:root {
    --bg:           #f8fafc; /* Standard technical workspace bg */
    --bg-2:         #f1f5f9; /* Slate gray standard */
    --surface:      #ffffff;
    --surface-2:    #f8fafc;
    --border:       #cbd5e1; /* Rigorous Slate border */
    --border-2:     #94a3b8; /* Darker slate border on focus */

    --ink:          #0f172a; /* Slate-900 */
    --ink-2:        #334155; /* Slate-700 */
    --ink-3:        #627d98; /* Slate-500 */
    --ink-4:        #94a3b8;

    --blue:         #1e40af; /* Rigorous Indigo Blue */
    --blue-light:   #f1f5f9;
    --blue-mid:     #cbd5e1;
    --teal:         #0f766e; /* Industrial Teal */
    --teal-light:   #f0fdfa;
    --amber:        #b45309; /* Industrial Amber */
    --amber-light:  #fef3c7;
    --red:          #9f1239; /* Industrial Red */
    --red-light:    #fff1f2;
    --purple:       #6d28d9;
    --purple-light: #f5f3ff;

    --shadow-sm:    none; /* Flatten shadows for a formal dashboard feel */
    --shadow-md:    none;
    --shadow-lg:    0 4px 12px rgba(15,22,36,.05); /* Soft, flat boundary for modals */

    --mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
    --sans: 'Sora', -apple-system, BlinkMacSystemFont, sans-serif;

    --r-sm: 4px; /* More standard angular radius */
    --r:    6px;
    --r-lg: 8px;
    --r-xl: 12px;
    --ease: cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--ink);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    font-size: 13.5px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ── scrollbar ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 2px; }

/* ── BANNER ── */
.sale-banner {
    background: var(--blue);
    color: #fff;
    text-align: center;
    padding: 9px 24px;
    font-size: 12px;
    font-weight: 500;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
    letter-spacing: .02em;
}
.sale-banner a {
    color: #fff;
    background: rgba(255,255,255,.18);
    padding: 3px 12px;
    border-radius: 3px;
    font-weight: 600;
    font-size: 11px;
    text-decoration: none;
    transition: background .2s;
}
.sale-banner a:hover { background: rgba(255,255,255,.30); }

/* ── TOP BAR ── */
.top-bar {
    height: 54px;
    padding: 0 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    z-index: 10;
}
.brand {
    font-weight: 700;
    font-size: 14px;
    letter-spacing: -.02em;
    cursor: pointer;
    color: var(--ink);
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-dot {
    width: 8px; height: 8px;
    background: var(--blue);
    border-radius: 50%;
}

/* ── LAYOUT ── */
.main-container { display: flex; flex: 1; overflow: hidden; }

.sidebar {
    width: 216px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 20px 0;
    flex-shrink: 0;
    overflow-y: auto;
}
.nav-group-title {
    padding: 0 18px;
    margin: 18px 0 6px;
    font-size: 10px;
    font-weight: 600;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: .1em;
}
.nav-group-title:first-child { margin-top: 0; }
.sidebar-nav { margin-bottom: 4px; }
.sidebar-nav a {
    display: block;
    padding: 8px 18px;
    margin: 1px 8px;
    color: var(--ink-2);
    border-radius: var(--r-sm);
    font-size: 13px;
    font-weight: 400;
    text-decoration: none;
    transition: all .15s var(--ease);
    position: relative;
    cursor: pointer;
}
.sidebar-nav a:hover { background: var(--bg-2); color: var(--ink); }
.sidebar-nav a.active {
    background: var(--blue-light);
    color: var(--blue);
    font-weight: 600;
}
.sidebar-nav a.active::before {
    content: '';
    position: absolute;
    left: 0; top: 25%; height: 50%; width: 2.5px;
    background: var(--blue);
    border-radius: 0 2px 2px 0;
}

/* ── CONTENT ── */
.content {
    flex: 1;
    padding: 36px 48px;
    overflow-y: auto;
}

/* ── PAGE SECTIONS ── */
.page-section { display: none; }
.page-section.active { display: block; }

/* ── TYPOGRAPHY ── */
h2 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -.02em;
    color: var(--ink);
    margin-bottom: 24px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}
h3 {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: -.01em;
    color: var(--ink);
    margin: 28px 0 14px;
    text-transform: uppercase;
    letter-spacing: .06em;
}
h4 { font-size: 13px; font-weight: 600; color: var(--ink); margin: 18px 0 10px; }
a { text-decoration: none; color: inherit; }

