/* =========================================================================
   奉节日出日落 · 火烧云播报  —  样式表
   ========================================================================= */

/* =========================================================
   设计令牌
   ========================================================= */
:root {
    --r-sm: 12px;
    --r-md: 16px;
    --r-lg: 20px;
    --r-xl: 24px;
    --r-pill: 999px;

    --surface-1: rgba(255, 255, 255, 0.055);
    --surface-2: rgba(255, 255, 255, 0.035);
    --surface-3: rgba(255, 255, 255, 0.025);
    --border: rgba(255, 255, 255, 0.08);
    --border-soft: rgba(255, 255, 255, 0.05);

    --shadow: 0 10px 36px rgba(0, 0, 0, 0.45);
    --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);

    --gold: #f5c542;
    --gold-soft: #fce8a0;
    --gold-deep: #f5a623;
    --orange: #e8852a;
    --blue: #7ac7f5;
    --green: #7ddfa0;
    --red: #e86450;

    --t1: #ffffff;
    --t2: rgba(255, 255, 255, 0.72);
    --t3: rgba(255, 255, 255, 0.45);
    --t4: rgba(255, 255, 255, 0.25);
    --t5: rgba(255, 255, 255, 0.12);
}

/* =========================================================
   Reset & Base
   ========================================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', 'Noto Serif SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    background: #0b0e1a;
    padding: 16px 12px 32px;
    overflow-x: hidden;
    color: var(--t2);
}

img {
    max-width: 100%;
}

button {
    font-family: inherit;
}

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

/* =========================================================
   背景天空
   ========================================================= */
.bg-sky {
    position: fixed;
    inset: 0;
    z-index: 0;
    background: linear-gradient(180deg,
            #0a0e1a 0%,
            #10122a 22%,
            #1a1a3e 45%,
            #2a1f3a 65%,
            #3a222a 82%,
            #4a2a22 100%);
    overflow: hidden;
}

.bg-sky::before {
    content: '';
    position: absolute;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 140%;
    height: 70%;
    background: radial-gradient(ellipse at center,
            rgba(245, 197, 66, 0.09) 0%,
            rgba(232, 133, 42, 0.04) 35%,
            transparent 70%);
    pointer-events: none;
}

.bg-sky::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(1px 1px at 12% 18%, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(1px 1px at 34% 8%, rgba(255, 255, 255, 0.35), transparent),
        radial-gradient(1px 1px at 68% 22%, rgba(255, 255, 255, 0.4), transparent),
        radial-gradient(1px 1px at 82% 12%, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(1px 1px at 22% 38%, rgba(255, 255, 255, 0.25), transparent),
        radial-gradient(1px 1px at 55% 42%, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(1px 1px at 90% 35%, rgba(255, 255, 255, 0.2), transparent);
    pointer-events: none;
    opacity: 0.55;
}

.container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
}

/* =========================================================
   状态栏
   ========================================================= */
.status-banner {
    margin-bottom: 12px;
    padding: 8px 14px;
    border-radius: var(--r-md);
    font-size: clamp(0.7rem, 2.2vw, 0.82rem);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: all 0.4s ease;
}

.status-banner.success {
    background: rgba(100, 220, 150, 0.10);
    border: 1px solid rgba(100, 220, 150, 0.20);
    color: var(--green);
}

.status-banner.warning {
    background: rgba(245, 197, 66, 0.10);
    border: 1px solid rgba(245, 197, 66, 0.22);
    color: var(--gold);
}

.status-banner.danger {
    background: rgba(230, 100, 80, 0.15);
    border: 1px solid rgba(230, 100, 80, 0.28);
    color: var(--red);
}

.status-banner .badge {
    display: inline-block;
    padding: 1px 10px;
    border-radius: var(--r-pill);
    font-size: 0.7rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.08);
}

.status-banner .source-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 1px 10px;
    border-radius: var(--r-pill);
    font-size: 0.7rem;
    background: rgba(255, 255, 255, 0.05);
    margin-left: auto;
}

.status-banner .source-tag .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.dot.green { background: var(--green); box-shadow: 0 0 6px rgba(125, 223, 160, 0.6); }
.dot.yellow { background: var(--gold); box-shadow: 0 0 6px rgba(245, 197, 66, 0.6); }
.dot.red { background: var(--red); box-shadow: 0 0 6px rgba(232, 100, 80, 0.6); }

/* =========================================================
   头部
   ========================================================= */
.header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    margin-bottom: 14px;
    background: linear-gradient(180deg,
            rgba(255, 255, 255, 0.07) 0%,
            rgba(255, 255, 255, 0.035) 100%);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow);
    gap: 12px;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.22), transparent);
    pointer-events: none;
    z-index: 2;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1 1 auto;
    min-width: 0;
}

