:root {
    --bg: #f6f7f9;
    --paper: #ffffff;
    --line: #d9dee7;
    --line-strong: #bac3d1;
    --ink: #152033;
    --muted: #667085;
    --accent: #0f766e;
    --accent-strong: #0b5e57;
    --accent-soft: #e7f6f4;
    --blue: #2563eb;
    --blue-soft: #e8f0ff;
    --success: #15803d;
    --warning: #b45309;
    --danger: #b42318;
    --shadow: 0 10px 28px rgba(21, 32, 51, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
    color: var(--ink);
    background: var(--bg);
}

body.public-body {
    min-height: 100vh;
}

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

button,
input {
    font: inherit;
}

.shell {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

.sidebar {
    padding: 24px;
    border-right: 1px solid var(--line);
    background: #fff;
}

.brand {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 24px;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
}

.brand-title {
    font-size: 1.1rem;
    font-weight: 700;
}

.brand-sub {
    color: var(--muted);
    font-size: 0.92rem;
}

.nav {
    display: grid;
    gap: 8px;
}

.nav a {
    padding: 11px 12px;
    border-radius: 8px;
    color: #344054;
    border: 1px solid transparent;
}

.nav a:hover {
    border-color: var(--line);
    background: #f8fafc;
}

.content {
    padding: 28px;
}

.public-shell {
    max-width: 900px;
    margin: 0 auto;
    padding: 28px 18px 44px;
}

.public-shell-wide {
    max-width: 1180px;
}

.public-hero,
.pickup-header,
.panel,
.stat-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.public-hero,
.pickup-header {
    padding: 24px;
    margin-bottom: 18px;
}

.pickup-header {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: flex-start;
}

.eyebrow {
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 700;
    margin: 0 0 8px;
}

h1,
h2 {
    margin: 0;
    font-weight: 700;
    letter-spacing: 0;
}

h1 {
    font-size: clamp(1.55rem, 4vw, 2.15rem);
    line-height: 1.25;
    word-break: break-word;
}

h2 {
    font-size: 1.05rem;
}

.lead {
    margin: 10px 0 0;
    color: var(--muted);
    line-height: 1.7;
}

.dot-separator {
    color: var(--line-strong);
    margin: 0 6px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}

.stat-card {
    padding: 18px;
}

.stat-card span {
    display: block;
    color: var(--muted);
    margin-bottom: 6px;
}

.stat-card strong {
    font-size: 1.8rem;
}

.panel-grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.panel-grid.single {
    grid-template-columns: 1fr;
}

.panel {
    padding: 20px;
}

.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.list,
.table,
.code-grid,
.public-steps {
    display: grid;
    gap: 10px;
}

.list-item,
.table-row,
.table-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 14px;
    align-items: center;
    padding: 13px 14px;
    border-radius: 8px;
}

.list-item,
.table-row {
    background: #fff;
    border: 1px solid var(--line);
}

a.list-item:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.list-item strong,
.table-row strong {
    display: block;
    word-break: break-word;
}

.list-item p,
.table-row p,
.public-steps p {
    margin: 4px 0 0;
    color: var(--muted);
    word-break: break-word;
}

.list-item span,
.table-row span {
    color: var(--muted);
    white-space: nowrap;
}

.table-head {
    color: var(--muted);
    padding: 0 6px;
}

.table-head,
.table-row {
    grid-template-columns: 180px 220px minmax(0, 1fr) 220px;
}

.table-row.static,
.static-card {
    cursor: default;
}

.detail-head {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: flex-start;
    margin-bottom: 18px;
}

.meta-stack,
.meta-list {
    display: grid;
    gap: 10px;
}

.meta-stack {
    justify-items: end;
}

.meta-stack span,
.meta-list span {
    color: var(--muted);
}

.meta-list div {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
}

.meta-list strong {
    text-align: right;
    word-break: break-word;
}

.message-body {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    font-family: Consolas, "SFMono-Regular", monospace;
    background: #f8fafc;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 16px;
    margin: 0;
    color: #1f2937;
    line-height: 1.65;
}

.message-html-shell {
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
}

.message-html-frame {
    display: block;
    width: 100%;
    min-height: 420px;
    border: 0;
    background: #fff;
}

.code-card {
    background: var(--blue-soft);
    border-radius: 8px;
    padding: 16px;
    border: 1px solid #c7d7fe;
}

.code-card strong {
    display: block;
    color: #1d4ed8;
    font-size: 1.55rem;
    letter-spacing: 0.08em;
}

.code-card p {
    margin: 8px 0 0;
    color: var(--muted);
}

code,
.badge {
    padding: 2px 7px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    word-break: break-word;
}

.search-form,
.token-form {
    display: flex;
    gap: 10px;
}

.search-form input,
.token-form input {
    width: 100%;
    min-width: 280px;
    padding: 11px 12px;
    border-radius: 8px;
    border: 1px solid var(--line-strong);
    background: #fff;
}

.search-form input:focus,
.token-form input:focus {
    outline: 2px solid rgba(15, 118, 110, 0.18);
    border-color: var(--accent);
}

.search-form button,
.token-form button,
.ghost-button {
    min-height: 40px;
    padding: 10px 14px;
    border-radius: 8px;
    cursor: pointer;
    white-space: nowrap;
}

.search-form button,
.token-form button {
    border: 1px solid var(--accent);
    background: var(--accent);
    color: #fff;
}

.search-form button:hover,
.token-form button:hover {
    background: var(--accent-strong);
}

.ghost-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line-strong);
    background: #fff;
    color: var(--ink);
}

.ghost-button:hover {
    border-color: var(--accent);
    color: var(--accent-strong);
}

.empty,
.error-card {
    padding: 16px;
    border-radius: 8px;
}

.empty {
    color: var(--muted);
    background: #f8fafc;
    border: 1px dashed var(--line-strong);
}

.error-card {
    margin-top: 14px;
    background: #fff1f0;
    color: var(--danger);
    border: 1px solid #fecdca;
}

.token-form-stacked {
    display: grid;
    gap: 12px;
    margin-top: 18px;
}

.tips-card {
    margin-top: 16px;
    padding: 16px;
    border-radius: 8px;
    background: #f8fafc;
    border: 1px solid var(--line);
}

.tips-card p {
    margin: 8px 0 0;
    color: var(--muted);
    overflow-wrap: anywhere;
}

.pickup-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.status-badge {
    padding: 5px 9px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: 0.9rem;
    white-space: nowrap;
}

.pickup-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 16px;
    margin-bottom: 16px;
}

.pickup-main-card {
    min-height: 250px;
}

.pickup-code-wrap {
    display: grid;
    place-items: center;
    text-align: center;
    padding: 10px 0 4px;
    min-height: 178px;
}

.pickup-code {
    font-size: clamp(2.7rem, 7vw, 4.8rem);
    letter-spacing: 0.08em;
    line-height: 1;
    color: var(--blue);
    word-break: break-word;
}

.pickup-meta {
    margin: 16px 0 0;
    color: var(--muted);
    line-height: 1.7;
    overflow-wrap: anywhere;
}