/* ── BUTTONS ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    color: var(--ink-2);
    font-size: 12.5px;
    font-weight: 500;
    font-family: var(--sans);
    cursor: pointer;
    transition: all .12s var(--ease);
    line-height: 1;
}
.btn:hover { background: var(--bg-2); border-color: var(--border-2); color: var(--ink); }
.btn-primary {
    background: var(--blue);
    border-color: var(--blue);
    color: #fff;
    font-weight: 600;
}
.btn-primary:hover { background: #163cb4; border-color: #163cb4; color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 11.5px; }
.btn-danger { color: var(--red); border-color: var(--border); background: var(--red-light); }
.btn-danger:hover { background: #fde8e8; border-color: var(--red); color: var(--red); }

/* ── RIGOROUS FLAT TABLE CONTAINER ── */
.table-container {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    overflow: hidden;
    margin-bottom: 24px;
}

/* ── SOLID REFINED CARD ── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: none; /* No modern glowing shadow */
    transition: border-color .15s var(--ease);
}
.card:hover {
    border-color: var(--border-2); /* Flat focus effect only */
}

/* ── RIGOROUS INDUSTRIAL TABLES ── */
.data-table {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
}
.data-table th {
    text-align: left;
    padding: 12px 18px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--ink-2);
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
}
.data-table td {
    padding: 14px 18px;
    font-size: 13px;
    color: var(--ink-2);
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg); }

/* ── BADGE ── */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--r-sm);
    font-size: 11px;
    font-weight: 500;
    border: 1px solid var(--border);
    color: var(--ink-2);
    letter-spacing: .02em;
    font-family: var(--mono);
}

/* ── CODE ── */
.code-block {
    background: var(--ink);
    border-radius: var(--r);
    overflow: hidden;
    margin-bottom: 18px;
}
.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 9px 16px;
    background: rgba(255,255,255,.04);
    border-bottom: 1px solid rgba(255,255,255,.07);
    font-size: 11px;
    color: rgba(255,255,255,.4);
    font-family: var(--mono);
}
.code-block pre { margin: 0; padding: 16px; overflow-x: auto; font-family: var(--mono); font-size: 12px; line-height: 1.7; color: #e2e8f4; }
.code-block code { font-family: var(--mono); }

/* ── TABS ── */
.tab-nav { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 22px; }
.tab-item {
    padding: 10px 18px;
    font-size: 13px;
    font-weight: 500;
    color: var(--ink-3);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all .15s;
}
.tab-item:hover { color: var(--ink); }
.tab-item.active { color: var(--blue); border-bottom-color: var(--blue); font-weight: 600; }
.tab-sub-section { display: none; }
.tab-sub-section.active { display: block; }

/* ── RANGE PICKER ── */
.range-picker {
    display: flex;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    padding: 3px;
    gap: 2px;
}
.range-btn {
    border: none;
    background: transparent;
    color: var(--ink-3);
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 500;
    font-family: var(--sans);
    cursor: pointer;
    border-radius: 5px;
    transition: all .15s;
}
.range-btn.active { background: var(--surface); color: var(--ink); border: 1px solid var(--border); }

/* ── MODALS ── */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15,22,36,.35);
    backdrop-filter: blur(2px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}
.modal-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    width: 460px;
    box-shadow: var(--shadow-lg);
}
.modal-header { padding: 18px 24px; border-bottom: 1px solid var(--border); font-weight: 700; font-size: 14px; display: flex; justify-content: space-between; align-items: center; }
.modal-close { cursor: pointer; color: var(--ink-3); font-size: 16px; line-height: 1; padding: 2px 6px; border-radius: 4px; }
.modal-close:hover { background: var(--bg); color: var(--ink); }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; background: var(--surface-2); border-radius: 0 0 var(--r-xl) var(--r-xl); }

/* ── REDESIGNED FLAT CLEAN INFO BOX ── */
.info-box {
    border-radius: var(--r);
    padding: 14px 18px;
    margin-bottom: 20px;
    font-size: 12.5px;
    line-height: 1.6;
    border: 1px solid var(--border);
    background: var(--bg-2);
    color: var(--ink-2);
}
.info-box::before { display: none; } /* Remove vertical left colorful strips completely */
.info-box.blue  { background: #f0f9ff; border-color: #bae6fd; color: #0369a1; }
.info-box.teal  { background: #f0fdf4; border-color: #bbf7d0; color: #15803d; }
.info-box.amber { background: #fffbeb; border-color: #fef08a; color: #a16207; }
.info-box.red   { background: #fff1f2; border-color: #fecdd3; color: #be123c; }
.info-box-title { font-weight: 700; margin-bottom: 5px; font-size: 13px; }

