, 140, 248, .5), transparent 60%),
        linear-gradient(120deg, #1d4ed8 0%, #4338ca 55%, #6d28d9 100%);
    color: #fff;
    text-align: center;
    box-shadow: 0 30px 60px -24px rgba(67, 56, 202, .6);
}

.vip-contact__deco {
    position: absolute;
    inset: 0;
    overflow: hidden;
    opacity: .3;
    pointer-events: none;
}

.vip-contact__inner {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
}

.vip-contact__bubble {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    margin: 0 auto 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .2);
    border: 1px solid rgba(255, 255, 255, .3);
    font-size: 3rem;
    animation: vip-float 6s ease-in-out infinite;
}

.vip-body .vip-contact__title {
    font-size: 1.8rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, .1);
    margin-bottom: 12px;
}

.vip-body .vip-contact__sub {
    opacity: .9;
    font-size: 1.1rem;
    margin-bottom: 32px;
}

.vip-contact__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.vip-contact__card {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    border-radius: 14px;
    background: rgba(255, 255, 255, .1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: background .3s, transform .35s, box-shadow .35s;
}

.vip-contact__card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 0%), rgba(255, 255, 255, .24), transparent 62%);
    opacity: 0;
    transition: opacity .35s;
    pointer-events: none;
}

.vip-contact__card:hover::after {
    opacity: 1;
}

.vip-contact__card:hover {
    background: rgba(255, 255, 255, .2);
    transform: translateY(-4px);
    box-shadow: 0 16px 32px -14px rgba(0, 0, 0, .5);
}

.vip-body .vip-contact__label {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.vip-contact__qr {
    display: block;
    padding: 12px;
    background: #fff;
    border-radius: 10px;
}

.vip-contact__qr img {
    width: 150px;
    height: 150px;
    object-fit: cover;
}

.vip-contact__ico {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .2);
    font-size: 1.6rem;
    margin-bottom: 16px;
}

.vip-contact__value {
    opacity: .9;
    word-break: break-all;
}

.vip-contact__time {
    display: inline-block;
    margin-top: 24px;
    padding: 12px 24px;
    border-radius: 10px;
    background: rgba(255, 255, 255, .2);
    font-size: .9rem;
    opacity: .9;
}

/* --------------------------------------------------------------------------
 * 页脚
 * ----------------------------------------------------------------------- */
.vip-footer {
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    color: #fff;
    padding: clamp(52px, 6vw, 84px) var(--vip-gutter);
}

.vip-footer__inner {
    max-width: var(--vip-container);
    margin: 0 auto;
}

.vip-footer__top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 32px;
}

.vip-footer__brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 1.2rem;
    font-weight: 700;
}

.vip-footer__brand i {
    color: var(--vip-primary);
    font-size: 1.4rem;
}

.vip-footer__links {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.vip-footer__links a {
    color: var(--vip-gray-light);
    transition: color .3s;
}

.vip-footer__links a:hover {
    color: #fff;
}

.vip-footer__bottom {
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, .1);
    text-align: center;
}

.vip-footer__bottom p {
    margin-bottom: 8px;
}

.vip-footer__note {
    color: var(--vip-gray-light);
    font-size: .85rem;
}

/* --------------------------------------------------------------------------
 * 视频弹窗
 * ----------------------------------------------------------------------- */
.vip-modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(0, 0, 0, .78);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.vip-modal.is-open {
    display: flex;
}

.vip-modal__dialog {
    position: relative;
    width: 100%;
    max-width: 1000px;
}

.vip-modal__close {
    position: absolute;
    top: -46px;
    right: 0;
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
}

.vip-modal__close:hover {
    color: #d1d5db;
}

.vip-modal__video {
    position: relative;
    padding-top: 56.25%;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, .6);
}

.vip-modal__video video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

/* --------------------------------------------------------------------------
 * 进度条与滚动按钮
 * ----------------------------------------------------------------------- */
.vip-scroll {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 60;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.vip-scroll__track {
    width: 8px;
    height: 160px;
    border-radius: 999px;
    background: #e2e8f0;
    overflow: hidden;
    box-shadow: var(--vip-shadow);
}

.vip-scroll__bar {
    width: 100%;
    height: 0;
    border-radius: 999px;
    background: linear-gradient(180deg, #3b82f6, #7c3aed);
    transition: height .3s;
}

.vip-scroll__btn {
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: #fff;
    color: var(--vip-primary);
    box-shadow: var(--vip-shadow);
    cursor: pointer;
    font-size: 1rem;
    transition: all .3s;
}

.vip-scroll__btn:hover {
    background: var(--vip-primary);
    color: #fff;
    transform: scale(1.1);
}

.vip-scroll__btn.is-visible {
    opacity: 1;
    pointer-events: auto;
}

#vip-scroll-top {
    opacity: 0;
    pointer-events: none;
}

/* ID 选择器特异度高于 .vip-scroll__btn.is-visible，需用 #id.is-visible（1,1,0）
 * 才能让「返回顶部」按钮在滚动后正常显示。 */
#vip-scroll-top.is-visible {
    opacity: 1;
    pointer-events: auto;
}

