/* ===========================================================
   倾云 · 个人主页 前台样式
   设计：深色电竞风，青紫渐变；桌面 / 移动端自适应
   说明：全局不使用内联样式，以满足严格 CSP
   =========================================================== */

:root {
    --bg: #070b14;
    --bg-soft: #0d1424;
    --panel: rgba(255, 255, 255, 0.04);
    --panel-2: rgba(255, 255, 255, 0.065);
    --line: rgba(255, 255, 255, 0.09);
    --text: #e9eefb;
    --muted: #98a5bd;

    /* 主题色令牌：默认值即「青蓝」配色，palette-*.css 可整体覆盖 */
    --accent: #22d3ee;
    --accent-2: #a855f7;
    --accent-3: #f6b73c;
    --accent-soft: #9fe9f7;
    --accent-rgb: 34, 211, 238;
    --accent2-rgb: 168, 85, 247;
    --grad-mid: #7c8cff;
    --grad-mid-rgb: 124, 140, 255;
    --grad: linear-gradient(120deg, var(--accent) 0%, var(--grad-mid) 45%, var(--accent-2) 100%);

    /* 底色/前景令牌：浅色模板会整体覆盖 */
    --nav-bg: rgba(7, 11, 20, 0.72);
    --menu-bg: rgba(9, 14, 25, 0.97);
    --footer-bg: rgba(5, 9, 16, 0.6);
    --on-grad: #050a14;
    --avatar-bg: #0a1120;
    --card-hover-shadow: 0 20px 44px rgba(6, 12, 26, 0.6);

    --radius: 18px;
    --radius-sm: 12px;
    --shadow: 0 22px 60px rgba(3, 7, 18, 0.55);
    --max: 1120px;
    --nav-h: 68px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-h) + 12px);
    -webkit-text-size-adjust: 100%;
    /* 移动端点击链接/按钮时不再出现系统默认的蓝色高亮方块 */
    -webkit-tap-highlight-color: transparent;
}

body {
    margin: 0;
    min-height: 100vh;
    background-color: var(--bg);
    background-image:
        radial-gradient(900px 520px at 12% -6%, rgba(var(--accent-rgb), 0.16), transparent 62%),
        radial-gradient(760px 520px at 92% 4%, rgba(var(--accent2-rgb), 0.16), transparent 60%),
        radial-gradient(900px 700px at 50% 108%, rgba(var(--grad-mid-rgb), 0.10), transparent 65%);
    background-attachment: fixed;
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    letter-spacing: 0.01em;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
p { margin: 0; }
h1, h2, h3 { margin: 0; line-height: 1.25; font-weight: 700; }

/* 鼠标/触摸点击时不显示焦点框，只有键盘 Tab 聚焦时才显示，避免点击出现蓝框 */
:focus {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 6px;
}

.container {
    width: 100%;
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 22px;
}

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

.copy-helper { position: fixed; left: -9999px; top: 0; }

/* ------------------------------- 导航 ------------------------------- */

.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--nav-bg);
    backdrop-filter: saturate(160%) blur(14px);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.25s ease, background 0.25s ease;
}

.nav.is-open,
.nav:hover { border-bottom-color: var(--line); }

.nav__inner {
    height: var(--nav-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.brand__mark {
    width: 34px; height: 34px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: var(--grad);
    color: var(--on-grad);
    font-size: 17px;
    box-shadow: 0 8px 22px rgba(var(--accent-rgb), 0.28);
}

.brand__text { font-size: 17px; }

.nav__menu {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav__menu a {
    padding: 8px 14px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 15px;
    transition: color 0.2s ease, background 0.2s ease;
}

.nav__menu a:hover { color: var(--text); background: var(--panel-2); }

.nav__cta {
    margin-left: 6px;
    background: var(--grad);
    color: var(--on-grad) !important;
    font-weight: 700;
}

.nav__cta:hover { background: var(--grad); filter: brightness(1.08); }

.nav__toggle {
    display: none;
    width: 42px; height: 42px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--panel);
    cursor: pointer;
    padding: 0;
}

.nav__bars,
.nav__bars::before,
.nav__bars::after {
    display: block;
    width: 18px; height: 2px;
    border-radius: 2px;
    background: var(--text);
    transition: transform 0.22s ease, opacity 0.22s ease;
}

