/* ============================================================
   卡密领取页 · 前台样式（浅色 / 深色双主题，移动端优先）
   ============================================================ */

:root {
    color-scheme: light;

    --brand:      #3b6ef6;
    --brand-2:    #2456e6;
    --brand-3:    #1a3fb8;
    --brand-soft: #eef4ff;
    --brand-glow: rgba(43, 92, 240, .55);

    /* 渐变三段 + 各类品牌色衍生透明度，供主题覆盖 */
    --grad-1:     #5c8bff;
    --grad-2:     #2f63f6;
    --grad-3:     #1f47d6;
    --brand-hi:   #82a8ff;
    --brand-line: rgba(59, 110, 246, .38);
    --brand-edge: rgba(59, 110, 246, .18);
    --brand-ring: rgba(59, 110, 246, .13);
    --brand-dot:  rgba(59, 110, 246, .16);
    --code-1:     #f7faff;
    --code-2:     #edf3ff;
    --spot-1:     #dce8ff;
    --spot-1-a:   rgba(220, 232, 255, 0);
    --spot-2:     #e3edff;
    --spot-2-a:   rgba(227, 237, 255, 0);
    --dot:        rgba(59, 110, 246, .05);

    --accent:      #0fa89a;
    --accent-soft: #e6f8f5;
    --violet:      #7c6cf0;

    --bg-page: #f2f6fd;
    --bg-card: #ffffff;
    --bg-soft: #f6f9fe;
    --bg-tint: #f8fbff;

    --text-1: #0f1a2e;
    --text-2: #465468;
    --text-3: #8794a9;

    --line:   #e7edf8;
    --line-2: #dae3f2;

    --radius-xl: 26px;
    --radius-lg: 18px;
    --radius-md: 14px;

    --shadow-card: 0 2px 4px rgba(15, 26, 46, .03), 0 26px 52px -28px rgba(28, 58, 132, .34);
    --shadow-main: 0 18px 34px -16px rgba(36, 86, 230, .58), inset 0 1px 0 rgba(255, 255, 255, .26);

    --ease: cubic-bezier(.22, .9, .3, 1);
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

[hidden] { display: none !important; }

html { height: 100%; }

body {
    margin: 0;
    min-height: 100vh;
    min-height: 100dvh;
    padding:
        calc(env(safe-area-inset-top, 0px) + 34px)
        calc(env(safe-area-inset-right, 0px) + 18px)
        calc(env(safe-area-inset-bottom, 0px) + 26px)
        calc(env(safe-area-inset-left, 0px) + 18px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-1);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
                 "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    background-color: var(--bg-page);
    background-image:
        radial-gradient(820px 460px at 50% -18%, var(--spot-1) 0%, var(--spot-1-a) 70%),
        radial-gradient(640px 440px at 106% 112%, var(--spot-2) 0%, var(--spot-2-a) 64%),
        radial-gradient(var(--dot) 1px, transparent 1px);
    background-size: auto, auto, 22px 22px;
}

.wrap {
    width: 100%;
    max-width: 432px;
    margin: 0 auto;
}

/* ===== 主卡片 ===== */

.panel {
    position: relative;
    padding: 30px 22px 24px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--line);
    background: var(--bg-card);
    box-shadow: var(--shadow-card);
    animation: card-in .5s var(--ease) both;
}

@keyframes card-in {
    from { opacity: 0; transform: translateY(16px) scale(.99); }
    to   { opacity: 1; transform: none; }
}

/* 顶部渐变光条 */
.panel::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    width: 62%;
    height: 3px;
    transform: translateX(-50%);
    border-radius: 0 0 4px 4px;
    background: linear-gradient(90deg, transparent, var(--brand) 30%, var(--brand-hi) 62%, transparent);
    opacity: .9;
}

/* ===== 头部 ===== */

.head { text-align: center; }

.head-badge {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    display: grid;
    place-items: center;
    border-radius: 20px;
    color: #fff;
    background: linear-gradient(145deg, var(--grad-1) 0%, var(--grad-2) 48%, var(--grad-3) 100%);
    box-shadow:
        0 16px 28px -14px var(--brand-glow),
        inset 0 1px 0 rgba(255, 255, 255, .4);
}