.brand-icon {
    width: clamp(38px, 9vw, 48px);
    height: clamp(38px, 9vw, 48px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(245, 197, 66, 0.20), rgba(232, 133, 42, 0.10));
    border: 1px solid rgba(245, 197, 66, 0.22);
    font-size: clamp(1.1rem, 3.4vw, 1.4rem);
    color: var(--gold);
    box-shadow: inset 0 0 20px rgba(245, 197, 66, 0.12), 0 0 24px rgba(245, 197, 66, 0.10);
    flex-shrink: 0;
}

.brand h1 {
    font-family: 'Noto Serif SC', serif;
    font-weight: 900;
    font-size: clamp(1rem, 3.6vw, 1.55rem);
    background: linear-gradient(135deg, #fce8a0, #f5b642, #e8852a);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1.5px;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.brand .sub {
    font-size: clamp(0.55rem, 1.8vw, 0.75rem);
    font-weight: 400;
    color: var(--t3);
    letter-spacing: 2.5px;
    -webkit-text-fill-color: var(--t3);
    background: none;
    margin-left: 2px;
}

.header-right {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    flex: 2 1 auto;
    min-width: 0;
}

/* ---------- 天气徽章 ---------- */
.weather-badge {
    height: 34px;
    padding: 0 12px 0 10px;
    border-radius: var(--r-pill);
    font-size: clamp(0.65rem, 1.9vw, 0.8rem);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.07);
    color: var(--t2);
    transition: all 0.2s ease;
    white-space: nowrap;
    line-height: 1;
    flex-shrink: 1;
    min-width: 0;
}

.weather-badge .icon {
    font-size: clamp(0.9rem, 2.6vw, 1.1rem);
    color: var(--gold);
    display: flex;
    align-items: center;
}

.weather-badge .temp {
    font-size: clamp(0.8rem, 2.2vw, 0.95rem);
    font-weight: 600;
    color: var(--t1);
}

.weather-badge .temp sup {
    font-size: 0.6rem;
    font-weight: 400;
    color: var(--t3);
    top: -2px;
    position: relative;
}

.weather-badge .desc {
    font-size: clamp(0.6rem, 1.8vw, 0.78rem);
    color: var(--t2);
    font-weight: 400;
}

.weather-badge .divider {
    width: 1px;
    height: 16px;
    background: rgba(255, 255, 255, 0.10);
    margin: 0 3px;
    flex-shrink: 0;
}

.weather-badge .wind {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: clamp(0.6rem, 1.8vw, 0.78rem);
    color: var(--t2);
    font-weight: 400;
}

.weather-badge .wind i {
    font-size: 0.7rem;
    color: var(--t4);
}

/* =========================================================
   日期切换控件
   ========================================================= */
.date-control {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 2px;
    height: 34px;
    padding: 0 4px;
    border-radius: var(--r-pill);
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(255, 255, 255, 0.07);
    flex-shrink: 1;
    min-width: 0;
    transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.date-control:hover {
    border-color: rgba(245, 197, 66, 0.22);
    background: rgba(255, 255, 255, 0.06);
}

.date-control.is-open {
    border-color: rgba(245, 197, 66, 0.45);
    background: rgba(245, 197, 66, 0.08);
    box-shadow: 0 0 0 3px rgba(245, 197, 66, 0.08);
}

.date-nav {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--t3);
    font-size: 0.6rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
}

.date-nav:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.10);
    color: var(--gold);
}

.date-nav:active:not(:disabled) {
    transform: scale(0.9);
}

.date-nav:disabled {
    opacity: 0.18;
    cursor: not-allowed;
}

.header-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 24px;
    padding: 0 10px;
    border-radius: var(--r-pill);
    font-size: clamp(0.62rem, 1.85vw, 0.78rem);
    font-weight: 500;
    color: var(--t2);
    white-space: nowrap;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
    min-width: 0;
    overflow: hidden;
    outline: none;
    user-select: none;
    line-height: 1;
    -webkit-tap-highlight-color: transparent;
}

.header-date:hover,
.header-date:focus-visible {
    background: rgba(255, 255, 255, 0.08);
    color: var(--t1);
}

.header-date i.far {
    color: var(--gold);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.header-date .date-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.header-date .date-caret {
    font-size: 0.5rem;
    color: var(--t4);
    flex-shrink: 0;
    transition: transform 0.25s ease, color 0.25s ease;
    margin-left: 1px;
}

.date-control.is-open .header-date .date-caret {
    transform: rotate(180deg);
    color: var(--gold);
}