.text-link {
    margin-top: 10px;
    color: var(--blue);
    font-weight: 700;
}

.text-link:hover {
    text-decoration: underline;
}

.is-hidden {
    display: none !important;
}

@media (max-width: 980px) {
    .shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        border-right: none;
        border-bottom: 1px solid var(--line);
    }

    .stats,
    .panel-grid,
    .pickup-grid {
        grid-template-columns: 1fr;
    }

    .table-head,
    .table-row {
        grid-template-columns: 1fr;
    }

    .detail-head,
    .panel-head,
    .search-form,
    .token-form,
    .pickup-header {
        display: grid;
    }

    .meta-stack {
        justify-items: start;
    }

    .search-form input,
    .token-form input {
        min-width: 0;
    }

    .pickup-actions {
        justify-content: flex-start;
    }
}

@media (max-width: 560px) {
    .public-shell {
        padding: 16px 12px 32px;
    }

    .public-hero,
    .pickup-header,
    .panel {
        padding: 16px;
    }

    .list-item {
        grid-template-columns: 1fr;
    }

    .list-item span {
        white-space: normal;
    }

    .pickup-code {
        font-size: 2.6rem;
    }
}

/* Customer pickup page */
.pickup-page {
    --sky-ink: #071a46;
    --sky-muted: #5f74a8;
    --sky-blue: #2f76ff;
    --sky-blue-strong: #1f5ee8;
    --sky-line: rgba(132, 164, 230, 0.25);
    --sky-card: rgba(255, 255, 255, 0.88);
    --sky-shadow: 0 24px 70px rgba(47, 118, 255, 0.18);
    font-size: 15px;
    color: var(--sky-ink);
    background:
        radial-gradient(circle at 8% 90%, rgba(255, 255, 255, 0.95) 0 8%, transparent 9%),
        radial-gradient(circle at 15% 96%, rgba(198, 221, 255, 0.75) 0 10%, transparent 11%),
        radial-gradient(circle at 88% 91%, rgba(255, 255, 255, 0.96) 0 9%, transparent 10%),
        radial-gradient(circle at 94% 98%, rgba(205, 225, 255, 0.7) 0 11%, transparent 12%),
        linear-gradient(180deg, #edf5ff 0%, #f8fbff 46%, #eef5ff 100%);
}

.pickup-page::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        radial-gradient(circle, rgba(47, 118, 255, 0.2) 1px, transparent 1px),
        radial-gradient(circle, rgba(255, 255, 255, 0.9) 1px, transparent 1px);
    background-size: 92px 92px, 138px 138px;
    background-position: 12px 28px, 60px 80px;
    opacity: 0.75;
}

.pickup-page svg {
    display: block;
    width: 1em;
    height: 1em;
}

.sky-topbar {
    position: relative;
    z-index: 1;
    min-height: 92px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px clamp(18px, 4vw, 58px);
    overflow: hidden;
    background:
        radial-gradient(circle at 17% 92%, rgba(255, 255, 255, 0.92) 0 7%, transparent 8%),
        radial-gradient(circle at 77% 102%, rgba(255, 255, 255, 0.92) 0 8%, transparent 9%),
        linear-gradient(100deg, #f1f7ff 0%, #cce0ff 42%, #9fc4ff 100%);
    box-shadow: 0 18px 45px rgba(86, 131, 215, 0.16);
}

.sky-topbar::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(115deg, transparent 0 42%, rgba(255,255,255,.75) 42.4% 42.7%, transparent 43.1%),
        linear-gradient(150deg, transparent 0 57%, rgba(255,255,255,.65) 57.3% 57.6%, transparent 58%);
    opacity: 0.8;
}

.sky-brand,
.sky-top-actions {
    position: relative;
    z-index: 2;
}

.sky-brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-weight: 900;
    letter-spacing: -0.04em;
}

.sky-brand strong {
    font-size: clamp(1.25rem, 1.7vw, 1.72rem);
}

.sky-brand-plane {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    color: #3b82f6;
    filter: drop-shadow(0 12px 18px rgba(37, 99, 235, 0.22));
}

.sky-top-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.sky-icon-pill,
.sky-lang,
.sky-login {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.78);
    background: rgba(255, 255, 255, 0.76);
    box-shadow: 0 10px 26px rgba(47, 118, 255, 0.12);
    backdrop-filter: blur(16px);
}

.sky-icon-pill {
    width: 46px;
    border-radius: 50%;
    color: #08245b;
    font-size: 1.12rem;
}

.sky-lang {
    gap: 9px;
    padding: 0 22px;
    border-radius: 14px;
    color: #102a64;
    font-weight: 800;
}

.sky-lang svg {
    width: 16px;
    height: 16px;
}

.sky-login {
    border: 0;
    border-radius: 14px;
    padding: 0 22px;
    color: #fff;
    font-weight: 900;
    cursor: pointer;
    background: linear-gradient(135deg, #4f86ff, #2459e8);
}

.sky-cloud {
    position: absolute;
    z-index: 1;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.82);
    box-shadow:
        34px 0 0 rgba(255,255,255,.72),
        68px -6px 0 rgba(255,255,255,.58),
        104px 4px 0 rgba(255,255,255,.76);
}

.sky-cloud-a { width: 90px; height: 28px; left: 150px; bottom: 4px; }
.sky-cloud-b { width: 120px; height: 32px; right: 245px; bottom: -3px; }
.sky-cloud-c { width: 70px; height: 24px; right: 46px; top: 12px; opacity: .72; }

.sky-paper-plane {
    position: absolute;
    z-index: 2;
    pointer-events: none;
}

.sky-paper-plane {
    color: rgba(62, 125, 255, 0.84);
    filter: drop-shadow(0 14px 18px rgba(47, 118, 255, 0.18));
}

.sky-paper-plane svg {
    width: 100%;
    height: 100%;
}

.top-plane {
    left: 41%;
    top: 18px;
    width: 112px;
    height: 78px;
    transform: rotate(-7deg);
}

.sky-shell {
    position: relative;
    z-index: 1;
    width: min(1808px, calc(100% - 112px));
    margin: 0 auto;
    padding: 26px 0 34px;
}

.sky-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(560px, 0.5fr);
    gap: 24px;
}

.sky-main-column,
.sky-side-column {
    display: grid;
    gap: 18px;
    align-content: start;
}

.sky-address-card,
.sky-code-card,
.sky-list-card,
.sky-side-card {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 22px;
    background: var(--sky-card);
    box-shadow: var(--sky-shadow);
    backdrop-filter: blur(22px);
}

.sky-address-card {
    min-height: 188px;
    display: grid;
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: center;
    gap: 24px;
    padding: 32px;
    background:
        radial-gradient(circle at 97% 20%, rgba(255,255,255,.96) 0 10%, transparent 11%),
        radial-gradient(circle at 8% 105%, rgba(226, 238, 255, 0.9) 0 18%, transparent 19%),
        linear-gradient(120deg, rgba(255,255,255,.96), rgba(230,240,255,.9) 64%, rgba(201,220,255,.88));
}

