:root {
  color-scheme: dark;
  --bg: #151213;
  --surface: #1f1b1c;
  --surface-alt: #282223;
  --surface-strong: #332b2d;
  --text: #f5eded;
  --muted: #b7aaad;
  --line: #453b3d;
  --pink: #f0d5dc;
  --pink-strong: #d98999;
  --pink-dark: #634c52;
  --green: #5aebad;
  --shadow: rgba(0, 0, 0, .34);
  --radius: 10px;
  --content: 1210px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); font-family: "Microsoft YaHei UI", "Segoe UI Variable", "Segoe UI", sans-serif; line-height: 1.55; letter-spacing: 0; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 3px solid var(--green); outline-offset: 3px; }

.skip-link { position: fixed; z-index: 80; top: 12px; left: 12px; transform: translateY(-160%); padding: 9px 13px; border-radius: 6px; background: var(--green); color: #14251d; font-weight: 800; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; z-index: 50; top: 0; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 30px; min-height: 72px; padding: 12px max(22px, calc((100vw - var(--content)) / 2)); border-bottom: 1px solid color-mix(in srgb, var(--line) 75%, transparent); background: rgba(21, 18, 19, .94); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 20px; font-weight: 850; }
.brand img, .footer-brand img { border-radius: 50%; }
.site-nav { display: flex; justify-content: center; gap: clamp(20px, 3vw, 40px); }
.site-nav a { color: var(--muted); font-size: 14px; font-weight: 700; }
.site-nav a:hover { color: var(--text); }
.header-cta, .button { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; border-radius: 7px; font-weight: 800; white-space: nowrap; }
.header-cta { padding: 0 18px; background: var(--pink); color: #2c2023; }
.header-cta:hover { background: #fff0f4; }
.menu-button { display: none; }

.hero { position: relative; isolation: isolate; min-height: min(760px, calc(100dvh - 72px)); overflow: hidden; border-bottom: 1px solid var(--line); background: #111011; }
.hero-visual { position: absolute; z-index: -2; top: 0; right: 0; width: min(83vw, 1200px); height: 100%; object-fit: cover; object-position: right center; opacity: .8; }
.hero-scrim { position: absolute; z-index: -1; inset: 0 auto 0 0; width: 67%; background: rgba(18, 15, 16, .93); clip-path: polygon(0 0, 89% 0, 64% 100%, 0 100%); }
.hero-content { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; min-height: inherit; max-width: var(--content); margin: 0 auto; padding: 76px 22px 96px; }
.eyebrow { margin: 0 0 15px; color: var(--green); font-size: 13px; font-weight: 850; letter-spacing: .08em; }
.hero h1 { max-width: 680px; margin: 0; font-size: clamp(48px, 7vw, 88px); line-height: 1.03; letter-spacing: 0; }
.hero-content > p:not(.eyebrow) { max-width: 450px; margin: 22px 0 0; color: var(--muted); font-size: clamp(17px, 2vw, 20px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { min-height: 48px; padding: 0 22px; }
.button-primary { background: var(--pink); color: #322126; }
.button-primary:hover { background: #fff0f4; }
.button-ghost { border: 1px solid var(--line); background: rgba(31, 27, 28, .84); color: var(--text); }
.button-ghost:hover { border-color: var(--pink); }
.hero-caption { position: absolute; right: max(22px, calc((100vw - var(--content)) / 2)); bottom: 25px; color: #e9d5d9; font-size: 13px; font-weight: 750; }

.platform-strip { display: grid; grid-template-columns: repeat(4, 1fr); max-width: var(--content); margin: 0 auto; padding: 24px 22px; color: var(--muted); font-size: 14px; font-weight: 750; text-align: center; }
.platform-strip span + span { border-left: 1px solid var(--line); }
.section-heading { max-width: 700px; }
.section-heading h2, .download-copy h2 { margin: 0; font-size: clamp(34px, 4.8vw, 56px); line-height: 1.12; letter-spacing: 0; }
.section-heading > p:last-child, .download-copy > p:last-child { margin: 17px 0 0; color: var(--muted); font-size: 17px; }