.header-date.is-other-day {
    background: rgba(245, 197, 66, 0.12);
    color: var(--gold-soft);
    box-shadow: inset 0 0 0 1px rgba(245, 197, 66, 0.20);
}

.header-date.is-other-day i.far {
    color: var(--gold-deep);
}

/* =========================================================
   日期选择下拉面板
   ========================================================= */
.date-picker-panel {
    position: fixed;
    z-index: 900;
    width: 358px;
    max-width: calc(100vw - 16px);
    background: rgba(13, 17, 30, 0.98);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 18px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.78),
                0 0 0 1px rgba(245, 197, 66, 0.05),
                inset 0 1px 0 rgba(255, 255, 255, 0.05);
    padding: 14px 12px 12px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px) scale(0.96);
    transform-origin: top center;
    transition: opacity 0.24s ease, transform 0.24s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.date-picker-panel.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.dpp-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    padding: 0 6px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    margin-bottom: 10px;
}

.dpp-title {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--t1);
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.dpp-title i {
    color: var(--gold);
    font-size: 0.85rem;
}

.dpp-hint {
    font-size: 0.55rem;
    color: var(--t4);
    letter-spacing: 0.3px;
    white-space: nowrap;
    flex-shrink: 0;
}

.dpp-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.dpp-cell {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 7px 1px 6px;
    border-radius: 10px;
    border: 1px solid transparent;
    background: rgba(255, 255, 255, 0.025);
    color: var(--t2);
    cursor: pointer;
    transition: all 0.16s ease;
    font-family: inherit;
    -webkit-tap-highlight-color: transparent;
    min-height: 50px;
    outline: none;
}

.dpp-cell:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.10);
    transform: translateY(-1px);
}

.dpp-cell:active {
    transform: scale(0.94);
}

.dpp-cell:focus-visible {
    border-color: var(--gold);
    box-shadow: 0 0 0 2px rgba(245, 197, 66, 0.25);
}

.dpp-cell .dpp-week {
    font-size: 0.56rem;
    font-weight: 500;
    color: var(--t4);
    letter-spacing: 0.5px;
    line-height: 1;
}

.dpp-cell .dpp-date {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--t2);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.dpp-cell.is-today {
    background: rgba(245, 197, 66, 0.09);
    border-color: rgba(245, 197, 66, 0.20);
}

.dpp-cell.is-today .dpp-week { color: var(--gold); }
.dpp-cell.is-today .dpp-date { color: var(--gold-soft); }

.dpp-cell.is-selected {
    background: linear-gradient(135deg, rgba(245, 197, 66, 0.32), rgba(232, 133, 42, 0.20));
    border-color: rgba(245, 197, 66, 0.65);
    box-shadow: 0 4px 16px rgba(245, 197, 66, 0.25),
                inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.dpp-cell.is-selected .dpp-week { color: rgba(255, 255, 255, 0.85); }
.dpp-cell.is-selected .dpp-date { color: #ffffff; font-weight: 700; }

.dpp-cell.is-today.is-selected {
    background: linear-gradient(135deg, rgba(245, 197, 66, 0.45), rgba(232, 133, 42, 0.30));
    border-color: rgba(245, 197, 66, 0.85);
}

/* =========================================================
   顶部 Header 天气动态效果
   ========================================================= */
.weather-fx {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    border-radius: inherit;
    z-index: 0;
}

.header > .brand,
.header > .header-right {
    position: relative;
    z-index: 1;
}

.wfx-sun-glow {
    position: absolute;
    top: -70%;
    right: 4%;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: radial-gradient(circle,
            rgba(255, 214, 120, 0.38) 0%,
            rgba(255, 180, 60, 0.14) 42%,
            transparent 72%);
    animation: wfxSunGlow 5s ease-in-out infinite alternate;
}

@keyframes wfxSunGlow {
    0%   { opacity: 0.5; transform: scale(0.9); }
    100% { opacity: 1;   transform: scale(1.1); }
}

.wfx-sun-spark {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, #fff3c4, rgba(255, 214, 120, 0));
    animation: wfxSunSpark linear infinite;
}

@keyframes wfxSunSpark {
    0%   { transform: translateY(0) scale(0.5);      opacity: 0; }
    18%  {                                            opacity: 0.95; }
    100% { transform: translateY(-64px) scale(1.25);  opacity: 0; }
}

.wfx-cloud {
    position: absolute;
    left: -180px;
    border-radius: 50%;
    background: radial-gradient(ellipse at 40% 35%,
            rgba(255, 255, 255, 0.9),
            rgba(255, 255, 255, 0.28) 70%);
    filter: blur(3px);
    animation: wfxCloudDrift linear infinite;
}