.address-plane {
    right: 68px;
    top: 56px;
    width: 116px;
    height: 78px;
    transform: rotate(-13deg);
    opacity: 0.72;
}

.sky-address-card::after,
.sky-code-card::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 75% 22%, rgba(255,255,255,.9) 0 1px, transparent 2px),
        radial-gradient(circle at 89% 34%, rgba(255,255,255,.95) 0 1px, transparent 2px),
        linear-gradient(145deg, transparent 0 68%, rgba(255,255,255,.52) 68.3% 68.6%, transparent 69%);
}

.mail-orb {
    width: 106px;
    height: 106px;
    display: grid;
    place-items: center;
    border-radius: 30px;
    color: #3f7dff;
    background: linear-gradient(145deg, #f4f8ff, #b9d1ff);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.9),
        0 20px 38px rgba(47, 118, 255, .24);
}

.mail-orb svg {
    width: 64px;
    height: 64px;
    filter: drop-shadow(0 12px 18px rgba(47, 118, 255, .28));
}

.sky-address-copy {
    position: relative;
    z-index: 1;
    min-width: 0;
}

.sky-title-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sky-title-row h1 {
    color: var(--sky-ink);
    font-size: clamp(1.85rem, 2.45vw, 2.62rem);
    font-weight: 950;
    letter-spacing: -0.055em;
    line-height: 1.05;
    overflow-wrap: anywhere;
}

.icon-copy-btn {
    flex: 0 0 auto;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 12px;
    color: var(--sky-blue);
    cursor: pointer;
    background: rgba(47, 118, 255, 0.1);
}

.icon-copy-btn svg {
    width: 24px;
    height: 24px;
}

.sky-address-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 18px;
    margin: 24px 0 0;
    color: var(--sky-muted);
    font-weight: 700;
}

.route-pill {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 16px;
    border-radius: 999px;
    color: var(--sky-blue);
    background: rgba(47, 118, 255, 0.1);
}

.sky-code-card {
    min-height: 380px;
    padding: 34px 46px 26px;
    color: #fff;
    background:
        radial-gradient(circle at 93% 88%, rgba(255,255,255,.88) 0 6%, transparent 7%),
        radial-gradient(circle at 2% 100%, rgba(255,255,255,.92) 0 11%, transparent 12%),
        radial-gradient(circle at 88% 104%, rgba(223,237,255,.78) 0 10%, transparent 11%),
        linear-gradient(135deg, #3479ff 0%, #6d9bff 48%, #9bbdff 100%);
}

.code-plane-left {
    left: 62px;
    top: 132px;
    width: 56px;
    height: 40px;
    color: rgba(255, 255, 255, 0.85);
    transform: rotate(-16deg);
}

.code-plane-right {
    right: 218px;
    top: 126px;
    width: 78px;
    height: 54px;
    color: rgba(255, 255, 255, 0.72);
    transform: rotate(-18deg);
}

.sky-code-card::before {
    content: "";
    position: absolute;
    right: 46px;
    bottom: 34px;
    width: 160px;
    height: 160px;
    border: 3px solid rgba(255,255,255,.46);
    border-left-color: transparent;
    border-radius: 50%;
    transform: rotate(-28deg);
}

.sky-card-head,
.sky-section-head {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.sky-card-head h2,
.sky-section-head h2 {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin: 0;
    font-size: 1.18rem;
    font-weight: 950;
    color: inherit;
}

.sky-card-head h2 svg,
.sky-section-head h2 svg {
    width: 25px;
    height: 25px;
    color: var(--sky-blue);
}

.sky-card-head h2 svg {
    color: #fff;
}

.refresh-pill {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 999px;
    color: #fff;
    background: rgba(255, 255, 255, 0.2);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.35);
    backdrop-filter: blur(10px);
    white-space: nowrap;
}

.sky-code-stage {
    position: relative;
    z-index: 1;
    display: grid;
    justify-items: center;
    padding-top: 44px;
}

.sky-code {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: clamp(9px, 1.3vw, 16px);
    width: 100%;
}

.sky-code span {
    width: clamp(68px, 6.4vw, 104px);
    height: clamp(82px, 7.8vw, 124px);
    display: grid;
    place-items: center;
    border: 1px solid rgba(255,255,255,.24);
    border-radius: 14px;
    color: #fff;
    font-size: clamp(4.2rem, 6.7vw, 6.45rem);
    font-weight: 950;
    line-height: 1;
    letter-spacing: -0.06em;
    text-shadow: 0 12px 22px rgba(18, 62, 169, .34);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.32);
}

.sky-code em {
    display: grid;
    place-items: center;
    min-height: 120px;
    font-style: normal;
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 950;
}

.sky-code-time {
    margin: 12px 0 22px;
    color: rgba(255,255,255,.9);
    font-size: clamp(1rem, 1.2vw, 1.22rem);
    font-weight: 800;
}

.sky-button-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 220px));
    gap: 30px;
    width: min(780px, 100%);
}

.sky-action {
    min-height: 58px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: 0;
    border-radius: 12px;
    color: var(--sky-blue);
    background: rgba(255,255,255,.94);
    box-shadow: 0 16px 32px rgba(28, 75, 178, 0.18);
    font-weight: 950;
    cursor: pointer;
}

.sky-action.primary {
    color: #fff;
    background: linear-gradient(135deg, #3f86ff, #2664f2);
}

.sky-action svg {
    width: 24px;
    height: 24px;
}

.sky-list-card,
.sky-side-card {
    padding: 24px 30px;
}

.sky-side-column .sky-side-card:first-child {
    min-height: 590px;
}

.sky-section-head {
    color: var(--sky-ink);
    margin-bottom: 20px;
}

.sky-section-head > span {
    color: var(--sky-blue);
    font-weight: 850;
    white-space: nowrap;
}

.sky-message-list {
    display: grid;
}

.sky-message-row {
    display: grid;
    grid-template-columns: 16px 42px minmax(0, 1fr) auto 18px;
    align-items: center;
    gap: 16px;
    min-height: 70px;
    padding: 10px 4px;
    border-top: 1px solid var(--sky-line);
}

.sky-message-row:first-child {
    border-top: 0;
}

.sky-message-row:hover {
    color: var(--sky-blue);
}

.row-dot,
.timeline-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--sky-blue);
    box-shadow: 0 0 0 6px rgba(47, 118, 255, .1);
}

.row-mail-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    color: var(--sky-blue);
    background: rgba(47, 118, 255, 0.08);
}

.row-mail-icon svg {
    width: 25px;
    height: 25px;
}

.row-copy {
    min-width: 0;
}

.row-copy strong,
.sky-code-row strong {
    display: block;
    color: var(--sky-ink);
    font-size: 0.98rem;
    font-weight: 950;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.row-copy small,
.sky-code-row small {
    display: block;
    margin-top: 5px;
    color: var(--sky-muted);
    font-size: 0.88rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.row-time,
.sky-code-row > span:last-child {
    color: #526da8;
    text-align: right;
    line-height: 1.35;
    white-space: nowrap;
}