/* --------------------------------------------------------------------------
 * 动画
 * ----------------------------------------------------------------------- */
@keyframes vip-float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0); }
}

@keyframes vip-ping {
    75%, 100% { transform: scale(2); opacity: 0; }
}

@keyframes vip-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .5; }
}

@keyframes vip-glow {
    from { box-shadow: 0 0 5px rgba(245, 158, 11, .6); }
    to { box-shadow: 0 0 20px rgba(245, 158, 11, .8); }
}

@keyframes vip-faq-in {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

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

/* --------------------------------------------------------------------------
 * 滚动进场动画
 * 仅在 JS 可用（html.vip-js）时启用，确保无脚本环境内容依然可见。
 * ----------------------------------------------------------------------- */
.vip-js .vip-reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity .7s cubic-bezier(.22, 1, .36, 1), transform .7s cubic-bezier(.22, 1, .36, 1);
    will-change: opacity, transform;
}

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

@media (prefers-reduced-motion: reduce) {
    .vip-hero__crown,
    .vip-hero__dot,
    .vip-brand__icon,
    .vip-contact__bubble,
    .vip-tier__badge {
        animation: none;
    }

    /* 尊重系统「减少动态效果」：进场元素直接显示，取消过渡与 FAQ 展开动画 */
    .vip-js .vip-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .vip-faq__item[open] .vip-faq__a {
        animation: none;
    }

    /* 案例跑马灯：关闭自动滚动，降级为手动横向滚动并隐藏冗余副本 */
    .vip-marquee__track {
        animation: none;
    }

    .vip-marquee {
        overflow-x: auto;
        -webkit-mask-image: none;
        mask-image: none;
    }

    .vip-marquee__group[aria-hidden="true"] {
        display: none;
    }
}

/* --------------------------------------------------------------------------
 * 响应式
 * ----------------------------------------------------------------------- */
@media (min-width: 1025px) {
    .vip-tier--featured {
        transform: scale(1.05);
    }

    .vip-tier--featured:hover {
        transform: scale(1.05) translateY(-10px);
    }
}

@media (max-width: 1024px) {
    .vip-nav__links {
        display: none;
    }

    .vip-nav__toggle {
        display: block;
    }

    .vip-nav__cta {
        display: none;
    }

    .vip-tier {
        flex: 1 1 300px;
        max-width: 400px;
    }

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

    .vip-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .vip-contact__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .vip-promo-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

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

@media (max-width: 768px) {
    .vip-hero {
        padding: 52px 20px 60px;
    }

    .vip-quickfacts {
        grid-template-columns: 1fr;
    }

    .vip-card--pad {
        padding: 24px;
    }

    .vip-section {
        margin-bottom: 56px;
    }

    .vip-grid-3,
    .vip-grid-2 {
        grid-template-columns: 1fr;
    }

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

    .vip-plugins {
        grid-template-columns: 1fr;
    }

    .vip-review {
        width: 300px;
    }

    .vip-shield {
        padding: 32px 24px 28px;
        border-radius: 18px;
    }

    .vip-shield__list {
        grid-template-columns: 1fr;
    }

    .vip-rule {
        padding: 28px 24px 24px;
    }

    .vip-alert {
        flex-direction: column;
        gap: 16px;
        padding: 24px;
    }

    .vip-refund,
    .vip-refund--center {
        padding: 28px 24px;
    }

    .vip-tier {
        flex: 1 1 100%;
        max-width: 100%;
    }

    .vip-contact__grid {
        grid-template-columns: 1fr;
    }

    .vip-footer__top {
        flex-direction: column;
        text-align: center;
    }

    .vip-scroll__track {
        height: 110px;
    }
}

@media (max-width: 480px) {
    .vip-promo-grid {
        grid-template-columns: 1fr;
    }
}

/* --------------------------------------------------------------------------
 * 大屏适配：容器随视口放大、间距与字号同步加宽，让整页更舒展大气
 * ----------------------------------------------------------------------- */
@media (min-width: 1440px) {
    :root {
        --vip-container: 1560px;
    }

    .vip-body .vip-hero__title {
        font-size: 4.8rem;
    }

    .vip-h2 {
        font-size: 2.7rem;
    }

    .vip-tier {
        max-width: 380px;
        padding: 48px 38px 40px;
    }

    .vip-tier__price {
        font-size: 3.1rem;
    }

    .vip-grid-3,
    .vip-grid-2,
    .vip-plugins {
        gap: 32px;
    }

    .vip-quickfacts {
        gap: 28px;
    }

    .vip-promo-grid {
        gap: 30px;
    }

    .vip-contact__grid {
        gap: 22px;
    }
}

@media (min-width: 1920px) {
    :root {
        --vip-container: 1760px;
    }
}