.console-section { max-width: var(--content); margin: 0 auto; padding: 100px 22px; }
.console-section .section-heading { margin-bottom: 44px; }
.console-frame { display: grid; grid-template-columns: 82px minmax(0, 1fr); min-height: 720px; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: #171415; box-shadow: 0 32px 80px var(--shadow); }
.console-nav { display: flex; flex-direction: column; gap: 10px; padding: 14px 9px; border-right: 1px solid #30292b; background: #1a1718; }
.console-brand { display: grid; width: 56px; height: 56px; margin: 0 auto 8px; border-radius: 9px; place-items: center; background: #2e292b; }
.console-brand img { border-radius: 50%; }
.console-nav-item { display: grid; width: 100%; min-height: 64px; padding: 8px 2px; border: 0; border-radius: 8px; background: transparent; color: var(--muted); place-items: center; gap: 3px; cursor: pointer; }
.console-nav-item span { font-size: 23px; line-height: 1; }
.console-nav-item b { font-size: 11px; font-weight: 750; }
.console-nav-item:hover, .console-nav-item.is-active { background: #5c5054; color: var(--text); }
.nav-download { margin-top: auto; }
.console-main { position: relative; padding: 25px 24px 104px; }
.console-topline { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.console-title { margin: 0; font-size: 28px; font-weight: 850; }
.console-subtitle { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.console-status { display: inline-flex; align-items: center; gap: 8px; color: var(--green); font-size: 13px; font-weight: 750; }
.console-status span { width: 12px; height: 12px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 6px rgba(90, 235, 173, .1); }
.console-grid { display: grid; grid-template-columns: minmax(350px, 1.55fr) minmax(260px, .95fr) minmax(260px, .85fr); grid-template-areas: "nodes announce traffic" "network plan mode" "check donut mode"; gap: 14px; }
.panel { min-width: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; padding: 17px 17px 10px; }
.panel-head strong { display: block; font-size: 16px; }
.panel-head small, .panel small { color: var(--muted); font-size: 12px; }
.icon-button { display: inline-grid; width: 30px; height: 30px; padding: 0; border: 0; border-radius: 5px; background: #2b2628; color: var(--text); place-items: center; cursor: pointer; font-size: 18px; }
.icon-button:hover { background: var(--pink-dark); }
.node-panel { grid-area: nodes; min-height: 238px; }
.node-list { padding: 0 9px 7px; }
.node-row { display: grid; grid-template-columns: 30px minmax(0, 1fr) auto; width: 100%; align-items: center; min-height: 35px; gap: 7px; padding: 4px 9px; border: 0; border-radius: 6px; background: transparent; color: var(--text); text-align: left; cursor: pointer; }
.node-row:hover { background: #302a2c; }
.node-row.is-selected { background: #9b858b; color: #fff9fa; }
.node-row b { overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.node-row em { color: var(--green); font-style: normal; font-size: 12px; font-weight: 750; }
.flag { color: #f3d5d9; font-size: 10px; font-weight: 900; }
.node-tip { margin: 0; padding: 7px 17px 15px; color: var(--muted); font-size: 12px; }
.announcement-panel { grid-area: announce; min-height: 112px; }
.announcement-open { display: flex; width: 100%; align-items: center; justify-content: space-between; padding: 0 17px 16px; border: 0; background: transparent; color: var(--text); cursor: pointer; text-align: left; font-weight: 750; }
.announcement-open span { color: var(--pink); font-size: 20px; }
.traffic-panel { grid-area: traffic; min-height: 238px; overflow: hidden; }
.traffic-panel .panel-head { padding-bottom: 2px; }
.traffic-chart { position: relative; display: flex; height: 158px; align-items: flex-end; justify-content: space-evenly; padding: 0 15px 12px; border-top: 1px solid #342d2f; }