.row-arrow {
    color: #5d78b6;
    font-size: 2rem;
    line-height: 1;
}

.sky-code-list {
    position: relative;
    display: grid;
    padding-left: 12px;
}

.sky-code-list::before {
    content: "";
    position: absolute;
    top: 10px;
    bottom: 14px;
    left: 16px;
    width: 2px;
    background: linear-gradient(180deg, rgba(47,118,255,.08), rgba(47,118,255,.35), rgba(47,118,255,.08));
}

.sky-code-row {
    position: relative;
    display: grid;
    grid-template-columns: 14px minmax(0, 1fr) auto;
    gap: 18px;
    align-items: center;
    min-height: 82px;
    padding: 14px 0 14px 0;
    border-top: 1px solid var(--sky-line);
}

.sky-code-row:first-child {
    border-top: 0;
}

.sky-code-row .timeline-dot {
    position: relative;
    z-index: 1;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.service-grid > div {
    min-height: 116px;
    display: grid;
    justify-items: center;
    align-content: center;
    gap: 8px;
    border: 1px solid var(--sky-line);
    border-radius: 14px;
    background: rgba(255,255,255,.78);
    text-align: center;
}

.service-grid svg {
    width: 32px;
    height: 32px;
    color: var(--sky-blue);
}

.service-grid strong {
    color: var(--sky-ink);
    font-weight: 950;
}

.service-grid span {
    color: var(--sky-muted);
}

.service-grid .green {
    color: #16a34a;
    font-weight: 900;
}

.service-note {
    margin: 20px 0 0;
    padding: 14px 18px;
    border-radius: 12px;
    color: #6680bd;
    font-weight: 800;
    background: rgba(47, 118, 255, 0.09);
}

.status-card {
    overflow: hidden;
}

.sky-mascot {
    position: absolute;
    right: 18px;
    bottom: 8px;
    z-index: 1;
    width: 76px;
    height: auto;
    opacity: 0.92;
    border-radius: 16px;
    mix-blend-mode: multiply;
    filter: drop-shadow(0 14px 20px rgba(19, 50, 112, 0.16));
    pointer-events: none;
    user-select: none;
}

.status-card .sky-section-head,
.status-card .service-grid,
.status-card .service-note {
    position: relative;
    z-index: 2;
}

.sky-empty {
    padding: 22px;
    border: 1px dashed rgba(91, 123, 190, .36);
    border-radius: 14px;
    color: var(--sky-muted);
    background: rgba(255,255,255,.64);
}

@media (max-width: 1180px) {
    .sky-shell {
        width: min(100% - 32px, 900px);
        padding-top: 20px;
    }

    .sky-layout {
        grid-template-columns: 1fr;
    }

    .sky-side-column {
        grid-template-columns: 1fr;
    }

    .top-plane,
    .address-plane,
    .code-plane-left,
    .code-plane-right {
        display: none;
    }
}

@media (min-width: 1181px) {
    .pickup-page {
        font-size: 13.5px;
    }

    .sky-topbar {
        min-height: 76px;
        padding-top: 16px;
        padding-bottom: 16px;
    }

    .sky-brand {
        gap: 10px;
    }

    .sky-brand strong {
        font-size: 1.48rem;
    }

    .sky-brand-plane {
        width: 34px;
        height: 34px;
    }

    .sky-icon-pill,
    .sky-lang,
    .sky-login {
        min-height: 38px;
        border-radius: 12px;
    }

    .sky-icon-pill {
        width: 38px;
        font-size: 1rem;
    }

    .sky-lang,
    .sky-login {
        padding-left: 18px;
        padding-right: 18px;
    }

    .top-plane {
        width: 86px;
        height: 60px;
        top: 12px;
    }

    .sky-shell {
        width: min(1610px, calc(100% - 104px));
        padding-top: 22px;
    }

    .sky-layout {
        grid-template-columns: minmax(0, 1fr) minmax(500px, 0.5fr);
        gap: 20px;
    }

    .sky-main-column,
    .sky-side-column {
        gap: 16px;
    }

    .sky-address-card,
    .sky-code-card,
    .sky-list-card,
    .sky-side-card {
        border-radius: 18px;
    }

    .sky-address-card {
        min-height: 156px;
        grid-template-columns: 104px minmax(0, 1fr);
        gap: 20px;
        padding: 26px;
    }

    .mail-orb {
        width: 84px;
        height: 84px;
        border-radius: 22px;
    }

    .mail-orb svg {
        width: 52px;
        height: 52px;
    }

    .sky-title-row h1 {
        font-size: clamp(1.7rem, 2.2vw, 2.25rem);
    }

    .icon-copy-btn {
        width: 32px;
        height: 32px;
        border-radius: 10px;
    }

    .icon-copy-btn svg {
        width: 20px;
        height: 20px;
    }

    .sky-address-meta {
        margin-top: 18px;
        gap: 8px 16px;
    }

    .route-pill {
        min-height: 28px;
        padding: 0 14px;
    }

    .address-plane {
        width: 92px;
        height: 62px;
        right: 58px;
        top: 46px;
    }

    .sky-code-card {
        min-height: 330px;
        padding: 28px 40px 22px;
    }

    .sky-code-card::before {
        width: 132px;
        height: 132px;
        right: 40px;
        bottom: 28px;
    }

    .code-plane-left {
        width: 44px;
        height: 32px;
        left: 54px;
        top: 116px;
    }

    .code-plane-right {
        width: 62px;
        height: 44px;
        right: 190px;
        top: 112px;
    }

    .sky-card-head h2,
    .sky-section-head h2 {
        font-size: 1.02rem;
        gap: 10px;
    }

    .sky-card-head h2 svg,
    .sky-section-head h2 svg {
        width: 21px;
        height: 21px;
    }

    .refresh-pill {
        min-height: 36px;
        padding: 0 14px;
    }

    .sky-code-stage {
        padding-top: 36px;
    }

    .sky-code {
        gap: 12px;
    }

    .sky-code span {
        width: clamp(62px, 5.45vw, 88px);
        height: clamp(74px, 6.5vw, 104px);
        font-size: clamp(3.7rem, 5.6vw, 5.35rem);
        border-radius: 12px;
    }

    .sky-code-time {
        margin: 10px 0 18px;
        font-size: 1.05rem;
    }

    .sky-button-row {
        grid-template-columns: repeat(3, minmax(0, 190px));
        gap: 26px;
        width: min(650px, 100%);
    }

    .sky-action {
        min-height: 50px;
        border-radius: 10px;
    }

    .sky-action svg {
        width: 20px;
        height: 20px;
    }

    .sky-list-card,
    .sky-side-card {
        padding: 20px 26px;
    }

    .sky-side-column .sky-side-card:first-child {
        min-height: 510px;
    }

    .sky-section-head {
        margin-bottom: 16px;
    }

    .sky-message-row {
        min-height: 60px;
        grid-template-columns: 14px 36px minmax(0, 1fr) auto 16px;
        gap: 13px;
        padding: 8px 2px;
    }

    .row-mail-icon {
        width: 36px;
        height: 36px;
        border-radius: 10px;
    }