.head-badge svg {
    width: 30px;
    height: 30px;
}

.title {
    margin: 0;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: .6px;
    color: var(--text-1);
}

.subtitle {
    margin: 7px 0 0;
    font-size: 13.5px;
    color: var(--text-2);
}

.agent {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin: 12px 0 0;
    padding: 4px 12px 4px 10px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .2px;
    color: var(--brand);
    background: var(--brand-soft);
    border-radius: 999px;
}

.agent::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand);
    box-shadow: 0 0 0 3px var(--brand-dot);
}

/* ===== 分类切换 ===== */

.cats {
    display: flex;
    gap: 8px;
    margin-top: 20px;
    padding: 2px 2px 4px;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

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

.cat {
    flex: 0 0 auto;
    height: 34px;
    padding: 0 16px;
    border-radius: 999px;
    border: 1px solid var(--line-2);
    background: var(--bg-card);
    color: var(--text-2);
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.cat:hover { background: var(--bg-soft); }

.cat.is-active {
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 8px 16px -10px var(--brand-glow);
}

/* ===== 三格统计 ===== */

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 20px;
    padding: 15px 4px 13px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background: linear-gradient(180deg, var(--bg-tint) 0%, var(--bg-soft) 100%);
}

.stat {
    position: relative;
    text-align: center;
}

.stat + .stat::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 1px;
    height: 28px;
    transform: translateY(-50%);
    background: linear-gradient(180deg, transparent, var(--line-2), transparent);
}

.stat b {
    display: block;
    font-size: 25px;
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -.5px;
    font-variant-numeric: tabular-nums;
    transition: color .2s ease;
}

.stat:nth-child(1) b { color: var(--brand); }
.stat:nth-child(2) b { color: var(--accent); }
.stat:nth-child(3) b { color: var(--violet); }

.stat span {
    display: block;
    margin-top: 3px;
    font-size: 12px;
    color: var(--text-3);
    white-space: nowrap;
}

/* ===== 版式：简洁版（隐藏三格统计）=====
   元素仍保留在 DOM 里、脚本照常更新数值，只是不展示，避免结构调整引发脚本报错 */
html[data-layout="simple"] .stats { display: none; }

html[data-layout="simple"] .code-box { margin-top: 20px; }

/* ===== 卡密展示（票券） ===== */

.code-box {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 96px;
    margin-top: 18px;
    padding: 18px 20px;
    border-radius: var(--radius-lg);
    border: 1.5px dashed var(--line-2);
    background: var(--bg-tint);
    transition: border-color .25s ease, background .25s ease, box-shadow .25s ease;
}

/* 票券两侧凹口 */
.code-box::before,
.code-box::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--bg-card);
    transform: translateY(-50%);
    box-shadow: inset 0 1px 3px rgba(15, 26, 46, .07);
}

.code-box::before { left: -12px; }
.code-box::after  { right: -12px; }

.code-box.has-code {
    border-style: solid;
    border-color: var(--brand-line);
    background: linear-gradient(180deg, var(--code-1) 0%, var(--code-2) 100%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
}



.code-ph {
    font-size: 14px;
    color: var(--text-3);
    letter-spacing: .5px;
}

.code-value {
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Courier New", monospace;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--brand-3);
    text-align: center;
    word-break: break-all;
    -webkit-user-select: all;
    user-select: all;
    animation: code-in .35s var(--ease) both;
}

@keyframes code-in {
    from { opacity: 0; transform: translateY(6px) scale(.985); }
    to   { opacity: 1; transform: none; }
}

.code-box.is-flash {
    animation: flash .8s ease;
}

@keyframes flash {
    0%   { border-color: var(--brand); background: var(--brand-soft); }
    100% { border-color: var(--line-2); background: var(--bg-tint); }
}

/* ===== 按钮 ===== */

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    width: 100%;
    border: 0;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: transform .12s ease, background .18s ease, color .18s ease,
                box-shadow .18s ease, opacity .18s ease;
}

.btn svg {
    width: 19px;
    height: 19px;
    flex-shrink: 0;
}

.btn:active:not(:disabled) { transform: scale(.985); }

.btn-main {
    position: relative;
    overflow: hidden;
    height: 56px;
    margin-top: 20px;
    border-radius: 17px;
    font-size: 17px;
    letter-spacing: .5px;
    color: #fff;
    background: linear-gradient(135deg, var(--grad-1) 0%, var(--grad-2) 52%, var(--grad-3) 100%);
    box-shadow: var(--shadow-main);
}

