:root {
  --ink: #0b213d;
  --muted: #8391a5;
  --line: #e7edf4;
  --paper: #f6f9fc;
  --white: #ffffff;
  --blue: #1d75e8;
  --blue-deep: #092c57;
  --purple: #7958e8;
  --orange: #f0a43b;
  --shadow: 0 18px 50px rgba(31, 61, 97, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "DM Sans", "Noto Sans SC", sans-serif; }
button, a { font: inherit; }
a { color: inherit; text-decoration: none; }
.shell { min-height: 100vh; max-width: 1440px; margin: 0 auto; }
.topbar { height: 92px; padding: 0 6.5%; display: flex; align-items: center; justify-content: space-between; background: var(--white); border-bottom: 1px solid rgba(222,230,240,.55); }
.brand-lockup { display: flex; align-items: center; gap: 13px; }
.brand-mark { width: 42px; height: 42px; border-radius: 14px; display: flex; align-items: end; justify-content: center; gap: 4px; padding-bottom: 10px; background: linear-gradient(145deg, #e6f1ff, #b8dbff); }
.brand-mark span { display: block; width: 4px; border-radius: 5px; background: var(--blue); transform: rotate(28deg); }
.brand-mark span:nth-child(1) { height: 12px; opacity: .55; }.brand-mark span:nth-child(2) { height: 20px; }.brand-mark span:nth-child(3) { height: 15px; opacity: .75; }
.eyebrow { letter-spacing: .16em; color: #7290b4; font-size: 9px; font-weight: 700; margin-bottom: 2px; }
.brand-name { font-size: 15px; font-weight: 700; letter-spacing: .02em; }
.icon-button { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 13px; background: var(--white); color: var(--blue); cursor: pointer; transition: .2s; }
.icon-button:hover { background: #edf5ff; transform: translateY(-1px); }.icon-button svg { width: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon-button.loading svg { animation: spin .8s linear infinite; } .icon-button:disabled { cursor: wait; opacity: .65; } @keyframes spin { to { transform: rotate(360deg); } }
main { padding: 56px 6.5% 100px; }
.welcome-row { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 22px; }
.muted-label { margin: 0 0 8px; color: #91a0b2; font-size: 12px; letter-spacing: .06em; }.welcome-row h1 { margin: 0; font-size: clamp(28px, 3.4vw, 44px); letter-spacing: -.04em; line-height: 1.1; }.wave { display: inline-block; margin-left: 8px; color: #f6b238; font-size: .6em; transform: translateY(-8px); }.subline { margin: 13px 0 0; color: #718096; font-size: 13px; }.dot { margin: 0 8px; color: #c6cfdb; }
.status-pill { display: flex; gap: 9px; align-items: center; padding: 9px 13px; border: 0; border-radius: 30px; background: #edfbf4; color: #16885b; font-size: 12px; font-weight: 600; cursor: pointer; }.status-pill.is-linked { background: #eaf4ff; color: var(--blue); }.status-pill.is-linked .status-dot { background: var(--blue); box-shadow: 0 0 0 4px rgba(29,117,232,.12); }.status-dot { width: 7px; height: 7px; border-radius: 50%; background: #2ac47e; box-shadow: 0 0 0 4px rgba(42,196,126,.12); }
.sync-banner { display: flex; align-items: center; gap: 9px; margin-bottom: 18px; color: #7a8ba1; font-size: 12px; }.sync-icon { color: var(--blue); font-size: 18px; }.sync-time { margin-left: auto; color: #a8b3c1; }
.overview-grid, .usage-grid, .lower-grid { display: grid; gap: 17px; }.overview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }.usage-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }.lower-grid { grid-template-columns: 1.2fr .8fr; margin-top: 38px; }
.card { border: 1px solid rgba(221,230,240,.75); border-radius: 22px; background: var(--white); box-shadow: var(--shadow); }.balance-card { min-height: 206px; padding: 25px 28px; color: white; background: radial-gradient(circle at 90% 0%, rgba(67,144,247,.5), transparent 37%), linear-gradient(130deg, #0c315f 0%, #0b4e91 100%); border: 0; position: relative; overflow: hidden; }.balance-card:after { content: ""; position: absolute; right: -30px; bottom: -80px; width: 220px; height: 220px; border: 1px solid rgba(255,255,255,.15); border-radius: 50%; box-shadow: 0 0 0 22px rgba(255,255,255,.035), 0 0 0 44px rgba(255,255,255,.025); }
.spend-card { min-height: 206px; padding: 25px 28px; }.card-topline, .card-foot, .usage-heading, .usage-note { display: flex; justify-content: space-between; align-items: center; }.card-topline { color: rgba(255,255,255,.68); font-size: 12px; }.spend-card .card-topline { color: #91a0b2; }.soft-badge { border: 1px solid rgba(255,255,255,.2); padding: 5px 8px; border-radius: 7px; color: #b8e5ff; font-size: 10px; }.card-icon { width: 32px; height: 32px; border-radius: 10px; background: #eef5ff; display: grid; place-items: center; color: var(--blue); font-size: 20px; }.money { display: flex; align-items: baseline; gap: 3px; margin-top: 23px; font-size: clamp(36px, 4.4vw, 54px); font-weight: 700; letter-spacing: -.07em; }.currency { margin-right: 2px; font-size: .44em; letter-spacing: 0; }.dark-money { color: var(--ink); }.card-foot { position: relative; z-index: 1; margin-top: 27px; color: rgba(255,255,255,.61); font-size: 11px; }.spend-card .card-foot { color: #9aa7b6; }.arrow { color: #b7e3ff; font-size: 18px; }.dark-arrow { color: var(--blue); }