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

    .row-dot,
    .timeline-dot {
        width: 8px;
        height: 8px;
        box-shadow: 0 0 0 5px rgba(47, 118, 255, .1);
    }

    .row-copy strong,
    .sky-code-row strong {
        font-size: 0.9rem;
    }

    .row-copy small,
    .sky-code-row small {
        font-size: 0.82rem;
    }

    .row-arrow {
        font-size: 1.7rem;
    }

    .sky-code-row {
        min-height: 70px;
        gap: 15px;
        padding: 11px 0;
    }

    .service-grid {
        gap: 14px;
    }

    .service-grid > div {
        min-height: 96px;
        border-radius: 12px;
        gap: 6px;
    }

    .service-grid svg {
        width: 27px;
        height: 27px;
    }

    .service-note {
        margin-top: 16px;
        margin-right: 88px;
        padding: 12px 16px;
        border-radius: 10px;
    }

    .sky-mascot {
        width: 76px;
        right: 18px;
        bottom: 8px;
    }
}

@media (max-width: 760px) {
    .sky-topbar {
        min-height: auto;
        align-items: flex-start;
    }

    .sky-top-actions {
        gap: 8px;
    }

    .sky-icon-pill,
    .sky-lang {
        display: none;
    }

    .sky-address-card {
        grid-template-columns: 1fr;
        padding: 24px;
    }

    .mail-orb {
        width: 88px;
        height: 88px;
        border-radius: 24px;
    }

    .sky-code-card {
        padding: 24px 18px;
    }

    .sky-card-head,
    .sky-section-head {
        align-items: flex-start;
    }

    .sky-button-row,
    .service-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .sky-mascot {
        display: none;
    }

    .service-note {
        margin-right: 0;
    }

    .sky-message-row,
    .sky-code-row {
        grid-template-columns: 12px minmax(0, 1fr);
    }

    .row-mail-icon,
    .row-time,
    .row-arrow,
    .sky-code-row > span:last-child {
        display: none;
    }

    .sky-code span {
        width: clamp(38px, 10.8vw, 52px);
        height: clamp(54px, 13.8vw, 68px);
        font-size: clamp(2.7rem, 10.8vw, 3.8rem);
    }

    .sky-code {
        gap: 6px;
    }
}

/* Premium magic-tech pickup theme */
.magic-page {
    --magic-bg: #090b1f;
    --magic-panel: rgba(18, 22, 48, 0.78);
    --magic-panel-strong: rgba(12, 16, 38, 0.92);
    --magic-line: rgba(244, 196, 116, 0.18);
    --magic-line-blue: rgba(120, 150, 255, 0.22);
    --magic-gold: #f3c56d;
    --magic-gold-soft: #ffe7ad;
    --magic-blue: #7aa2ff;
    --magic-text: #f4f1ff;
    --magic-muted: #aab0d6;
    color: var(--magic-text);
    background:
        radial-gradient(circle at 20% 10%, rgba(113, 82, 255, 0.28), transparent 28%),
        radial-gradient(circle at 76% 0%, rgba(244, 196, 116, 0.16), transparent 24%),
        radial-gradient(circle at 82% 72%, rgba(65, 109, 255, 0.2), transparent 30%),
        linear-gradient(135deg, #16113a 0%, #090b1f 46%, #071225 100%);
}

.magic-page::before {
    background-image:
        radial-gradient(circle, rgba(243, 197, 109, 0.18) 1px, transparent 1px),
        linear-gradient(120deg, transparent 0 48%, rgba(122, 162, 255, 0.09) 48.2% 48.4%, transparent 48.8%);
    background-size: 96px 96px, 260px 260px;
    opacity: 0.8;
}

.magic-page .sky-topbar {
    min-height: 74px;
    padding: 16px clamp(28px, 5vw, 72px);
    background:
        linear-gradient(180deg, rgba(18, 22, 48, 0.9), rgba(18, 22, 48, 0.56)),
        radial-gradient(circle at 55% 0%, rgba(243, 197, 109, 0.13), transparent 24%);
    border-bottom: 1px solid var(--magic-line);
    box-shadow: 0 18px 70px rgba(0, 0, 0, 0.26);
}

.magic-page .sky-topbar::after {
    background:
        linear-gradient(110deg, transparent 0 40%, rgba(243,197,109,.14) 40.2% 40.35%, transparent 40.7%),
        radial-gradient(circle at 50% 40%, rgba(255,255,255,.1), transparent 20%);
    opacity: 1;
}

.magic-page .sky-cloud {
    display: none;
}

.magic-page .sky-brand-plane {
    color: var(--magic-gold);
    filter: drop-shadow(0 0 16px rgba(243, 197, 109, 0.35));
}

.magic-page .sky-brand strong {
    color: var(--magic-gold);
    letter-spacing: 0.02em;
    text-shadow: 0 0 20px rgba(243, 197, 109, 0.18);
}

.magic-page .sky-icon-pill,
.magic-page .sky-lang {
    color: var(--magic-gold-soft);
    border-color: var(--magic-line);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 12px 30px rgba(0,0,0,.18);
}

.magic-page .sky-login {
    color: #17122d;
    background: linear-gradient(135deg, #ffe5a4, #d89d43);
    box-shadow: 0 14px 32px rgba(216, 157, 67, 0.25);
}

.magic-page .top-plane,
.magic-page .address-plane,
.magic-page .code-plane-left,
.magic-page .code-plane-right {
    color: rgba(243, 197, 109, 0.72);
    filter: drop-shadow(0 0 18px rgba(243, 197, 109, 0.28));
}

.magic-page .sky-shell {
    width: min(1180px, calc(100% - 48px));
    padding-top: 28px;
}

.magic-page .sky-layout {
    grid-template-columns: minmax(0, 1.85fr) minmax(320px, 0.9fr);
    gap: 18px;
}

.magic-page .sky-main-column,
.magic-page .sky-side-column {
    gap: 18px;
}

.magic-page .sky-address-card,
.magic-page .sky-code-card,
.magic-page .sky-list-card,
.magic-page .sky-side-card {
    border: 1px solid var(--magic-line);
    border-radius: 24px;
    background:
        linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.025)),
        var(--magic-panel);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.08),
        0 24px 70px rgba(0,0,0,.28);
    backdrop-filter: blur(18px);
}

.magic-page .sky-address-card {
    min-height: 142px;
    grid-template-columns: 86px minmax(0, 1fr);
    padding: 24px 28px;
    background:
        radial-gradient(circle at 88% 34%, rgba(122, 162, 255, 0.18), transparent 26%),
        linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.025)),
        var(--magic-panel);
}

.magic-page .mail-orb {
    width: 70px;
    height: 70px;
    border-radius: 22px;
    color: var(--magic-gold);
    background:
        radial-gradient(circle at 30% 20%, rgba(255,255,255,.22), transparent 28%),
        linear-gradient(145deg, rgba(243,197,109,.16), rgba(122,162,255,.14));
    box-shadow: inset 0 1px 0 rgba(255,255,255,.14), 0 0 28px rgba(243,197,109,.12);
}