/* 光泽扫过 */
.btn-main::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: -55%;
    width: 38%;
    background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .38), transparent);
    transform: skewX(-18deg);
    transition: left .65s ease;
}

.btn-main:hover:not(:disabled)::after { left: 125%; }

.btn-main.is-off,
.btn-main:disabled {
    background: var(--bg-soft);
    color: var(--text-3);
    box-shadow: none;
    border: 1px solid var(--line);
    cursor: not-allowed;
}

.btn-sub {
    height: 50px;
    margin-top: 11px;
    font-size: 15px;
    font-weight: 600;
    color: var(--brand-2);
    background: var(--brand-soft);
    border: 1px solid var(--brand-edge);
}

.btn-sub:hover:not(:disabled) { background: #e4ecff; }

.btn-sub:disabled {
    color: var(--text-3);
    background: var(--bg-soft);
    border-color: var(--line);
    cursor: not-allowed;
}

.btn-sub.is-done {
    color: var(--accent);
    background: var(--accent-soft);
    border-color: rgba(15, 168, 154, .28);
}

.btn-quiet {
    height: auto;
    margin-top: 15px;
    padding: 6px 4px;
    gap: 6px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-3);
    background: transparent;
    border: 0;
    text-decoration: underline dotted;
    text-underline-offset: 3px;
}

.btn-quiet svg {
    width: 14px;
    height: 14px;
}

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

/* ===== 页脚 ===== */

.foot {
    margin-top: 22px;
    text-align: center;
    font-size: 11.5px;
    line-height: 1.9;
    color: var(--text-3);
}

.foot p { margin: 0; }

.foot-sub { opacity: .78; }

/* ===== 空状态 / 无分类 ===== */

.panel-center {
    padding: 46px 26px;
    text-align: center;
}

.empty-ico {
    width: 56px;
    height: 56px;
    margin: 0 auto 15px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--brand-soft);
    color: var(--brand);
}

.empty-ico svg { width: 26px; height: 26px; }

.empty-title {
    margin: 0 0 7px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-1);
}

.empty-desc {
    margin: 0;
    font-size: 13.5px;
    color: var(--text-2);
}

.none-tip {
    margin-top: 18px;
    padding: 22px 16px;
    text-align: center;
    font-size: 13.5px;
    color: var(--text-2);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--line-2);
    background: var(--bg-tint);
}

/* ===== 弹窗 ===== */

.mask {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 22px;
    background: rgba(12, 20, 38, .46);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    animation: fade .18s ease;
}

@keyframes fade {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.dialog {
    width: 100%;
    max-width: 344px;
    padding: 24px 20px 18px;
    border-radius: 22px;
    background: var(--bg-card);
    border: 1px solid var(--line);
    color: var(--text-1);
    box-shadow: 0 28px 64px -24px rgba(10, 20, 45, .45);
    animation: rise .24s var(--ease);
}

.dialog-wide { max-width: 366px; }

@keyframes rise {
    from { opacity: 0; transform: translateY(12px) scale(.982); }
    to   { opacity: 1; transform: none; }
}

.dlg-ico {
    width: 46px;
    height: 46px;
    margin: 0 auto 12px;
    display: grid;
    place-items: center;
    border-radius: 15px;
    color: var(--brand);
    background: var(--brand-soft);
}

.dlg-ico svg { width: 22px; height: 22px; }

.dialog h3 {
    margin: 0 0 6px;
    font-size: 17px;
    font-weight: 700;
    text-align: center;
    color: var(--text-1);
}

.dlg-tip {
    margin: 0 0 14px;
    font-size: 12.5px;
    line-height: 1.6;
    text-align: center;
    color: var(--text-3);
}

.input {
    width: 100%;
    height: 50px;
    padding: 0 15px;
    font-family: inherit;
    font-size: 16px;
    letter-spacing: .5px;
    color: var(--text-1);
    border-radius: 14px;
    border: 1px solid var(--line-2);
    background: var(--bg-soft);
    outline: none;
    transition: border-color .16s ease, background .16s ease, box-shadow .16s ease;
}