.nav__bars { position: relative; margin: 0 auto; }
.nav__bars::before,
.nav__bars::after { content: ""; position: absolute; left: 0; }
.nav__bars::before { top: -6px; }
.nav__bars::after { top: 6px; }
.nav.is-open .nav__bars { background: transparent; }
.nav.is-open .nav__bars::before { transform: translateY(6px) rotate(45deg); }
.nav.is-open .nav__bars::after { transform: translateY(-6px) rotate(-45deg); }

/* ------------------------------- Hero ------------------------------- */

.hero {
    position: relative;
    overflow: hidden;
    padding: clamp(48px, 8vw, 96px) 0 clamp(56px, 9vw, 104px);
}

.hero__glow,
.hero__grid { position: absolute; inset: 0; pointer-events: none; }

.hero__glow {
    background:
        radial-gradient(520px 320px at 18% 26%, rgba(var(--accent-rgb), 0.20), transparent 68%),
        radial-gradient(560px 340px at 82% 18%, rgba(var(--accent2-rgb), 0.20), transparent 68%);
    filter: blur(6px);
}

.hero__grid {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: radial-gradient(72% 62% at 50% 34%, #000 35%, transparent 100%);
    -webkit-mask-image: radial-gradient(72% 62% at 50% 34%, #000 35%, transparent 100%);
}

.hero__inner {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(28px, 5vw, 64px);
}

.hero__title {
    margin-top: 18px;
    font-size: clamp(30px, 5.4vw, 52px);
    letter-spacing: 0.01em;
}

.grad {
    margin-left: 10px;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero__tagline {
    margin-top: 16px;
    max-width: 34em;
    color: var(--muted);
    font-size: clamp(15px, 1.6vw, 18px);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border: 1px solid rgba(var(--accent-rgb), 0.35);
    border-radius: 999px;
    background: rgba(var(--accent-rgb), 0.08);
    color: var(--accent-soft);
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: 0.06em;
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-top: 22px;
}

.chip {
    padding: 6px 13px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--panel);
    color: #c6d2e6;
    font-size: 13.5px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 30px;
}

.hero__side {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.avatar {
    position: relative;
    width: min(330px, 74vw);
    aspect-ratio: 1 / 1;
    border-radius: 26px;
    padding: 3px;
    background: var(--grad);
    box-shadow: var(--shadow), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}

.avatar::after {
    content: "";
    position: absolute;
    inset: -14px;
    border-radius: 34px;
    border: 1px dashed rgba(255, 255, 255, 0.14);
    animation: spin 26s linear infinite;
}

.avatar img,
.avatar__fallback {
    width: 100%;
    height: 100%;
    border-radius: 23px;
    background: var(--avatar-bg);
    object-fit: cover;
}

.avatar__fallback {
    display: grid;
    place-items: center;
    font-size: 88px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.82);
    background-image: linear-gradient(160deg, rgba(var(--accent-rgb), 0.22), rgba(var(--accent2-rgb), 0.22));
}

.status {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 7px 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--panel);
    color: #c6d2e6;
    font-size: 14px;
}

.status__dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: #34d399;
    box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.16);
    animation: pulse 2.4s ease-in-out infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.16); }
    50%      { box-shadow: 0 0 0 8px rgba(52, 211, 153, 0.06); }
}

/* ------------------------------ 通用区块 ------------------------------ */

.section { padding: clamp(52px, 8vw, 92px) 0; }
.section--alt {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.022), rgba(255, 255, 255, 0));
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.section__head { max-width: 46em; margin-bottom: clamp(28px, 4vw, 44px); }
.section__kicker {
    color: var(--accent);
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.22em;
}
.section__title {
    margin-top: 10px;
    font-size: clamp(24px, 3.4vw, 34px);
}
.section__desc { margin-top: 12px; color: var(--muted); }

.prose { max-width: 56em; color: #cbd6e8; }
.prose p + p { margin-top: 16px; }

.empty {
    padding: 22px;
    border: 1px dashed var(--line);
    border-radius: var(--radius-sm);
    color: var(--muted);
    background: var(--panel);
}

/* ------------------------------- 卡片 ------------------------------- */

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.card {
    position: relative;
    padding: 26px 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(180deg, var(--panel-2), var(--panel));
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    border-radius: var(--radius) var(--radius) 0 0;
    background: var(--grad);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(var(--accent-rgb), 0.4);
    box-shadow: var(--card-hover-shadow);
}