.traffic-chart::after { position: absolute; right: 0; bottom: 38%; left: 0; height: 2px; background: var(--pink); content: ""; }
.traffic-chart i { position: relative; z-index: 1; width: 8%; max-width: 30px; border-radius: 4px 4px 0 0; background: #4a3e42; }
.traffic-chart i:nth-child(1) { height: 18%; }.traffic-chart i:nth-child(2) { height: 28%; }.traffic-chart i:nth-child(3) { height: 20%; }.traffic-chart i:nth-child(4) { height: 55%; }.traffic-chart i:nth-child(5) { height: 31%; }.traffic-chart i:nth-child(6) { height: 65%; }.traffic-chart i:nth-child(7) { height: 25%; }.traffic-chart i:nth-child(8) { height: 42%; }
.network-panel { grid-area: network; padding-bottom: 10px; }
.switch-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 17px; cursor: pointer; }
.switch-row > span { display: grid; gap: 1px; font-weight: 750; }
.switch-row small { max-width: 200px; }
.switch-row input { position: absolute; opacity: 0; pointer-events: none; }
.switch-row i { position: relative; width: 49px; height: 29px; flex: 0 0 auto; border: 2px solid #95888b; border-radius: 99px; background: #443c3e; }
.switch-row i::after { position: absolute; top: 4px; left: 4px; width: 17px; height: 17px; border-radius: 50%; background: #aa9da0; content: ""; transition: transform 170ms ease, background 170ms ease; }
.switch-row input:checked + i { border-color: var(--pink); background: var(--pink); }
.switch-row input:checked + i::after { transform: translateX(20px); background: #4d343a; }
.plan-panel { grid-area: plan; padding: 0 17px 16px; }
.plan-panel .panel-head { padding-right: 0; padding-left: 0; }
.usage-label { margin: 9px 0 2px; color: var(--muted); font-size: 12px; }
.usage { margin: 0; font-size: 21px; font-weight: 850; }.usage span { color: var(--pink); }
.usage-track { height: 5px; margin-top: 11px; overflow: hidden; border-radius: 4px; background: #4a4143; }.usage-track i { display: block; width: 0%; height: 100%; background: var(--pink); transition: width 240ms ease; }
.expiry { margin: 15px 0 0; color: var(--muted); font-size: 12px; }.expiry b { display: block; margin-top: 2px; color: var(--text); font-size: 15px; }
.mode-panel { grid-area: mode; padding-bottom: 12px; }.radio-row { display: flex; align-items: center; gap: 10px; padding: 8px 17px; cursor: pointer; }.radio-row input { appearance: none; width: 18px; height: 18px; margin: 0; border: 2px solid #e6d5d8; border-radius: 50%; }.radio-row input:checked { border: 5px solid var(--pink); background: #4b363b; }.radio-row span { font-size: 14px; font-weight: 700; }
.network-check { grid-area: check; padding: 18px; }.network-check strong { font-size: 15px; }.network-check p { min-height: 44px; margin: 12px 0; color: var(--pink); font-size: 13px; font-weight: 750; }.network-check small { display: block; }
.usage-donut { grid-area: donut; display: flex; align-items: center; gap: 18px; padding: 18px; }.donut { position: relative; width: 80px; height: 80px; flex: 0 0 auto; border: 10px solid #61585a; border-top-color: var(--pink); border-right-color: var(--pink); border-radius: 50%; transform: rotate(-42deg); }.donut::after { position: absolute; inset: 12px; border-radius: 50%; background: var(--surface); content: ""; }.usage-donut > div:last-child { flex: 1; }.usage-donut strong { font-size: 15px; }.usage-donut p { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 5px 0; color: var(--muted); font-size: 12px; }.usage-donut b { color: var(--text); }.dot { display: inline-block; width: 8px; height: 8px; margin-right: 4px; border-radius: 50%; }.dot-up { background: var(--pink); }.dot-down { background: #7b7174; }