.magic-page .mail-orb svg {
    width: 40px;
    height: 40px;
}

.magic-page .sky-title-row h1 {
    color: var(--magic-text);
    font-size: clamp(1.55rem, 2.2vw, 2.05rem);
    letter-spacing: -0.035em;
}

.magic-page .icon-copy-btn,
.magic-page .route-pill {
    color: var(--magic-gold);
    background: rgba(243, 197, 109, 0.12);
}

.magic-page .sky-address-meta {
    margin-top: 14px;
    color: var(--magic-muted);
}

.magic-page .sky-code-card {
    min-height: 355px;
    padding: 28px;
    background:
        radial-gradient(circle at 50% 52%, rgba(122, 162, 255, 0.28), transparent 35%),
        radial-gradient(circle at 75% 18%, rgba(243, 197, 109, 0.18), transparent 22%),
        linear-gradient(145deg, rgba(29, 34, 77, 0.96), rgba(11, 15, 37, 0.96));
}

.magic-page .sky-code-card::before {
    right: 46px;
    bottom: 36px;
    width: 190px;
    height: 190px;
    border: 1px solid rgba(243, 197, 109, 0.24);
    border-left-color: rgba(122, 162, 255, 0.34);
    box-shadow: 0 0 50px rgba(122, 162, 255, 0.1);
}

.magic-page .sky-code-card::after {
    background:
        radial-gradient(circle at 20% 30%, rgba(243,197,109,.5) 0 1px, transparent 2px),
        radial-gradient(circle at 70% 20%, rgba(122,162,255,.55) 0 1px, transparent 2px),
        radial-gradient(circle at 83% 58%, rgba(255,255,255,.45) 0 1px, transparent 2px),
        linear-gradient(135deg, transparent 0 42%, rgba(243,197,109,.09) 42.2% 42.4%, transparent 42.8%);
}

.magic-page .sky-card-head h2,
.magic-page .sky-section-head h2 {
    color: var(--magic-gold-soft);
    font-size: 1.05rem;
}

.magic-page .sky-card-head h2 svg,
.magic-page .sky-section-head h2 svg {
    color: var(--magic-gold);
}

.magic-page .refresh-pill {
    color: var(--magic-gold-soft);
    background: rgba(243, 197, 109, 0.1);
    border: 1px solid var(--magic-line);
}

.magic-page .sky-code-stage {
    padding-top: 32px;
}

.magic-page .sky-code {
    position: relative;
    width: min(560px, 100%);
    gap: 6px;
    padding: 22px 24px;
    border: 1px solid rgba(243, 197, 109, 0.28);
    border-radius: 22px;
    background:
        linear-gradient(135deg, rgba(122, 162, 255, 0.18), rgba(243, 197, 109, 0.08)),
        rgba(4, 8, 28, 0.68);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.08),
        0 0 46px rgba(122, 162, 255, 0.16);
}

.magic-page .sky-code span {
    width: auto;
    height: auto;
    min-width: 58px;
    border: 0;
    border-radius: 0;
    color: var(--magic-gold);
    font-size: clamp(3.6rem, 5.3vw, 4.8rem);
    letter-spacing: 0.08em;
    text-shadow:
        0 0 22px rgba(243, 197, 109, 0.42),
        0 10px 22px rgba(0,0,0,.36);
    background: transparent;
    box-shadow: none;
}

.magic-page .sky-code-time {
    color: var(--magic-muted);
    font-size: 0.95rem;
}

.magic-page .sky-button-row {
    grid-template-columns: repeat(3, minmax(0, 150px));
    gap: 12px;
    width: min(500px, 100%);
}

.magic-page .sky-action {
    min-height: 46px;
    border: 1px solid rgba(243, 197, 109, 0.14);
    color: var(--magic-text);
    background: rgba(255,255,255,.07);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.07);
}

.magic-page .sky-action.primary {
    color: #151027;
    background: linear-gradient(135deg, #ffe4a0, #d99b3f);
    border-color: transparent;
}

.magic-page .sky-action:hover {
    border-color: rgba(243, 197, 109, 0.38);
    color: var(--magic-gold-soft);
}

.magic-page .sky-list-card,
.magic-page .sky-side-card {
    padding: 22px 24px;
}

.magic-page .sky-section-head {
    color: var(--magic-text);
    border-bottom: 1px solid rgba(243, 197, 109, 0.12);
    padding-bottom: 12px;
}

.magic-page .sky-section-head > span {
    color: var(--magic-gold);
}

.magic-page .sky-message-row,
.magic-page .sky-code-row {
    border-color: rgba(243, 197, 109, 0.1);
}

.magic-page .row-copy strong,
.magic-page .sky-code-row strong {
    color: var(--magic-text);
}

.magic-page .row-copy small,
.magic-page .sky-code-row small,
.magic-page .row-time,
.magic-page .sky-code-row > span:last-child {
    color: var(--magic-muted);
}

.magic-page .row-mail-icon {
    color: var(--magic-gold);
    background: rgba(243, 197, 109, 0.1);
}

.magic-page .row-dot,
.magic-page .timeline-dot {
    background: var(--magic-gold);
    box-shadow: 0 0 0 5px rgba(243, 197, 109, .1), 0 0 18px rgba(243, 197, 109, .42);
}

.magic-page .sky-code-list::before {
    background: linear-gradient(180deg, transparent, rgba(243, 197, 109, 0.34), transparent);
}

.magic-page .service-grid {
    grid-template-columns: 1fr;
    gap: 10px;
}

.magic-page .service-grid > div {
    min-height: 52px;
    grid-template-columns: 28px minmax(0, 1fr) auto;
    justify-items: start;
    align-content: center;
    text-align: left;
    border-color: rgba(243, 197, 109, 0.12);
    background: rgba(255,255,255,.055);
}

.magic-page .service-grid svg {
    width: 22px;
    height: 22px;
    color: var(--magic-gold);
}

.magic-page .service-grid strong {
    color: var(--magic-text);
}

.magic-page .service-grid span {
    color: var(--magic-muted);
}

.magic-page .service-grid .green {
    color: #7ee0a3;
}

.magic-page .service-note {
    color: var(--magic-gold-soft);
    background: rgba(243, 197, 109, 0.09);
    border: 1px solid rgba(243, 197, 109, 0.08);
}

.magic-page .sky-mascot {
    display: none;
}

@media (max-width: 1180px) {
    .magic-page .sky-shell {
        width: min(100% - 32px, 900px);
    }

    .magic-page .sky-layout {
        grid-template-columns: 1fr;
    }

    .magic-page .service-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .magic-page .service-grid > div {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
        min-height: 94px;
    }
}

@media (max-width: 760px) {
    .magic-page .sky-shell {
        width: min(100% - 24px, 900px);
        padding-top: 16px;
    }

    .magic-page .sky-address-card {
        grid-template-columns: 1fr;
        padding: 20px;
    }

    .magic-page .sky-title-row h1 {
        font-size: clamp(1.55rem, 8vw, 2.2rem);
    }