.section-heading { display: flex; justify-content: space-between; align-items: end; margin: 44px 0 16px; }.section-heading h2 { margin: 0; font-size: 20px; letter-spacing: -.035em; }.updated-label, .trend-total { color: #91a0b2; font-size: 11px; }.usage-card { padding: 22px 23px 20px; min-height: 165px; }.usage-title { display: flex; gap: 9px; align-items: center; font-size: 13px; font-weight: 600; }.usage-icon { width: 27px; height: 27px; display: grid; place-items: center; border-radius: 9px; font-size: 17px; }.blue-icon { background: #eaf4ff; color: var(--blue); }.purple-icon { background: #f0edff; color: var(--purple); }.orange-icon { background: #fff4e2; color: var(--orange); }.usage-percent { color: var(--blue); font-size: 11px; font-weight: 700; }.voice-card .usage-percent { color: var(--purple); }.sms-card .usage-percent { color: var(--orange); }.usage-value { display: flex; align-items: baseline; gap: 5px; margin: 20px 0 13px; color: #9aa7b6; font-size: 11px; }.usage-value strong { color: var(--ink); font-size: 26px; letter-spacing: -.06em; }.progress { width: 100%; height: 6px; background: #eaf2fb; border-radius: 8px; overflow: hidden; }.progress span { display: block; height: 100%; border-radius: inherit; background: var(--blue); transition: width .6s ease; }.purple-progress { background: #f0edff; }.purple-progress span { background: var(--purple); }.orange-progress { background: #fff3e1; }.orange-progress span { background: var(--orange); }.usage-note { margin-top: 12px; color: #a3aebb; font-size: 10px; }.usage-note b { color: #6f8096; font-weight: 600; }
.trend-card, .activity-card { min-height: 310px; padding: 25px 27px; }.section-heading.compact { margin: 0; align-items: center; }.section-heading.compact h2 { font-size: 17px; }.chart { height: 190px; display: flex; align-items: end; justify-content: space-between; gap: 10px; margin-top: 27px; padding: 0 4px 4px; border-bottom: 1px solid #e9eff5; background-image: linear-gradient(#f5f8fb 1px, transparent 1px); background-size: 100% 33.33%; }.bar-column { height: 100%; display: flex; flex: 1; flex-direction: column; align-items: center; justify-content: end; gap: 9px; }.bar { width: 100%; max-width: 27px; min-height: 8px; border-radius: 7px 7px 2px 2px; background: #cfe4fb; transition: height .6s ease; }.bar.is-active { background: linear-gradient(#3c96f8, #1d75e8); box-shadow: 0 4px 12px rgba(29,117,232,.22); }.bar-label { font-size: 10px; color: #9ca9b8; }.text-button { border: 0; color: var(--blue); background: none; font-size: 11px; cursor: pointer; }.activity-list { margin-top: 22px; }.activity-item { display: grid; grid-template-columns: 30px 1fr auto; align-items: center; gap: 11px; padding: 12px 0; border-bottom: 1px solid #eef2f6; }.activity-item:last-child { border-bottom: 0; }.activity-icon { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; font-size: 14px; }.activity-icon.bill { background: #eef4ff; color: var(--blue); }.activity-icon.data { background: #edfbf4; color: #1aa56d; }.activity-icon.recharge { background: #fff4e4; color: #e49a2c; }.activity-title { margin: 0 0 3px; font-size: 12px; font-weight: 600; }.activity-detail, .activity-time { margin: 0; color: #a0adba; font-size: 10px; }.activity-right { text-align: right; }.activity-amount { margin: 0 0 3px; font-size: 11px; font-weight: 700; }.activity-amount.recharge { color: #16a166; }
.help-card { display: flex; align-items: center; gap: 15px; margin-top: 18px; padding: 17px 21px; border: 1px solid #dcecff; border-radius: 18px; background: linear-gradient(100deg, #eef7ff, #f6fbff); }.help-orb { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; background: var(--blue); color: white; font-weight: 700; }.help-card strong { font-size: 13px; }.help-card p { margin: 4px 0 0; color: #8293a8; font-size: 11px; }.help-card a { margin-left: auto; color: var(--blue); font-size: 11px; font-weight: 600; }.help-card a span { font-size: 16px; margin-left: 5px; }.bottom-nav { display: none; }.toast { position: fixed; left: 50%; bottom: 30px; z-index: 4; padding: 11px 16px; border-radius: 12px; color: white; background: #0c315f; box-shadow: 0 10px 30px rgba(8,41,81,.22); font-size: 12px; opacity: 0; pointer-events: none; transform: translate(-50%, 10px); transition: .25s; }.toast.show { opacity: 1; transform: translate(-50%, 0); }