.input::placeholder {
    color: var(--text-3);
    letter-spacing: 0;
}

.input:focus {
    border-color: var(--brand);
    background: var(--bg-card);
    box-shadow: 0 0 0 3.5px var(--brand-ring);
}

.dlg-err {
    min-height: 18px;
    margin: 7px 2px 3px;
    font-size: 12px;
    color: #e5484d;
}

.dlg-ops {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.btn-line,
.btn-solid {
    flex: 1;
    height: 47px;
    border-radius: 14px;
    border: 0;
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: transform .12s ease, background .18s ease, box-shadow .18s ease;
}

.btn-line:active,
.btn-solid:active:not(:disabled) { transform: scale(.985); }

.btn-line {
    background: var(--bg-soft);
    color: var(--text-2);
    border: 1px solid var(--line);
}

.btn-line:hover { background: var(--bg-tint); }

.btn-solid {
    color: #fff;
    background: linear-gradient(135deg, var(--grad-1) 0%, var(--grad-2) 55%, var(--grad-3) 100%);
    box-shadow: 0 12px 24px -12px rgba(36, 86, 230, .8);
}

.btn-solid:disabled { opacity: .6; cursor: not-allowed; }

.notice {
    margin: 2px 0 14px;
    padding: 12px 13px;
    font-size: 12.5px;
    line-height: 1.7;
    color: #b45309;
    border-radius: 13px;
    border: 1px solid #fde3bd;
    background: #fff8ec;
}

.rules {
    margin: 0;
    padding-left: 17px;
    font-size: 13px;
    line-height: 1.85;
    color: var(--text-2);
}

.rules li { margin-bottom: 5px; }

.rules li::marker { color: var(--brand); }

/* ===== 轻提示 ===== */

.toast {
    position: fixed;
    left: 50%;
    bottom: calc(env(safe-area-inset-bottom, 0px) + 34px);
    z-index: 90;
    max-width: min(88vw, 340px);
    padding: 11px 18px;
    border-radius: 12px;
    font-size: 13.5px;
    font-weight: 600;
    line-height: 1.5;
    color: #fff;
    text-align: center;
    background: rgba(15, 26, 46, .92);
    box-shadow: 0 14px 30px -12px rgba(10, 20, 45, .5);
    opacity: 0;
    transform: translate(-50%, 10px);
    pointer-events: none;
    transition: opacity .22s ease, transform .22s var(--ease);
}

.toast.is-on {
    opacity: 1;
    transform: translate(-50%, 0);
}

/* ===== 窄屏 ===== */

@media (max-width: 380px) {
    body { padding-left: 12px; padding-right: 12px; }
    .panel { padding: 26px 18px 20px; border-radius: 22px; }
    .head-badge { width: 54px; height: 54px; border-radius: 18px; }
    .head-badge svg { width: 27px; height: 27px; }
    .title { font-size: 22px; }
    .stat b { font-size: 22px; }
    .stat span { font-size: 11.5px; }
    .code-box { min-height: 88px; }
    .code-value { font-size: 21px; letter-spacing: 2px; }
    .btn-main { height: 53px; font-size: 16px; }
    .btn-sub { height: 48px; }
}

@media (min-width: 900px) and (min-height: 720px) {
    .wrap { max-width: 442px; }
    .panel { padding: 34px 28px 27px; }
    .title { font-size: 26px; }
}

/* ===== 深色主题 ===== */

@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;

        --brand:      #6f97ff;
        --brand-2:    #517df8;
        --brand-3:    #a8c3ff;
        --brand-soft: rgba(94, 137, 255, .14);
        --brand-glow: rgba(70, 116, 255, .5);

        --grad-1:     #7ea4ff;
        --grad-2:     #4a76f2;
        --grad-3:     #2a55d8;
        --brand-hi:   #a8c3ff;
        --brand-line: rgba(111, 151, 255, .4);
        --brand-edge: rgba(111, 151, 255, .22);
        --brand-ring: rgba(111, 151, 255, .16);
        --brand-dot:  rgba(111, 151, 255, .22);
        --code-1:     rgba(46, 86, 190, .16);
        --code-2:     rgba(38, 70, 158, .10);
        --spot-1:     rgba(58, 96, 200, .32);
        --spot-1-a:   rgba(58, 96, 200, 0);
        --spot-2:     rgba(48, 74, 168, .26);
        --spot-2-a:   rgba(48, 74, 168, 0);
        --dot:        rgba(120, 155, 255, .07);