/* =============================================
   HERO SECTION
   ============================================= */
.hero-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    margin-bottom: 40px;
}
.hero-left {
    background: var(--ink);
    padding: 44px 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: rgba(255,255,255,.5);
    margin-bottom: 18px;
}
.hero-kicker-dot { width: 6px; height: 6px; background: var(--teal); border-radius: 50%; }
.hero-title {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.25;
    color: #fff;
    letter-spacing: -.03em;
    margin-bottom: 16px;
}
.hero-title em { font-style: normal; color: #7dd3fc; }
.hero-desc {
    font-size: 13px;
    color: rgba(255,255,255,.55);
    line-height: 1.7;
    margin-bottom: 28px;
    max-width: 340px;
}
.hero-actions { display: flex; gap: 10px; }
.hero-btn-primary {
    background: var(--blue);
    color: #fff;
    border: none;
    padding: 10px 22px;
    border-radius: var(--r-sm);
    font-size: 13px;
    font-weight: 600;
    font-family: var(--sans);
    cursor: pointer;
    transition: background .15s;
    letter-spacing: .01em;
}
.hero-btn-primary:hover { background: #1645cc; }
.hero-btn-sec {
    background: rgba(255,255,255,.08);
    color: rgba(255,255,255,.75);
    border: 1px solid rgba(255,255,255,.12);
    padding: 10px 22px;
    border-radius: var(--r-sm);
    font-size: 13px;
    font-weight: 500;
    font-family: var(--sans);
    cursor: pointer;
    transition: all .15s;
}
.hero-btn-sec:hover { background: rgba(255,255,255,.14); color: #fff; }
.hero-right {
    background: var(--surface-2);
    border-left: 1px solid var(--border);
    padding: 32px 36px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.hero-right-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--ink-3);
    margin-bottom: 4px;
}

/* ── STATS ROW ── */
.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 32px;
}
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 20px 22px;
}
.stat-label { font-size: 11px; font-weight: 600; color: var(--ink-3); text-transform: uppercase; letter-spacing: .07em; margin-bottom: 8px; }
.stat-val   { font-size: 24px; font-weight: 700; letter-spacing: -.04em; color: var(--ink); font-family: var(--mono); }
.stat-sub   { font-size: 12px; color: var(--ink-3); margin-top: 4px; }

/* ── REDESIGNED FLAT MODEL CARDS ── */
.model-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 40px; }
.model-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 20px;
    transition: border-color .15s var(--ease);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}
.model-card::before { display: none; } /* Remove vertical left colorful strips completely */
.model-card:hover {
    border-color: var(--border-2);
}
.model-name { font-size: 14px; font-weight: 700; font-family: var(--mono); margin-bottom: 6px; letter-spacing: -.01em; color: var(--ink); }
.model-desc { font-size: 12px; color: var(--ink-2); line-height: 1.55; }

/* ── ENDPOINT CARDS ── */
.endpoint-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.endpoint-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 20px 22px;
}
.endpoint-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}
.endpoint-logo {
    width: 32px; height: 32px;
    border-radius: var(--r-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 700; font-family: var(--mono);
    flex-shrink: 0;
}
.logo-openai  { background: #000; color: #fff; }
.logo-anthropic { background: #cc785c; color: #fff; }
.endpoint-title { font-size: 14px; font-weight: 700; color: var(--ink); }
.endpoint-subtitle { font-size: 11px; color: var(--ink-3); }
.endpoint-url-list { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.endpoint-url-item {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    padding: 7px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
.endpoint-url-text { font-family: var(--mono); font-size: 11px; color: var(--ink-2); word-break: break-all; flex: 1; }
.copy-btn {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 3px 8px;
    font-size: 11px;
    font-family: var(--sans);
    color: var(--ink-3);
    cursor: pointer;
    transition: all .12s;
    white-space: nowrap;
    flex-shrink: 0;
}
.copy-btn:hover { color: var(--blue); border-color: var(--blue); background: var(--blue-light); }