    .magic-page .sky-code-card {
        min-height: auto;
        padding: 22px 16px;
    }

    .magic-page .sky-code {
        padding: 18px 10px;
        gap: 4px;
    }

    .magic-page .sky-code span {
        min-width: 0;
        font-size: clamp(2.6rem, 11vw, 3.8rem);
        letter-spacing: 0.02em;
    }

    .magic-page .sky-button-row,
    .magic-page .service-grid {
        grid-template-columns: 1fr;
    }
}

/* Literary letter-style pickup page */
.letter-page {
    --letter-paper: #f9f8f4;
    --letter-ink: #262622;
    --letter-soft: #6d6a62;
    --letter-faint: #9b978d;
    --letter-line: #ded9cf;
    --letter-line-soft: #ebe7de;
    --letter-accent: #8f4f3f;
    min-height: 100vh;
    padding: 46px 28px 70px;
    color: var(--letter-ink);
    background:
        radial-gradient(circle at 15% 5%, rgba(143, 79, 63, 0.055), transparent 26%),
        linear-gradient(90deg, rgba(0,0,0,.018) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255,255,255,.45), transparent 32%),
        var(--letter-paper);
    background-size: auto, 46px 46px, auto, auto;
    font-family: "Times New Roman", "Noto Serif SC", "Songti SC", SimSun, serif;
}

.letter-page::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.34;
    background-image:
        radial-gradient(rgba(38,38,34,.18) .45px, transparent .55px),
        radial-gradient(rgba(143,79,63,.16) .35px, transparent .55px);
    background-size: 4px 4px, 7px 7px;
    mix-blend-mode: multiply;
}

.letter-page button,
.letter-page a {
    font: inherit;
}

.letter-page button {
    color: inherit;
}

.letter-header,
.letter-hero,
.letter-grid {
    position: relative;
    z-index: 1;
    width: min(980px, 100%);
    margin-left: auto;
    margin-right: auto;
}

.letter-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--letter-line);
}

.letter-brand-block {
    position: relative;
    display: grid;
    justify-items: start;
    min-width: 0;
    width: clamp(320px, 40vw, 500px);
    margin: -6px 0 -4px;
}

.letter-quote-image {
    display: block;
    width: 100%;
    height: auto;
    opacity: 0.92;
    filter: saturate(0.74) contrast(0.96);
}

.letter-signature-image {
    display: block;
    justify-self: end;
    width: clamp(92px, 9vw, 124px);
    height: auto;
    margin-top: -8px;
    margin-right: 6%;
    opacity: 0.72;
    filter: saturate(0.62) contrast(0.92);
}

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

.letter-kicker,
.letter-volume,
.letter-address-block > span,
.letter-actions,
.letter-section-title h2,
.letter-row b,
.letter-code-row small,
.letter-service span,
.letter-toast {
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.22em;
}

.letter-kicker {
    margin: 0;
    color: var(--letter-soft);
    font-size: 0.72rem;
}

.letter-header h1 {
    margin: 10px 0 0;
    font-size: clamp(1.25rem, 2vw, 1.7rem);
    font-weight: 400;
    letter-spacing: 0.16em;
}

.letter-volume {
    margin: 8px 0 0;
    color: var(--letter-faint);
    font-size: 0.66rem;
    font-style: italic;
    letter-spacing: 0.16em;
}

.letter-address-block {
    display: grid;
    justify-items: end;
    gap: 7px;
    text-align: right;
}

.letter-address-block > span {
    color: var(--letter-faint);
    font-size: 0.62rem;
}

.letter-address {
    padding: 0 0 3px;
    border: 0;
    border-bottom: 1px solid rgba(38, 38, 34, 0.38);
    background: transparent;
    color: var(--letter-ink);
    cursor: pointer;
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    font-size: 0.88rem;
}

.letter-address:hover {
    border-color: var(--letter-ink);
}

.letter-top-copy {
    margin-top: 2px;
    padding: 0;
    border: 0;
    border-bottom: 1px solid transparent;
    background: transparent;
    color: var(--letter-accent);
    cursor: pointer;
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    font-size: 0.78rem;
}

.letter-top-copy:hover {
    border-color: var(--letter-accent);
}

.letter-hero {
    min-height: 440px;
    display: grid;
    justify-items: center;
    align-content: center;
    padding: 74px 0 64px;
    text-align: center;
}

.letter-status {
    margin: 0 0 28px;
    color: var(--letter-faint);
    font-size: 0.9rem;
    font-style: italic;
}

.letter-code {
    display: flex;
    justify-content: center;
    gap: clamp(0.02em, 0.7vw, 0.14em);
    width: auto;
    padding: 0;
    border: 0;
    background: transparent;
    color: #171715;
    cursor: pointer;
    font-weight: 300;
    line-height: 0.92;
    letter-spacing: -0.045em;
    transition: opacity 260ms ease, transform 520ms cubic-bezier(.16, 1, .3, 1);
}

.letter-code-wrap {
    position: relative;
    display: inline-flex;
    justify-content: center;
    max-width: 100%;
    margin: 0 auto;
}

.letter-code-copy-pill {
    position: absolute;
    top: clamp(8px, 1.4vw, 18px);
    right: -62px;
    z-index: 2;
    padding: 7px 13px 8px;
    border: 1px solid var(--letter-line);
    background: rgba(249, 248, 244, 0.78);
    color: var(--letter-soft);
    cursor: pointer;
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
}

.letter-code-copy-pill:hover {
    border-color: var(--letter-ink);
    background: var(--letter-paper);
    color: var(--letter-ink);
}

.letter-code:hover {
    opacity: 0.72;
    transform: translateY(-2px);
}

.letter-code span {
    font-size: clamp(5.8rem, 14vw, 10.8rem);
}

.letter-code em {
    font-style: normal;
    font-size: clamp(2.4rem, 8vw, 5.4rem);
    color: var(--letter-faint);
}

.letter-time {
    margin: 24px 0 0;
    color: var(--letter-soft);
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    font-size: 0.88rem;
    letter-spacing: 0.08em;
}

.letter-route {
    margin: 14px 0 0;
    color: var(--letter-faint);
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    font-size: 0.78rem;
}

.letter-route span {
    color: var(--letter-accent);
}

.letter-actions {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-top: 42px;
    color: var(--letter-soft);
    font-size: 0.68rem;
}

.letter-actions button,
.letter-actions a {
    padding: 0 0 5px;
    border: 0;
    border-bottom: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    color: inherit;
}

.letter-actions button:hover,
.letter-actions a:hover {
    color: var(--letter-ink);
    border-color: var(--letter-ink);
}

.letter-actions span {
    color: var(--letter-line);
}

.letter-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.65fr) minmax(260px, 0.82fr);
    gap: 52px;
}

.letter-panel {
    min-width: 0;
}

.letter-section-title {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 16px;
}

.letter-section-title h2 {
    margin: 0;
    color: var(--letter-soft);
    font-size: 0.68rem;
    font-weight: 500;
    white-space: nowrap;
}

.letter-section-title span {
    height: 1px;
    flex: 1;
    background: var(--letter-line);
}