        --accent:      #2fd0bd;
        --accent-soft: rgba(47, 208, 189, .13);
        --violet:      #a394ff;

        --bg-page: #0a101c;
        --bg-card: #121a2b;
        --bg-soft: #172136;
        --bg-tint: #152030;

        --text-1: #eef2fb;
        --text-2: #a7b4ca;
        --text-3: #6f7d95;

        --line:   #1e2a40;
        --line-2: #28354e;

        --shadow-card: 0 2px 4px rgba(0, 0, 0, .4), 0 28px 56px -30px rgba(0, 0, 0, .85);
        --shadow-main: 0 18px 34px -16px rgba(42, 88, 238, .65), inset 0 1px 0 rgba(255, 255, 255, .16);
    }

    .panel::before { opacity: .75; }

    .code-box.has-code {
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, .05);
    }

    .code-box::before,
    .code-box::after { box-shadow: inset 0 1px 3px rgba(0, 0, 0, .55); }

    .btn-sub {
        background: rgba(94, 137, 255, .12);
        border-color: var(--brand-edge);
        color: var(--brand);
    }

    .btn-sub:hover:not(:disabled) { background: rgba(94, 137, 255, .19); }

    .btn-sub:disabled {
        color: var(--text-3);
        background: var(--bg-soft);
        border-color: var(--line);
    }

    .btn-sub.is-done {
        color: var(--accent);
        background: var(--accent-soft);
        border-color: rgba(47, 208, 189, .3);
    }

    .btn-main.is-off,
    .btn-main:disabled {
        background: var(--bg-soft);
        color: var(--text-3);
        border-color: var(--line);
    }

    .btn-solid { box-shadow: 0 12px 24px -12px rgba(42, 88, 238, .9); }

    .notice {
        color: #f0b45c;
        background: rgba(180, 110, 20, .12);
        border-color: rgba(224, 158, 60, .28);
    }

    .input:focus { background: var(--bg-card); }

    .toast {
        background: rgba(232, 238, 250, .95);
        color: #101a2e;
        box-shadow: 0 14px 30px -12px rgba(0, 0, 0, .7);
    }

    .mask { background: rgba(3, 8, 18, .62); }
}

/* ============================================================
   外观主题：后台「系统设置 → 领取页外观」切换
   <html data-theme="...">；默认 blue 无需任何覆盖
   每个主题只改品牌色 / 渐变 / 页面底色，结构与排版完全共用
   ============================================================ */

/* ---- 薄荷绿 ---- */
html[data-theme="mint"] {
    --brand:      #0d9488;
    --brand-2:    #0b7f75;
    --brand-3:    #08665e;
    --brand-soft: #e6f6f3;
    --brand-glow: rgba(13, 148, 136, .5);
    --grad-1:     #45c8b7;
    --grad-2:     #0f9d90;
    --grad-3:     #0a7a72;
    --brand-hi:   #5fd0c3;
    --brand-line: rgba(13, 148, 136, .36);
    --brand-edge: rgba(13, 148, 136, .18);
    --brand-ring: rgba(13, 148, 136, .13);
    --brand-dot:  rgba(13, 148, 136, .16);
    --code-1:     #f5fdfb;
    --code-2:     #e9f8f4;
    --accent:      #2f6ff0;
    --accent-soft: #eaf1ff;
    --bg-page:     #eefaf7;
    --spot-1:      #d3f1eb;
    --spot-1-a:    rgba(211, 241, 235, 0);
    --spot-2:      #e0f6f1;
    --spot-2-a:    rgba(224, 246, 241, 0);
    --dot:         rgba(13, 148, 136, .055);
}