/* ── TOOL INTEGRATION GRID ── */
.tool-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 24px; }
.tool-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 22px 24px;
    transition: border-color .15s;
}
.tool-card:hover { border-color: var(--border-2); }
.tool-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.tool-logo {
    width: 38px; height: 38px;
    border-radius: var(--r-sm);
    background: var(--surface-2);
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 800;
    font-family: var(--mono); flex-shrink: 0;
    color: var(--ink-2);
}
.tool-name { font-size: 15px; font-weight: 700; color: var(--ink); margin-bottom: 2px; }
.tool-sub  { font-size: 12px; color: var(--ink-3); }
.tool-params { list-style: none; display: flex; flex-direction: column; gap: 0; border: 1px solid var(--border); border-radius: var(--r-sm); overflow: hidden; }
.tool-param-row { display: grid; grid-template-columns: 120px 1fr; border-bottom: 1px solid var(--bg-2); }
.tool-param-row:last-child { border-bottom: none; }
.param-key { padding: 9px 12px; font-size: 12px; font-weight: 600; color: var(--ink-3); background: var(--surface-2); border-right: 1px solid var(--border); }
.param-val { padding: 9px 12px; font-size: 12px; color: var(--ink); font-family: var(--mono); background: var(--surface); word-break: break-all; }

/* ── QUICK ACTION STRIP ── */
.quick-actions { display: flex; gap: 10px; margin-bottom: 36px; flex-wrap: wrap; }
.qa-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    cursor: pointer;
    transition: all .18s;
    text-decoration: none;
    flex: 1;
    min-width: 160px;
}
.qa-item:hover { border-color: var(--blue); background: var(--blue-light); color: var(--blue); }
.qa-icon {
    width: 34px; height: 34px;
    background: var(--blue-light);
    border-radius: var(--r-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 15px; flex-shrink: 0;
    transition: background .18s;
}
.qa-item:hover .qa-icon { background: rgba(26,86,232,.15); }
.qa-label { font-size: 13px; font-weight: 600; color: var(--ink); }
.qa-desc  { font-size: 11.5px; color: var(--ink-3); }

/* ── REDESIGNED FLAT MODERN DASHBOARD ── */
.balance-dashboard {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    background: transparent;
    border: none;
    overflow: visible;
    margin-bottom: 32px;
}
.balance-item {
    background: var(--surface);
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: var(--r);
    transition: border-color .15s var(--ease);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.balance-item:hover {
    border-color: var(--border-2);
}
.balance-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-3); margin-bottom: 12px; }
.balance-value { font-size: 24px; font-weight: 700; letter-spacing: -.03em; font-family: var(--mono); color: var(--ink); }

/* ── REDESIGNED FLAT TOKEN PACKAGE CARDS ── */
.token-packages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.token-pkg-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 28px 20px;
    text-align: center;
    cursor: pointer;
    transition: all .15s var(--ease);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}
.token-pkg-card::before { display: none; } /* Remove vertical left colorful strips completely */
.token-pkg-card:hover {
    border-color: var(--blue);
    background-color: var(--bg-2);
}

.pkg-amount {
    font-size: 22px;
    font-weight: 700;
    font-family: var(--mono);
    letter-spacing: -.03em;
    margin-bottom: 8px;
    color: var(--ink);
    display: flex;
    align-items: center;
    gap: 6px;
}
.pkg-price { font-size: 16px; color: var(--blue); font-weight: 700; margin-bottom: 20px; font-family: var(--mono); }
.pkg-btn {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--ink-2);
    padding: 8px;
    border-radius: var(--r-sm);
    font-size: 12.5px;
    font-weight: 500;
    transition: all .15s;
}
.token-pkg-card:hover .pkg-btn {
    background: var(--blue);
    color: #fff;
    border-color: var(--blue);
}

/* ── INFO ICON ── */
.info-icon {
    display: inline-flex; justify-content: center; align-items: center;
    width: 14px; height: 14px;
    border-radius: 50%; border: 1px solid var(--ink-4);
    color: var(--ink-4); font-size: 9px; font-weight: 700;
    cursor: help; transition: all .15s;
}
.info-icon:hover { color: var(--blue); border-color: var(--blue); }

/* ── RECHARGE MODAL EXTRAS ── */
.promo-box { background: var(--blue-light); border: 1px solid var(--blue-mid); border-radius: var(--r); padding: 14px 16px; margin-bottom: 16px; }
.promo-title { font-size: 13px; font-weight: 700; color: var(--blue); margin-bottom: 8px; }
.promo-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 5px; }
.promo-item { font-size: 11px; color: var(--ink-2); background: var(--surface); border: 1px solid var(--border); padding: 6px 6px; border-radius: var(--r-sm); text-align: center; }
.promo-item span { display: block; color: var(--amber); font-weight: 700; font-size: 12px; margin-top: 2px; }
.promo-item.highlight { border-color: #fcd34d; background: var(--amber-light); }
.arrival-preview {
    background: var(--surface-2); border: 1px solid var(--border);
    border-radius: var(--r); padding: 14px 16px; font-size: 13px; color: var(--ink-2);
}