.letter-list,
.letter-code-history {
    display: grid;
}

.letter-row {
    display: grid;
    grid-template-columns: 88px minmax(0, 1fr) auto;
    gap: 18px;
    align-items: center;
    padding: 18px 0;
    border-bottom: 1px solid var(--letter-line-soft);
    transition: border-color 260ms ease;
}

.letter-row:hover {
    border-color: rgba(38, 38, 34, 0.6);
}

.letter-row time {
    color: var(--letter-faint);
    font-style: italic;
    font-size: 0.88rem;
}

.letter-row strong {
    overflow: hidden;
    color: var(--letter-ink);
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    font-size: 0.92rem;
    font-weight: 400;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.letter-row small {
    display: none;
}

.letter-row b {
    color: var(--letter-faint);
    font-size: 0.62rem;
    font-weight: 500;
}

.letter-row:hover b {
    color: var(--letter-ink);
}

.letter-side {
    display: grid;
    align-content: start;
    gap: 42px;
}

.letter-code-row {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    padding: 15px 0;
    border-bottom: 1px solid var(--letter-line-soft);
}

.letter-code-row strong {
    color: var(--letter-ink);
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    font-size: 1rem;
}

.letter-code-row small {
    color: var(--letter-faint);
    font-size: 0.62rem;
    letter-spacing: 0.08em;
    text-align: right;
    text-transform: none;
}

.letter-service {
    display: grid;
    gap: 13px;
    padding-top: 8px;
    border-top: 1px solid var(--letter-line);
}

.letter-service div {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    color: var(--letter-soft);
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}

.letter-service span {
    color: var(--letter-faint);
    font-size: 0.62rem;
}

.letter-service strong {
    font-weight: 400;
    font-size: 0.86rem;
}

.letter-empty {
    padding: 18px 0;
    color: var(--letter-faint);
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    font-size: 0.9rem;
}

.letter-toast {
    position: fixed;
    z-index: 100;
    top: 28px;
    left: 50%;
    padding: 12px 18px;
    background: var(--letter-ink);
    color: var(--letter-paper);
    font-size: 0.62rem;
    opacity: 0;
    transform: translate(-50%, -8px);
    transition: opacity 240ms ease, transform 240ms ease;
}

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

@media (max-width: 820px) {
    .letter-page {
        padding: 34px 24px 54px;
    }

    .letter-header {
        align-items: flex-start;
        display: grid;
        gap: 22px;
    }

    .letter-brand-block {
        width: min(100%, 330px);
        margin: -4px 0 0;
    }

    .letter-signature-image {
        width: 94px;
        margin-top: -6px;
        margin-right: 4%;
    }

    .letter-address-block {
        justify-items: start;
        text-align: left;
    }

    .letter-hero {
        min-height: 360px;
        padding: 52px 0;
    }

    .letter-code span {
        font-size: clamp(4.2rem, 19vw, 7rem);
    }

    .letter-actions {
        flex-wrap: wrap;
        justify-content: center;
        gap: 13px;
    }

    .letter-code-copy-pill {
        top: -14px;
        right: 50%;
        padding: 6px 12px;
        transform: translateX(50%);
    }

    .letter-grid {
        grid-template-columns: 1fr;
        gap: 44px;
    }

    .letter-row {
        grid-template-columns: 1fr auto;
        gap: 8px 16px;
    }

    .letter-row time {
        grid-column: 1 / -1;
    }

    .letter-row strong {
        white-space: normal;
    }
}

/* Literary letter-style message detail page */
.letter-message-page .letter-detail-shell {
    width: min(100%, 1180px);
    margin: 0 auto;
}

.letter-detail-header {
    margin-bottom: 54px;
}

.letter-detail-cover {
    display: grid;
    gap: 14px;
    justify-items: center;
    margin-bottom: 74px;
    text-align: center;
}

.letter-detail-cover h2 {
    width: min(100%, 980px);
    margin: 0;
    color: var(--letter-ink);
    font-size: clamp(2.15rem, 5.2vw, 4.3rem);
    font-weight: 300;
    letter-spacing: -0.045em;
    line-height: 1.06;
}

.letter-detail-from {
    max-width: 760px;
    margin: 10px 0 0;
    color: var(--letter-soft);
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    font-size: 0.95rem;
    line-height: 1.8;
    overflow-wrap: anywhere;
}

.letter-detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
    gap: 64px;
    margin-bottom: 68px;
}

.letter-detail-codes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 18px;
}

.letter-detail-code {
    display: grid;
    gap: 8px;
    min-height: 118px;
    padding: 24px 22px;
    border: 1px solid var(--letter-line);
    background: rgba(255, 255, 255, 0.18);
    color: var(--letter-ink);
    cursor: pointer;
    text-align: left;
    transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}

.letter-detail-code:hover {
    border-color: rgba(38, 38, 34, 0.58);
    background: rgba(255, 255, 255, 0.36);
    transform: translateY(-2px);
}

.letter-detail-code strong {
    font-size: clamp(2.5rem, 7vw, 4.6rem);
    font-weight: 300;
    letter-spacing: 0.08em;
    line-height: 1;
}

.letter-detail-code small {
    color: var(--letter-faint);
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
}

.letter-detail-meta dl {
    display: grid;
    gap: 0;
    margin: 0;
}

.letter-detail-meta dl > div {
    display: grid;
    gap: 8px;
    padding: 18px 0;
    border-bottom: 1px solid var(--letter-line-soft);
}

.letter-detail-meta dt {
    color: var(--letter-faint);
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.letter-detail-meta dd {
    margin: 0;
    color: var(--letter-ink);
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    font-size: 0.92rem;
    overflow-wrap: anywhere;
}

.letter-body-panel {
    margin-bottom: 40px;
}

.letter-body-panel .letter-section-title b {
    color: var(--letter-faint);
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    font-size: 0.68rem;
    font-weight: 400;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.letter-message-html-shell {
    border-color: var(--letter-line);
    border-radius: 0;
    background: #fffefb;
}

.letter-message-page .message-html-frame {
    min-height: 560px;
    background: #fffefb;
}

.letter-message-body {
    margin: 0;
    padding: 30px;
    border: 1px solid var(--letter-line);
    background: #fffefb;
    color: var(--letter-ink);
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    font-size: 0.95rem;
    line-height: 1.85;
    overflow: auto;
    white-space: pre-wrap;
}

@media (max-width: 820px) {
    .letter-detail-header {
        margin-bottom: 38px;
    }

    .letter-detail-cover {
        align-items: start;
        justify-items: start;
        margin-bottom: 48px;
        text-align: left;
    }

    .letter-detail-grid {
        grid-template-columns: 1fr;
        gap: 42px;
        margin-bottom: 48px;
    }

    .letter-detail-codes {
        grid-template-columns: 1fr;
    }

    .letter-detail-code {
        min-height: 96px;
        padding: 20px;
    }

    .letter-message-page .message-html-frame {
        min-height: 460px;
    }

    .letter-message-body {
        padding: 20px;
    }
}