@media (prefers-color-scheme: dark) {
    html[data-theme="mint"] {
        --brand:      #5fd8c8;
        --brand-2:    #35bfae;
        --brand-3:    #a8efe4;
        --brand-soft: rgba(95, 216, 200, .14);
        --brand-glow: rgba(63, 200, 183, .5);
        --grad-1:     #63dccb;
        --grad-2:     #2bb5a4;
        --grad-3:     #159486;
        --brand-hi:   #8ee7db;
        --brand-line: rgba(95, 216, 200, .4);
        --brand-edge: rgba(95, 216, 200, .22);
        --brand-ring: rgba(95, 216, 200, .16);
        --brand-dot:  rgba(95, 216, 200, .22);
        --code-1:     rgba(28, 126, 114, .18);
        --code-2:     rgba(20, 100, 91, .10);
        --accent:      #7aa8ff;
        --accent-soft: rgba(122, 168, 255, .14);
        /* 主题选择器优先级高于基础深色 :root，底色要在这里显式覆盖，否则会残留浅色 */
        --bg-page:     #081311;
        --bg-card:     #0f1b19;
        --bg-soft:     #142320;
        --bg-tint:     #121f1d;
        --spot-1:     rgba(20, 140, 128, .3);
        --spot-1-a:   rgba(20, 140, 128, 0);
        --spot-2:     rgba(16, 112, 102, .24);
        --spot-2-a:   rgba(16, 112, 102, 0);
        --dot:        rgba(95, 216, 200, .07);
    }
}

/* ---- 暖阳橙 ---- */
html[data-theme="sunset"] {
    --brand:      #e2660b;
    --brand-2:    #c8570a;
    --brand-3:    #a8460a;
    --brand-soft: #fdf0e4;
    --brand-glow: rgba(226, 102, 11, .5);
    --grad-1:     #f9a63f;
    --grad-2:     #ec7a14;
    --grad-3:     #cf5d06;
    --brand-hi:   #ffb972;
    --brand-line: rgba(226, 102, 11, .34);
    --brand-edge: rgba(226, 102, 11, .18);
    --brand-ring: rgba(226, 102, 11, .13);
    --brand-dot:  rgba(226, 102, 11, .16);
    --code-1:     #fffaf3;
    --code-2:     #fdf1e4;
    --accent:      #0f9d90;
    --accent-soft: #e6f7f4;
    --bg-page:     #fdf6ee;
    --spot-1:      #ffe6cc;
    --spot-1-a:    rgba(255, 230, 204, 0);
    --spot-2:      #fff0dd;
    --spot-2-a:    rgba(255, 240, 221, 0);
    --dot:         rgba(226, 102, 11, .05);
}

@media (prefers-color-scheme: dark) {
    html[data-theme="sunset"] {
        --brand:      #ffa657;
        --brand-2:    #f78f35;
        --brand-3:    #ffd0a0;
        --brand-soft: rgba(255, 166, 87, .14);
        --brand-glow: rgba(255, 150, 60, .5);
        --grad-1:     #ffb877;
        --grad-2:     #f08a2e;
        --grad-3:     #cf6a10;
        --brand-hi:   #ffd0a0;
        --brand-line: rgba(255, 166, 87, .4);
        --brand-edge: rgba(255, 166, 87, .22);
        --brand-ring: rgba(255, 166, 87, .16);
        --brand-dot:  rgba(255, 166, 87, .22);
        --code-1:     rgba(150, 85, 20, .2);
        --code-2:     rgba(120, 66, 12, .1);
        --accent:      #2fd0bd;
        --accent-soft: rgba(47, 208, 189, .13);
        --bg-page:     #120d07;
        --bg-card:     #1c150d;
        --bg-soft:     #231a10;
        --bg-tint:     #1f170e;
        --spot-1:     rgba(190, 110, 20, .28);
        --spot-1-a:   rgba(190, 110, 20, 0);
        --spot-2:     rgba(150, 85, 15, .22);
        --spot-2-a:   rgba(150, 85, 15, 0);
        --dot:        rgba(255, 166, 87, .07);
    }
}