/* ── PHONE MOCKUP ── */
.phone-frame {
    background: #1a1a1a;
    padding: 10px;
    border-radius: 28px;
    border: 3px solid #2a2a2a;
    width: 240px;
    flex-shrink: 0;
}
.phone-screen {
    background: #f2f2f7;
    border-radius: 20px;
    padding: 16px;
    height: 400px;
    overflow: hidden;
    font-family: -apple-system, sans-serif;
    position: relative;
}
.phone-statusbar { display: flex; justify-content: space-between; color: #000; font-size: 12px; font-weight: 600; margin-bottom: 14px; }
.phone-title { font-size: 18px; font-weight: 700; margin-bottom: 14px; }
.phone-section { background: #fff; border-radius: 10px; padding: 0 14px; margin-bottom: 14px; }
.phone-row { padding: 11px 0; border-bottom: 1px solid #f0f0f5; display: flex; justify-content: space-between; align-items: center; font-size: 13px; }
.phone-row:last-child { border-bottom: none; }
.phone-toggle { width: 40px; height: 24px; background: #34c759; border-radius: 12px; position: relative; }
.phone-toggle-knob { width: 20px; height: 20px; background: #fff; border-radius: 50%; position: absolute; right: 2px; top: 2px; box-shadow: 0 1px 3px rgba(0,0,0,.2); }

/* ── SECTION DIVIDER ── */
.divider { height: 1px; background: var(--border); margin: 36px 0; }

/* ── MISC ── */
code { font-family: var(--mono); }
input[type=number], input[type=text] {
    background: var(--surface);
    border: 1px solid var(--border-2);
    color: var(--ink);
    padding: 10px 14px;
    border-radius: var(--r-sm);
    font-size: 13.5px;
    font-family: var(--sans);
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}
input:focus { border-color: var(--blue); }

.highlight-row { background: #fffbeb; }
/* ── 折扣方案与包月卡片专属样式 ── */
.plan-category-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--ink);
    margin: 32px 0 16px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.plan-category-title span {
    font-size: 12px;
    font-weight: normal;
    color: var(--ink-3);
}
.plan-unit-price {
    font-size: 11.5px;
    color: var(--ink-3);
    margin-top: 4px;
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--border);
    width: 100%;
    text-align: center;
}
.plan-features {
    list-style: none;
    padding: 0;
    margin: 16px 0;
    width: 100%;
}
.plan-features li {
    font-size: 12px;
    color: var(--ink-2);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.plan-features li::before {
    content: "•";
    color: var(--blue);
    font-weight: bold;
}
.vip-card-wrapper {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}
.vip-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 24px;
    position: relative;
}
.vip-card-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
@media (max-width: 768px) {
    .vip-card-content {
        grid-template-columns: 1fr;
    }
}
.vip-left {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.vip-right {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-left: 1px solid var(--border);
    padding-left: 24px;
}
.duration-selector {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}
.duration-option {
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: var(--r-sm);
    font-size: 11.5px;
    cursor: pointer;
    transition: all 0.12s;
    background: var(--bg);
    color: var(--ink-2);
    font-family: var(--sans);
}
.duration-option.active {
    border-color: var(--blue);
    background: var(--blue-light);
    color: var(--blue);
    font-weight: 600;
}
.vip-unit {
    font-size: 13px;
    font-weight: normal;
    color: var(--ink-3);
}
/* ── 账户余额卡片严谨对齐样式 ── */
.balance-dashboard {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    background: transparent;
    border: none;
    overflow: visible;
    margin-bottom: 32px;
}
.balance-item {
    background: var(--surface);
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: var(--r);
    transition: border-color .15s var(--ease);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 148px; /* 强制统一高度 */
    box-sizing: border-box;
}
.balance-item:hover {
    border-color: var(--border-2);
}
.balance-content {
    display: flex;
    flex-direction: column;
    gap: 8px; /* 统一标签与数值之间的间距，杜绝跑偏 */
}
.balance-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--ink-3);
}
.balance-value {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -.03em;
    font-family: var(--mono);
    color: var(--ink);
}
.balance-btn-wrapper {
    margin-top: auto;
    padding-top: 12px;
    display: flex;
    align-items: center;
}