.modal-backdrop { position: fixed; z-index: 10; inset: 0; display: grid; place-items: center; padding: 20px; background: rgba(5, 21, 42, .52); backdrop-filter: blur(8px); }.modal-backdrop[hidden] { display: none; }.auth-modal { position: relative; width: min(100%, 470px); padding: 30px; border-radius: 26px; background: #fff; box-shadow: 0 30px 100px rgba(3, 21, 44, .28); }.modal-close { position: absolute; top: 17px; right: 19px; width: 32px; height: 32px; border: 0; border-radius: 50%; color: #8b9aad; background: #f3f6fa; font-size: 24px; line-height: 1; cursor: pointer; }.modal-kicker { color: var(--blue); font-size: 10px; font-weight: 700; letter-spacing: .15em; }.auth-modal h2 { margin: 8px 0 10px; font-size: 27px; letter-spacing: -.05em; }.modal-description { margin: 0 0 20px; color: #7c8da1; font-size: 12px; line-height: 1.7; }.auth-error { margin: -4px 0 14px; padding: 10px 12px; border-radius: 10px; color: #b13f47; background: #fff0f0; font-size: 12px; line-height: 1.5; }.auth-error[hidden] { display: none; }.auth-fields label { display: block; color: #718198; font-size: 11px; font-weight: 600; }.auth-fields input { display: block; width: 100%; height: 44px; margin-top: 7px; padding: 0 13px; border: 1px solid #e2eaf2; border-radius: 11px; outline: none; color: var(--ink); background: #fbfdff; font-size: 13px; transition: .2s; }.auth-fields input:focus { border-color: #78b3f5; box-shadow: 0 0 0 3px rgba(29,117,232,.1); }.captcha-row, .sms-row { display: grid; grid-template-columns: 1fr 118px; gap: 10px; align-items: end; margin-top: 13px; }.sms-row { grid-template-columns: 1fr 118px; }.captcha-box { height: 44px; padding: 0; border: 1px solid #e2eaf2; border-radius: 11px; overflow: hidden; position: relative; background: #f5f9fd; cursor: pointer; }.captcha-box img { display: block; width: 100%; height: 100%; object-fit: cover; }.captcha-box span { position: absolute; right: 4px; bottom: 3px; padding: 2px 4px; border-radius: 4px; color: #fff; background: rgba(0,0,0,.48); font-size: 9px; }.send-code { height: 44px; border: 0; border-radius: 11px; color: #fff; background: var(--blue); font-size: 12px; font-weight: 600; cursor: pointer; }.send-code:disabled { cursor: wait; opacity: .55; }.agreement-line { display: flex; align-items: center; gap: 7px; margin: 18px 0; color: #9aa8b8; font-size: 11px; }.agreement-line input { accent-color: var(--blue); }.primary-button { width: 100%; height: 46px; border: 0; border-radius: 13px; color: #fff; background: linear-gradient(115deg, #1f7bed, #155dc0); box-shadow: 0 8px 18px rgba(29,117,232,.22); cursor: pointer; font-size: 13px; font-weight: 700; }.primary-button:disabled { cursor: wait; opacity: .65; }.auth-footnote { margin: 14px 0 0; color: #a3afbc; text-align: center; font-size: 10px; }
@media (max-width: 800px) { .topbar { height: 75px; padding: 0 20px; }.brand-mark { width: 37px; height: 37px; border-radius: 12px; }.brand-name { font-size: 14px; } main { padding: 32px 20px 92px; }.welcome-row { align-items: start; flex-direction: column; gap: 14px; }.status-pill { align-self: flex-start; }.overview-grid, .usage-grid, .lower-grid { grid-template-columns: 1fr; }.overview-grid { gap: 12px; }.balance-card, .spend-card { min-height: 177px; padding: 21px 23px; }.money { margin-top: 15px; font-size: 42px; }.card-foot { margin-top: 20px; }.section-heading { margin-top: 34px; }.usage-grid { gap: 12px; }.usage-card { min-height: 150px; }.lower-grid { gap: 12px; margin-top: 28px; }.trend-card, .activity-card { min-height: auto; padding: 21px 20px; }.chart { height: 155px; }.help-card { margin-bottom: 0; align-items: flex-start; }.help-card a { white-space: nowrap; }.bottom-nav { position: fixed; z-index: 3; display: flex; bottom: 0; left: 0; right: 0; height: 67px; align-items: center; justify-content: space-around; border-top: 1px solid #e4ebf3; background: rgba(255,255,255,.93); backdrop-filter: blur(14px); }.nav-item { display: flex; flex-direction: column; align-items: center; gap: 3px; color: #a2aebb; font-size: 10px; }.nav-symbol { font-size: 20px; line-height: 20px; }.nav-item.active { color: var(--blue); } .auth-modal { padding: 24px 19px; border-radius: 21px; } .captcha-row, .sms-row { grid-template-columns: 1fr 104px; } }
@media (min-width: 1200px) { .topbar { padding-left: 9%; padding-right: 9%; } main { padding-left: 9%; padding-right: 9%; } }