.fx-overcast .wfx-cloud {
    background: radial-gradient(ellipse at 40% 35%,
            rgba(210, 216, 230, 0.55),
            rgba(160, 170, 190, 0.12) 70%);
}

@keyframes wfxCloudDrift {
    0%   { transform: translateX(0); }
    100% { transform: translateX(calc(100vw + 360px)); }
}

.wfx-rain-drop {
    position: absolute;
    top: -18px;
    width: 1.6px;
    border-radius: 1px;
    background: linear-gradient(to bottom,
            rgba(170, 215, 255, 0),
            rgba(170, 215, 255, 0.85));
    animation: wfxRainFall linear infinite;
}

@keyframes wfxRainFall {
    0%   { transform: translateY(-18px) translateX(0);     opacity: 0; }
    12%  {                                                  opacity: 0.9; }
    100% { transform: translateY(150px) translateX(-14px);  opacity: 0; }
}

.wfx-snow-flake {
    position: absolute;
    top: -10px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 5px rgba(255, 255, 255, 0.85);
    animation: wfxSnowFall linear infinite;
}

@keyframes wfxSnowFall {
    0%   { transform: translateY(-10px) translateX(0);    opacity: 0; }
    12%  {                                                 opacity: 0.95; }
    50%  { transform: translateY(60px)  translateX(10px); }
    100% { transform: translateY(140px) translateX(-8px);  opacity: 0; }
}

.wfx-fog-band {
    position: absolute;
    left: -20%;
    width: 140%;
    height: 16px;
    border-radius: 50%;
    background: linear-gradient(90deg,
            transparent,
            rgba(205, 216, 232, 0.22),
            transparent);
    filter: blur(7px);
    animation: wfxFogDrift ease-in-out infinite alternate;
}

@keyframes wfxFogDrift {
    0%   { transform: translateX(-6%); opacity: 0.35; }
    100% { transform: translateX(6%);  opacity: 0.8; }
}

.wfx-lightning {
    position: absolute;
    inset: 0;
    background: rgba(205, 225, 255, 0.5);
    opacity: 0;
    animation: wfxLightning 8s ease-in-out infinite;
}

@keyframes wfxLightning {
    0%, 86%, 100% { opacity: 0; }
    87%           { opacity: 0.5; }
    88.2%         { opacity: 0; }
    89.6%         { opacity: 0.32; }
    91%           { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
    .weather-fx { display: none; }
}

/* =========================================================
   时间卡
   ========================================================= */
.time-cards-top {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 14px;
}

.card-time {
    padding: 16px 18px 22px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.6s ease;
    position: relative;
    overflow: hidden;
    min-height: 140px;
}

.card-time::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.04) 0%, transparent 60%);
    pointer-events: none;
    opacity: 0.6;
}

.card-time::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent, var(--gold)), transparent);
    opacity: 0.75;
    pointer-events: none;
}

.card-time.sunrise { --accent: var(--gold); }
.card-time.gold    { --accent: var(--orange); }
.card-time.blue    { --accent: var(--blue); }

.card-time .label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: clamp(0.6rem, 1.8vw, 0.75rem);
    font-weight: 600;
    color: var(--t3);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.card-time .label i { font-size: 1rem; }

.card-time .time-range {
    display: flex;
    align-items: baseline;
    gap: 6px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.card-time .time-range .time {
    font-size: clamp(1.2rem, 5.5vw, 2rem);
    font-weight: 700;
    color: var(--t1);
    letter-spacing: 0.5px;
    text-shadow: 0 0 24px rgba(255, 255, 255, 0.06);
    font-variant-numeric: tabular-nums;
}

.card-time .time-range .time.time-sm {
    font-size: clamp(0.9rem, 3.5vw, 1.3rem);
}

.card-time .time-range .sep {
    font-size: 1rem;
    color: var(--t5);
    font-weight: 300;
}

.card-time .time-range .period {
    font-size: clamp(0.6rem, 1.8vw, 0.75rem);
    color: var(--t4);
    font-weight: 400;
}

.card-time .hint {
    font-size: clamp(0.6rem, 1.8vw, 0.75rem);
    color: var(--t3);
    margin-top: 6px;
    font-weight: 300;
    position: relative;
    z-index: 1;
    word-break: break-word;
    line-height: 1.5;
}

.card-time .weather-tag {
    position: absolute;
    bottom: 10px;
    right: 14px;
    font-size: clamp(0.5rem, 1.6vw, 0.68rem);
    color: var(--t4);
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 1;
}