.connection-button { position: absolute; right: 24px; bottom: 24px; display: inline-flex; min-width: 174px; min-height: 64px; align-items: center; justify-content: center; gap: 9px; padding: 0 17px; border: 0; border-radius: 10px; background: var(--pink); color: #302127; cursor: pointer; }.connection-button span { font-size: 19px; }.connection-button b { font-size: 16px; }.connection-button small { color: #66464f; font-size: 12px; }.connection-button.is-connected { background: var(--pink-strong); }.connection-button.is-connected span { transform: rotate(90deg); }

.plans-section { padding: 100px max(22px, calc((100vw - var(--content)) / 2)); border-top: 1px solid var(--line); background: #1d191a; }.plans-section .section-heading { margin-bottom: 38px; }.plans-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }.plan-card { display: grid; min-height: 270px; grid-template-rows: auto 1fr auto auto; padding: 25px; border: 1px solid #362f31; border-radius: 9px; background: #171415; }.plan-card.is-featured { border-color: var(--pink); background: #292123; }.plan-card > div { display: flex; align-items: center; justify-content: space-between; gap: 12px; }.plan-name { margin: 0; font-size: 23px; font-weight: 850; }.plan-card > div span { padding: 3px 8px; border-radius: 99px; background: #51474a; color: #e8d5d9; font-size: 12px; }.plan-card > strong { align-self: center; color: var(--pink); font-size: 34px; }.plan-price { margin: 0; font-size: 28px; font-weight: 850; }.plan-price small { color: var(--muted); font-size: 14px; font-weight: 600; }.plan-card a { display: inline-flex; min-height: 37px; align-items: center; justify-content: center; margin-top: 16px; border-radius: 99px; background: var(--pink); color: #332227; font-size: 14px; font-weight: 800; }.plan-card a:hover { background: #fff0f4; }

.download-section { display: grid; grid-template-columns: minmax(250px, .85fr) minmax(440px, 1.15fr); gap: clamp(48px, 7vw, 100px); max-width: var(--content); margin: 0 auto; padding: 105px 22px; }.download-copy img { margin-bottom: 30px; border-radius: 50%; box-shadow: 0 14px 32px var(--shadow); }.download-list { border-top: 1px solid var(--line); }.download-row { display: flex; min-height: 120px; align-items: center; justify-content: space-between; gap: 20px; padding: 19px 0; border-bottom: 1px solid var(--line); }.download-row:hover { padding-right: 8px; padding-left: 8px; color: var(--pink); }.download-row b { display: block; font-size: 22px; }.download-row small { display: block; margin-top: 4px; color: var(--muted); font-size: 13px; }.download-row em { min-width: 116px; font-size: 14px; font-style: normal; font-weight: 800; text-align: right; }

.support-section { max-width: var(--content); margin: 0 auto; padding: 100px 22px; border-top: 1px solid var(--line); }.support-section .section-heading { margin-bottom: 38px; }.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }.faq-grid details { border: 1px solid var(--line); border-radius: 9px; background: var(--surface); }.faq-grid summary { min-height: 80px; padding: 25px; cursor: pointer; font-size: 16px; font-weight: 800; }.faq-grid p { margin: 0; padding: 0 25px 24px; color: var(--muted); }
.site-footer { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 24px; max-width: var(--content); margin: 0 auto; padding: 34px 22px 45px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }.footer-brand { display: flex; align-items: center; gap: 10px; color: var(--text); }.site-footer p { margin: 0; }

.announcement-dialog { width: min(550px, calc(100vw - 32px)); padding: 0; border: 1px solid var(--line); border-radius: 12px; background: #272123; color: var(--text); box-shadow: 0 30px 90px rgba(0,0,0,.6); }.announcement-dialog::backdrop { background: rgba(0,0,0,.72); backdrop-filter: blur(6px); }.dialog-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding: 26px 26px 14px; }.dialog-head h2 { margin: 0; font-size: 24px; }.announcement-dialog > p { margin: 0; padding: 0 26px 19px; color: #d7c9cc; }.announcement-dialog .dialog-note { margin: 0 26px 26px; padding: 13px; border-radius: 7px; background: #1b1718; color: var(--muted); font-size: 13px; }