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

.card__icon {
    width: 46px; height: 46px;
    display: grid;
    place-items: center;
    margin-bottom: 16px;
    border-radius: 13px;
    background: rgba(var(--accent-rgb), 0.12);
    border: 1px solid rgba(var(--accent-rgb), 0.25);
    font-size: 22px;
}

.card__title { font-size: 19px; }
.card__price {
    margin-top: 8px;
    font-size: 20px;
    font-weight: 700;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.card__desc { margin-top: 12px; color: var(--muted); font-size: 15px; }

.card__features { margin-top: 16px; display: grid; gap: 9px; }
.card__features li {
    position: relative;
    padding-left: 22px;
    color: #c6d2e6;
    font-size: 14.5px;
}
.card__features li::before {
    content: "";
    position: absolute;
    left: 4px; top: 10px;
    width: 7px; height: 7px;
    border-radius: 2px;
    background: var(--accent);
}

/* ------------------------------- 数据 ------------------------------- */

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 18px;
}

.stat {
    padding: 26px 20px;
    text-align: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
}

.stat__value {
    font-size: clamp(26px, 3.6vw, 36px);
    font-weight: 800;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.stat__label { margin-top: 8px; color: var(--muted); font-size: 14.5px; }

/* ------------------------------ 联系方式 ------------------------------ */

.contact {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 26px;
    align-items: start;
}

.contact__list { display: grid; gap: 12px; }

.contact__item {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    padding: 15px 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--panel);
}

.contact__label {
    min-width: 62px;
    color: var(--muted);
    font-size: 13.5px;
    letter-spacing: 0.08em;
}

.contact__value { font-size: 16px; font-weight: 600; word-break: break-all; }
.contact__value--link { color: var(--accent); }
.contact__value--link:hover { text-decoration: underline; }

.contact__qrs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 18px;
}

.qr {
    margin: 0;
    padding: 14px;
    text-align: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
}

.qr img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    border-radius: 10px;
    background: #fff;
}

.qr figcaption { margin-top: 10px; color: var(--muted); font-size: 13.5px; }

/* ------------------------------- 按钮 ------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.18s ease, filter 0.18s ease, background 0.18s ease, border-color 0.18s ease;
    font-family: inherit;
}

.btn--primary {
    background: var(--grad);
    color: var(--on-grad);
    box-shadow: 0 12px 30px rgba(var(--accent-rgb), 0.22);
}
.btn--primary:hover { transform: translateY(-2px); filter: brightness(1.06); }

.btn--ghost {
    border-color: var(--line);
    background: var(--panel);
    color: var(--text);
}
.btn--ghost:hover { transform: translateY(-2px); border-color: rgba(var(--accent-rgb), 0.45); }

.btn--mini {
    padding: 5px 13px;
    border-color: var(--line);
    background: var(--panel-2);
    color: var(--muted);
    font-size: 13px;
}
.btn--mini:hover { color: var(--text); border-color: rgba(var(--accent-rgb), 0.45); }
.btn--mini[disabled] { color: var(--accent); cursor: default; }

/* ------------------------------- 页脚 ------------------------------- */

.footer {
    padding: 38px 0;
    border-top: 1px solid var(--line);
    background: var(--footer-bg);
}
.footer__inner { display: grid; gap: 6px; text-align: center; color: #8794ac; font-size: 14px; }
.footer__meta { font-size: 13px; color: #6f7c93; }

/* ------------------------------ 出现动画 ------------------------------ */

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ------------------------------- 响应式 ------------------------------- */

@media (max-width: 900px) {
    .hero__inner { grid-template-columns: 1fr; }
    .hero__side { order: -1; }
    .avatar { width: min(230px, 58vw); }
    .avatar__fallback { font-size: 64px; }
    .contact { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
    .nav__toggle { display: block; }
    .nav__menu {
        position: absolute;
        top: var(--nav-h);
        left: 12px;
        right: 12px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: var(--radius);
        background: var(--menu-bg);
        box-shadow: var(--shadow);
    }
    .nav.is-open .nav__menu { display: flex; }
    .nav__menu a { padding: 12px 14px; border-radius: 10px; }
    .nav__cta { margin-left: 0; text-align: center; }
}

@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .hero__actions .btn { flex: 1 1 auto; }
    .card { padding: 22px 18px; }
    .contact__item { padding: 13px 14px; gap: 10px; }
    .contact__value { font-size: 15px; }
}

@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; }
}