/* ---- 玫瑰粉 ---- */
html[data-theme="rose"] {
    --brand:      #df2a63;
    --brand-2:    #c81f55;
    --brand-3:    #a81745;
    --brand-soft: #fdeef4;
    --brand-glow: rgba(223, 42, 99, .45);
    --grad-1:     #f4739c;
    --grad-2:     #e23a6f;
    --grad-3:     #c31f52;
    --brand-hi:   #f898b6;
    --brand-line: rgba(223, 42, 99, .34);
    --brand-edge: rgba(223, 42, 99, .18);
    --brand-ring: rgba(223, 42, 99, .13);
    --brand-dot:  rgba(223, 42, 99, .16);
    --code-1:     #fff7fa;
    --code-2:     #fcebf2;
    --accent:      #0f9d90;
    --accent-soft: #e6f7f4;
    --bg-page:     #fdf4f7;
    --spot-1:      #fde0ea;
    --spot-1-a:    rgba(253, 224, 234, 0);
    --spot-2:      #fde9f0;
    --spot-2-a:    rgba(253, 233, 240, 0);
    --dot:         rgba(223, 42, 99, .05);
}

@media (prefers-color-scheme: dark) {
    html[data-theme="rose"] {
        --brand:      #ff7aa8;
        --brand-2:    #f45c90;
        --brand-3:    #ffb3ca;
        --brand-soft: rgba(255, 122, 168, .14);
        --brand-glow: rgba(244, 92, 144, .5);
        --grad-1:     #ff92b6;
        --grad-2:     #f45c90;
        --grad-3:     #cf3a70;
        --brand-hi:   #ffb3ca;
        --brand-line: rgba(255, 122, 168, .4);
        --brand-edge: rgba(255, 122, 168, .22);
        --brand-ring: rgba(255, 122, 168, .16);
        --brand-dot:  rgba(255, 122, 168, .22);
        --code-1:     rgba(150, 30, 70, .2);
        --code-2:     rgba(120, 24, 58, .1);
        --accent:      #2fd0bd;
        --accent-soft: rgba(47, 208, 189, .13);
        --bg-page:     #130a10;
        --bg-card:     #1d1118;
        --bg-soft:     #24151d;
        --bg-tint:     #20131a;
        --spot-1:     rgba(200, 50, 100, .26);
        --spot-1-a:   rgba(200, 50, 100, 0);
        --spot-2:     rgba(160, 35, 80, .2);
        --spot-2-a:   rgba(160, 35, 80, 0);
        --dot:        rgba(255, 122, 168, .07);
    }
}

/* ---- 暗夜紫（固定深色，不跟随系统） ---- */
html[data-theme="night"] {
    color-scheme: dark;

    --brand:      #a78bfa;
    --brand-2:    #8b6cf0;
    --brand-3:    #c9b8ff;
    --brand-soft: rgba(139, 108, 240, .16);
    --brand-glow: rgba(139, 108, 240, .45);
    --grad-1:     #b79bff;
    --grad-2:     #8b6cf0;
    --grad-3:     #6d4de0;
    --brand-hi:   #d3c4ff;
    --brand-line: rgba(167, 139, 250, .38);
    --brand-edge: rgba(167, 139, 250, .2);
    --brand-ring: rgba(167, 139, 250, .16);
    --brand-dot:  rgba(167, 139, 250, .2);
    --code-1:     rgba(70, 54, 140, .32);
    --code-2:     rgba(52, 40, 110, .18);

    --accent:      #2fd0bd;
    --accent-soft: rgba(47, 208, 189, .13);
    --violet:      #c4b5fd;

    --bg-page: #0c0f1d;
    --bg-card: #151a2e;
    --bg-soft: #1a2038;
    --bg-tint: #181e33;

    --text-1: #eef0fa;
    --text-2: #a9b0c8;
    --text-3: #6f7791;

    --line:   #232b45;
    --line-2: #2d3654;

    --shadow-card: 0 2px 4px rgba(0, 0, 0, .45), 0 28px 56px -30px rgba(0, 0, 0, .9);
    --shadow-main: 0 18px 34px -16px rgba(109, 77, 224, .7), inset 0 1px 0 rgba(255, 255, 255, .16);

    --spot-1:   rgba(120, 94, 230, .34);
    --spot-1-a: rgba(120, 94, 230, 0);
    --spot-2:   rgba(88, 66, 190, .26);
    --spot-2-a: rgba(88, 66, 190, 0);
    --dot:      rgba(167, 139, 250, .08);
}

html[data-theme="night"] .panel::before { opacity: .8; }

html[data-theme="night"] .code-box::before,
html[data-theme="night"] .code-box::after { box-shadow: inset 0 1px 3px rgba(0, 0, 0, .55); }

/* ===== 动效与焦点 ===== */

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
}

:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
}