.toast { position: fixed; z-index: 90; right: 20px; bottom: 20px; max-width: min(340px, calc(100vw - 40px)); padding: 12px 16px; border: 1px solid #527f68; border-radius: 7px; background: #193326; color: #d8ffe8; box-shadow: 0 18px 48px var(--shadow); opacity: 0; pointer-events: none; transform: translateY(8px); transition: opacity 160ms ease, transform 160ms ease; }.toast.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1040px) { .console-grid { grid-template-columns: 1fr 1fr; grid-template-areas: "nodes nodes" "announce traffic" "network plan" "check donut" "mode mode"; }.mode-panel { min-height: 130px; }.traffic-panel { min-height: 130px; }.traffic-chart { height: 80px; }.plans-grid { grid-template-columns: 1fr 1fr; }.plan-card:last-child { grid-column: 1 / -1; }.download-section { grid-template-columns: 1fr; }.download-copy { display: grid; grid-template-columns: auto 1fr; column-gap: 24px; align-items: center; }.download-copy img { grid-row: span 3; margin: 0; }.download-copy .eyebrow { margin: 0; } }
@media (max-width: 760px) { .site-header { gap: 11px; min-height: 64px; padding: 10px 14px; }.brand span { display: none; }.menu-button { display: grid; width: 42px; height: 42px; padding: 10px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface); place-content: center; gap: 4px; cursor: pointer; }.menu-button span { display: block; width: 18px; height: 2px; background: var(--text); }.site-nav { position: absolute; top: 64px; left: 12px; right: 12px; display: none; padding: 8px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface); box-shadow: 0 18px 45px var(--shadow); }.site-nav.is-open { display: grid; }.site-nav a { padding: 11px; }.header-cta { padding: 0 12px; font-size: 13px; }.hero { min-height: 690px; }.hero-visual { width: 100%; opacity: .48; }.hero-scrim { width: 100%; background: rgba(18, 15, 16, .78); clip-path: none; }.hero-content { justify-content: flex-end; padding: 75px 20px 83px; }.hero h1 { font-size: clamp(44px, 13vw, 62px); }.hero-actions { width: 100%; flex-direction: column; }.button { width: 100%; }.hero-caption { right: 20px; bottom: 24px; }.platform-strip { grid-template-columns: 1fr 1fr; gap: 16px 0; padding: 22px 14px; }.platform-strip span:nth-child(3) { border-left: 0; }.console-section, .support-section { padding: 72px 15px; }.console-frame { grid-template-columns: 66px minmax(0, 1fr); min-height: 0; }.console-nav { padding: 10px 5px; }.console-brand { width: 48px; height: 48px; }.console-nav-item { min-height: 56px; }.console-nav-item b { display: none; }.console-main { padding: 18px 13px 96px; }.console-title { font-size: 23px; }.console-status { font-size: 11px; }.console-grid { grid-template-columns: 1fr; grid-template-areas: "nodes" "announce" "traffic" "network" "plan" "mode" "check" "donut"; }.node-panel { min-height: 220px; }.node-row { grid-template-columns: 25px minmax(0, 1fr) auto; }.node-row b { font-size: 12px; }.traffic-panel { min-height: 150px; }.traffic-chart { height: 95px; }.connection-button { right: 13px; bottom: 16px; min-width: 152px; min-height: 56px; }.plans-section { padding: 72px 15px; }.plans-grid, .faq-grid { grid-template-columns: 1fr; }.plan-card:last-child { grid-column: auto; }.download-section { padding: 74px 18px; }.download-copy { display: block; }.download-copy img { margin: 0 0 24px; }.download-row { min-height: 104px; }.download-row b { font-size: 19px; }.download-row em { min-width: 92px; font-size: 12px; }.site-footer { grid-template-columns: 1fr; padding: 28px 18px 40px; }.faq-grid summary { min-height: 72px; padding: 22px; }.faq-grid p { padding: 0 22px 22px; } }