.card-time .weather-tag i { font-size: 0.75rem; }

.card-time.sunrise .label i { color: var(--gold-deep); }
.card-time.sunrise .time { color: var(--gold); }
.card-time.gold .label i { color: var(--gold); }
.card-time.blue .label i { color: var(--blue); }

/* =========================================================
   指数卡
   ========================================================= */
.index-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 14px;
}

.card-index {
    padding: 18px 18px 18px 20px;
    background: var(--surface-1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.2s ease;
    position: relative;
    overflow: hidden;
}

.card-index::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14%;
    bottom: 14%;
    width: 3px;
    border-radius: 0 3px 3px 0;
}

.card-index.sunrise-index::before {
    background: linear-gradient(180deg, var(--gold-deep), var(--gold-soft));
}

.card-index.sunset-index::before {
    background: linear-gradient(180deg, var(--orange), var(--gold-deep));
}

.card-index::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle at 100% 0%, rgba(255, 255, 255, 0.04), transparent 70%);
    pointer-events: none;
}

.card-index:hover {
    background: rgba(255, 255, 255, 0.075);
}

.card-index .label {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: clamp(0.55rem, 1.6vw, 0.68rem);
    font-weight: 600;
    color: var(--t3);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.card-index .label i {
    font-size: 0.9rem;
    color: var(--t4);
}

.card-index.sunrise-index .label i { color: rgba(245, 166, 35, 0.7); }
.card-index.sunset-index .label i  { color: rgba(232, 133, 42, 0.7); }

.card-index .value-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 4px;
    position: relative;
    z-index: 1;
}

.card-index .value-row .main-value {
    font-size: clamp(1.6rem, 5.2vw, 2.4rem);
    font-weight: 700;
    color: var(--t1);
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
}

.card-index .value-row .main-value .max {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--t4);
}

.card-index .value-row .prob-value {
    font-size: clamp(1.4rem, 4.6vw, 2.1rem);
    font-weight: 700;
    color: var(--gold);
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
}

.card-index .value-row .prob-value .unit {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--t4);
}

.card-index .progress-track {
    margin-top: 12px;
    height: 6px;
    border-radius: var(--r-pill);
    background: rgba(255, 255, 255, 0.07);
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.03);
    z-index: 1;
}

.card-index .progress-track .fill {
    height: 100%;
    border-radius: var(--r-pill);
    width: 0%;
    transition: width 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                background 0.8s ease,
                box-shadow 0.8s ease;
    background: #3a1f0f;
    box-shadow: 0 0 0 rgba(245, 197, 66, 0);
    position: relative;
}

.card-index .progress-track .fill.pulse {
    animation: glowPulse 2s ease-in-out infinite alternate;
}

@keyframes glowPulse {
    0%   { filter: brightness(0.9); }
    100% { filter: brightness(1.3); }
}

.card-index .progress-track .fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0) 100%);
    border-radius: var(--r-pill);
    pointer-events: none;
}

.card-index .hint-text {
    font-size: clamp(0.5rem, 1.5vw, 0.62rem);
    color: var(--t4);
    margin-top: 6px;
    letter-spacing: 0.3px;
    position: relative;
    z-index: 1;
}

/* =========================================================
   气溶胶
   ========================================================= */
.card-aerosol {
    display: flex;
    align-items: center;
    gap: 16px 24px;
    flex-wrap: wrap;
    padding: 16px 22px;
    margin-bottom: 14px;
    background: var(--surface-1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card-aerosol::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--green), rgba(125, 223, 160, 0.3));
    opacity: 0.55;
}

.card-aerosol .label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: clamp(0.55rem, 1.6vw, 0.68rem);
    font-weight: 600;
    color: var(--t3);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    white-space: nowrap;
    flex: 0 0 auto;
}

.card-aerosol .label i {
    color: var(--gold);
    font-size: 0.9rem;
}

.card-aerosol .aerosol-body {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    flex: 1 1 auto;
    min-width: 0;
}

.card-aerosol .value {
    font-size: clamp(1.4rem, 4.6vw, 2rem);
    font-weight: 700;
    color: var(--t1);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.card-aerosol .value .unit {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--t4);
    margin-left: 4px;
}

.aerosol-tag {
    display: inline-block;
    padding: 3px 14px;
    border-radius: var(--r-pill);
    font-size: clamp(0.55rem, 1.6vw, 0.68rem);
    font-weight: 500;
    background: rgba(100, 220, 150, 0.12);
    color: var(--green);
    border: 1px solid rgba(100, 220, 150, 0.10);
    white-space: nowrap;
}

.card-aerosol .sub-info {
    font-size: clamp(0.55rem, 1.6vw, 0.7rem);
    color: var(--t3);
    margin-left: auto;
    text-align: right;
}

/* =========================================================
   图表卡
   ========================================================= */
.card-chart {
    padding: 18px 20px 20px;
    margin-bottom: 14px;
    background: var(--surface-1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card-chart .label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: clamp(0.55rem, 1.6vw, 0.68rem);
    font-weight: 600;
    color: var(--t3);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 12px;
}

.card-chart .label i {
    color: var(--t4);
    font-size: 0.9rem;
}

.card-chart .label span {
    font-weight: 300;
    text-transform: none;
    color: var(--t4);
    font-size: clamp(0.45rem, 1.4vw, 0.58rem);
}

.cloud-stats-mini {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 14px;
    padding: 10px 14px;
    background: var(--surface-3);
    border-radius: var(--r-sm);
    border: 1px solid var(--border-soft);
}

.cloud-stats-mini .stat {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: clamp(0.6rem, 1.8vw, 0.75rem);
    color: var(--t3);
}

.cloud-stats-mini .stat i {
    color: var(--t4);
    font-size: 0.75rem;
}

.cloud-stats-mini .stat .num {
    font-weight: 600;
    color: var(--t1);
    font-variant-numeric: tabular-nums;
}

.cloud-stats-mini .stat .num.sunset {
    color: var(--gold);
}

.cloud-stats-mini .stat .unit-sm {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.3);
}

.chart-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.chart-box {
    background: var(--surface-3);
    border-radius: var(--r-md);
    padding: 14px 12px 12px;
    border: 1px solid var(--border-soft);
}

.chart-box .chart-title {
    font-size: clamp(0.5rem, 1.5vw, 0.62rem);
    color: var(--t3);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.chart-box .chart-title .chart-title-sub {
    font-weight: 400;
    font-size: 0.5rem;
    color: rgba(255, 255, 255, 0.2);
}

.chart-box canvas {
    width: 100% !important;
    height: auto !important;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.22);
    display: block;
    touch-action: pan-y;
}

#cloudCanvas  { max-height: 260px; }
#hourlyCanvas { max-height: 340px; }

.chart-legend {
    display: flex;
    gap: 10px;
    font-weight: 400;
    font-size: 0.5rem;
    color: var(--t3);
    text-transform: none;
    letter-spacing: 0;
}

.chart-legend .lg {
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

.chart-legend .lg i {
    width: 9px;
    height: 3px;
    border-radius: 2px;
    display: inline-block;
}

.chart-legend .dot-precip { background: #4ac0e0; }
.chart-legend .dot-temp   { background: #ff9a4d; }
.chart-legend .dot-humid  { background: #6fb3ff; }

/* =========================================================
   悬浮提示
   ========================================================= */
.hourly-tooltip {
    position: fixed;
    display: none;
    z-index: 1000;
    background: rgba(15, 20, 35, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    padding: 8px 12px;
    pointer-events: none;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.7);
    min-width: 130px;
    line-height: 1.6;
    font-family: 'Inter', sans-serif;
}

.hourly-tooltip .tip-time {
    font-weight: 600;
    font-size: 12px;
    color: #fff;
    margin-bottom: 4px;
    padding-bottom: 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hourly-tooltip .tip-row {
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.hourly-tooltip .tip-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.hourly-tooltip .dot-temp   { background: #ff9a4d; }
.hourly-tooltip .dot-humid  { background: #6fb3ff; }
.hourly-tooltip .dot-precip { background: #4ac0e0; }

.hourly-tooltip .tip-val {
    margin-left: auto;
    font-weight: 600;
    color: #fff;
    padding-left: 12px;
}

/* =========================================================
   火烧云图卡片
   ========================================================= */
.glow-iframe-section {
    margin-bottom: 14px;
    background: var(--surface-1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.glow-iframe-section .map-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding: 14px 20px 12px;
    border-bottom: 1px solid var(--border-soft);
}

.glow-iframe-section .map-header .map-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: clamp(0.8rem, 2.2vw, 1rem);
    font-weight: 600;
    color: var(--t1);
}

.glow-iframe-section .map-header .map-title i {
    color: var(--orange);
    font-size: clamp(1rem, 2.6vw, 1.25rem);
}

.glow-iframe-section .map-header .map-title .map-sub {
    font-weight: 400;
    font-size: clamp(0.5rem, 1.5vw, 0.65rem);
    color: var(--t4);
    margin-left: 4px;
}

.glow-iframe-section .map-header .map-status {
    font-size: clamp(0.5rem, 1.5vw, 0.65rem);
    color: var(--t4);
}

.glow-iframe-section .map-container {
    position: relative;
    padding: 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 380px;
}

.glow-iframe-section .map-container .glow-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    width: 100%;
    margin-bottom: 14px;
}

.glow-iframe-section .map-container .glow-grid .glow-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
}

.glow-iframe-section .map-container .glow-grid .glow-item .glow-label {
    font-size: clamp(0.6rem, 1.8vw, 0.75rem);
    color: var(--t3);
    margin-bottom: 8px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.glow-iframe-section .map-container .glow-grid .glow-item .glow-label i {
    margin-right: 5px;
}

.glow-icon-sunrise { color: var(--gold); }
.glow-icon-sunset  { color: var(--orange); }

.glow-iframe-section .map-container .glow-grid .glow-item img {
    display: block;
    max-width: 100%;
    max-height: 360px;
    border-radius: var(--r-sm);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.glow-iframe-section .map-container .glow-grid .glow-item img:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.65);
}

.glow-iframe-section .map-container .glow-grid .glow-item .fallback {
    text-align: center;
    color: var(--t4);
    padding: 40px 0;
    font-size: 0.8rem;
}

.glow-iframe-section .map-container .glow-grid .glow-item .fallback i {
    font-size: 2rem;
    display: block;
    margin-bottom: 10px;
    opacity: 0.5;
}

.glow-iframe-section .map-container .image-info {
    font-size: clamp(0.5rem, 1.5vw, 0.62rem);
    color: var(--t4);
    text-align: center;
    margin-bottom: 10px;
}

/* =========================================================
   卡片悬浮微交互
   ========================================================= */
.card-time:hover,
.card-index:hover,
.card-chart:hover,
.card-aerosol:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.55);
}

/* =========================================================
   Lightbox
   ========================================================= */
.lightbox-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    padding: 30px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox-overlay.active {
    display: flex;
    opacity: 1;
}

.lightbox-overlay img {
    max-width: 95%;
    max-height: 90vh;
    border-radius: var(--r-md);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.85);
    cursor: default;
    border: 1px solid rgba(255, 255, 255, 0.1);
    object-fit: contain;
}

.lightbox-overlay .close-btn {
    position: absolute;
    top: 24px;
    right: 32px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 2.2rem;
    cursor: pointer;
    transition: color 0.2s ease;
    z-index: 10000;
    background: none;
    border: none;
    font-family: 'Inter', sans-serif;
    line-height: 1;
}

.lightbox-overlay .close-btn:hover { color: #fff; }

/* =========================================================
   页脚
   ========================================================= */
.footer-note {
    margin-top: 14px;
    text-align: center;
    font-size: clamp(0.5rem, 1.5vw, 0.65rem);
    color: var(--t5);
    letter-spacing: 0.5px;
    font-weight: 300;
    line-height: 1.8;
    padding: 0 10px;
}

.footer-note i { margin: 0 2px; color: var(--t5); }
.footer-note span { color: var(--t4); }
.footer-note .coord { color: var(--t4); }

/* =========================================================
   响应式
   ========================================================= */
@media (min-width: 1024px) {
    body { padding: 24px 16px 40px; }
    .header { padding: 18px 26px; }
    .time-cards-top { gap: 18px; }
    .index-grid { gap: 18px; }
    .card-index { padding: 22px 22px 22px 24px; }
    .card-aerosol { padding: 20px 28px; gap: 16px 28px; }
    .card-chart { padding: 22px 26px 24px; }
    .chart-grid { gap: 18px; }
    #cloudCanvas  { max-height: 290px; }
    #hourlyCanvas { max-height: 380px; }
    .glow-iframe-section .map-container { min-height: 440px; }
}

@media (max-width: 820px) {
    .time-cards-top { grid-template-columns: 1fr 1fr; }
    .index-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    body { padding: 10px 8px 24px; }

    .header {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        padding: 12px 14px;
        border-radius: var(--r-lg);
    }
    .brand { justify-content: flex-start; }
    .brand h1 { font-size: 1.15rem; }
    .header-right {
        justify-content: flex-start;
        gap: 6px;
        flex-wrap: wrap;
    }

    .date-control { height: 30px; padding: 0 3px; }
    .header-date { height: 22px; padding: 0 8px; font-size: 0.62rem; gap: 5px; }
    .header-date i.far { font-size: 0.78rem; }
    .date-nav { width: 22px; height: 22px; font-size: 0.55rem; }

    .weather-badge { height: 30px; font-size: 0.65rem; padding: 0 10px; }
    .weather-badge .icon { font-size: 0.85rem; }
    .weather-badge .temp { font-size: 0.72rem; }
    .weather-badge .desc { font-size: 0.6rem; }
    .weather-badge .wind { font-size: 0.6rem; }
    .weather-badge .divider { height: 14px; margin: 0 1px; }

    .time-cards-top { grid-template-columns: 1fr; gap: 10px; }
    .card-time { padding: 14px 16px 20px; border-radius: var(--r-md); min-height: auto; }
    .card-time .time-range .time { font-size: 1.55rem; }

    .index-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .card-index { padding: 14px 14px 16px 18px; border-radius: var(--r-md); }
    .card-index .value-row .main-value { font-size: 1.7rem; }
    .card-index .value-row .prob-value { font-size: 1.5rem; }

    .card-aerosol { padding: 14px 16px; border-radius: var(--r-md); gap: 10px 14px; }
    .card-aerosol .sub-info { margin-left: 0; width: 100%; text-align: left; }

    .card-chart { padding: 14px 16px 16px; border-radius: var(--r-md); }
    #cloudCanvas  { max-height: 215px; }
    #hourlyCanvas { max-height: 280px; }
    .cloud-stats-mini { gap: 12px; padding: 8px 10px; }
    .cloud-stats-mini .stat { font-size: 0.6rem; }

    .glow-iframe-section .map-container { min-height: 300px; padding: 12px; }
    .glow-iframe-section .map-container .glow-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .footer-note { font-size: 0.55rem; }
    .lightbox-overlay .close-btn { top: 16px; right: 20px; font-size: 1.8rem; }
}

@media (max-width: 480px) {
    .index-grid { grid-template-columns: 1fr; gap: 10px; }
    .card-index .value-row .main-value { font-size: 1.55rem; }
    .card-index .value-row .prob-value { font-size: 1.35rem; }
    .glow-iframe-section .map-container { min-height: 260px; }
}

@media (max-width: 420px) {
    .date-picker-panel {
        width: calc(100vw - 16px);
        padding: 12px 8px 10px;
        border-radius: 16px;
    }
    .dpp-grid { gap: 3px; }
    .dpp-cell { min-height: 44px; padding: 5px 1px; border-radius: 8px; gap: 2px; }
    .dpp-cell .dpp-week { font-size: 0.5rem; letter-spacing: 0; }
    .dpp-cell .dpp-date { font-size: 0.62rem; }
    .dpp-head { padding: 0 4px 8px; margin-bottom: 8px; }
    .dpp-title { font-size: 0.66rem; }
    .dpp-hint { font-size: 0.5rem; }
}

@media (max-width: 400px) {
    body { padding: 8px 6px 20px; }
    .header { padding: 10px 12px; gap: 8px; }
    .brand h1 { font-size: 1rem; letter-spacing: 1px; }
    .brand .sub { font-size: 0.5rem; letter-spacing: 1.5px; }
    .header-right { gap: 4px; }

    .date-control { height: 26px; padding: 0 3px; gap: 1px; }
    .header-date {
        height: 20px;
        padding: 0 6px;
        font-size: 0.55rem;
        gap: 4px;
        max-width: 46vw;
    }
    .header-date i.far { font-size: 0.68rem; }
    .date-nav { width: 20px; height: 20px; font-size: 0.5rem; }

    .weather-badge { height: 26px; font-size: 0.55rem; padding: 0 8px; gap: 3px; }
    .weather-badge .icon { font-size: 0.75rem; }
    .weather-badge .temp { font-size: 0.62rem; }
    .weather-badge .desc { display: none; }
    .weather-badge .wind { font-size: 0.55rem; }
    .weather-badge .divider { height: 12px; }

    .card-index { padding: 12px 12px 14px 16px; border-radius: var(--r-sm); }
    .card-index .value-row .main-value { font-size: 1.4rem; }
    .card-index .value-row .prob-value { font-size: 1.2rem; }
    #cloudCanvas  { max-height: 185px; }
    #hourlyCanvas { max-height: 240px; }
    .glow-iframe-section .map-container { min-height: 220px; }
    .footer-note { font-size: 0.5rem; }
    .lightbox-overlay .close-btn { top: 12px; right: 16px; font-size: 1.6rem; }
}

/* 触控优化 */
.weather-badge,
.date-control,
.dpp-cell,
.date-nav {
    touch-action: manipulation;
}

.card-time,
.card-index,
.card-aerosol,
.card-chart,
.header,
.status-banner,
.glow-iframe-section {
    -webkit-tap-highlight-color: transparent;
}

/* 打印样式 */
@media print {
    .bg-sky,
    .weather-fx,
    .date-control,
    .hourly-tooltip { display: none !important; }
    body { background: #fff; color: #000; }
}