:root {
  color-scheme: dark;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: #eaf8f5;
  background: #071b25;
  --ink: #eaf8f5;
  --muted: #9bbdbb;
  --dim: #6f9193;
  --line: rgb(150 218 211 / .2);
  --teal: #69ded2;
  --coral: #ff806c;
  --deep: #071b25;
  --panel: rgb(8 34 44 / .88);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { min-width: 320px; margin: 0; background: var(--deep); }
body, button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.official-page { position: relative; min-height: 100vh; overflow-x: hidden; overflow-y: auto; background: var(--deep); }
.official-backdrop { position: fixed; z-index: 0; inset: 0; background: #071b25 url('/assets/login-concept-b.webp?v=20260911.1') center / cover no-repeat; opacity: .18; pointer-events: none; }
.official-backdrop::after { position: absolute; inset: 0; background: rgb(3 16 24 / .78); content: ''; }
.official-header, main, .official-footer { position: relative; z-index: 1; }
.official-header { display: flex; align-items: center; justify-content: space-between; width: min(1240px, calc(100% - 72px)); min-height: 88px; margin: 0 auto; border-bottom: 1px solid var(--line); }
.official-brand { display: inline-flex; align-items: center; gap: 12px; white-space: nowrap; }
.official-brand-mark { display: block; width: 35px; height: 35px; object-fit: contain; filter: drop-shadow(0 0 12px rgb(93 226 214 / .32)); }
.official-brand-copy { display: grid; gap: 3px; }
.official-brand-copy strong { color: var(--ink); font-size: 19px; letter-spacing: .2px; }
.official-brand-copy small { color: var(--dim); font-size: 9px; letter-spacing: 1.4px; }
.official-nav { display: flex; align-items: center; gap: 29px; color: #accbc8; font-size: 13px; font-weight: 700; }
.official-nav a:not(.official-nav-login), .official-text-link { transition: color .16s ease; }
.official-nav a:not(.official-nav-login):hover, .official-text-link:hover { color: var(--teal); }
.official-nav-login { display: inline-flex; align-items: center; gap: 8px; border: 1px solid rgb(105 222 210 / .45); padding: 10px 14px; color: #e4fffa; background: rgb(52 143 143 / .18); }
.official-nav-login:hover { border-color: var(--teal); background: rgb(81 195 185 / .28); }
.official-menu-toggle { display: none; border: 1px solid var(--line); padding: 8px 10px; color: var(--teal); background: transparent; cursor: pointer; }
.official-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(390px, .78fr); align-items: center; gap: 82px; width: min(1240px, calc(100% - 72px)); min-height: 650px; margin: 0 auto; padding: 76px 0 88px; }
.official-hero-copy { max-width: 650px; }
.official-kicker { margin: 0 0 18px; color: var(--teal); font-size: 11px; font-weight: 800; letter-spacing: 2px; }
.official-hero h1 { margin: 0; color: var(--ink); font-family: Georgia, "Songti SC", serif; font-size: 72px; line-height: 1.08; font-weight: 700; letter-spacing: 0; }
.official-hero h1 em, .official-guide h2 em { color: var(--teal); font-style: normal; }
.official-hero-lead { max-width: 540px; margin: 28px 0 0; color: #b3d2ce; font-size: 16px; line-height: 1.9; }
.official-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 35px; }
.official-button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 46px; border: 1px solid transparent; padding: 11px 17px; font-size: 13px; font-weight: 800; transition: transform .16s ease, border-color .16s ease, background .16s ease, color .16s ease; }
.official-button:hover { transform: translateY(-2px); }
.official-button-primary { color: #062027; background: var(--teal); box-shadow: 0 12px 25px rgb(55 184 174 / .18); }
.official-button-primary:hover { background: #92ebe2; }
.official-button-quiet { border-color: rgb(164 221 215 / .3); color: #d5eeea; background: rgb(11 47 56 / .56); }
.official-button-quiet:hover { border-color: var(--teal); background: rgb(34 83 87 / .66); }
.official-button-outline { border-color: rgb(105 222 210 / .48); color: var(--teal); background: transparent; }
.official-button-outline:hover { color: #062027; background: var(--teal); }
.official-hero-status { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-top: 50px; color: var(--dim); font-size: 11px; }
.official-hero-status strong { color: #d7f1ed; font-size: 11px; }
.official-hero-status i { width: 1px; height: 13px; margin: 0 5px; background: var(--line); }
.official-status-light { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 11px rgb(105 222 210 / .8); }
.official-status-light.is-offline { background: var(--coral); box-shadow: 0 0 11px rgb(255 128 108 / .6); }
.official-hero-visual { position: relative; min-height: 470px; padding: 26px; border: 1px solid rgb(124 222 214 / .3); background: rgb(5 31 40 / .64); box-shadow: 0 20px 55px rgb(0 7 13 / .3), inset 0 0 0 1px rgb(255 255 255 / .04); }
.official-hero-visual::before, .official-hero-visual::after { position: absolute; width: 42px; height: 42px; border-color: var(--teal); content: ''; }
.official-hero-visual::before { top: -1px; left: -1px; border-top: 2px solid; border-left: 2px solid; }
.official-hero-visual::after { right: -1px; bottom: -1px; border-right: 2px solid; border-bottom: 2px solid; }
.official-visual-frame { position: relative; min-height: 418px; overflow: hidden; border: 1px solid rgb(137 211 203 / .26); background: #0a313a url('/assets/login-concept-b.webp?v=20260911.1') 27% center / auto 100% no-repeat; }
.official-visual-frame::after { position: absolute; inset: 0; background: rgb(4 28 37 / .48); content: ''; }
.official-visual-topline, .official-visual-content, .official-visual-stamp { position: absolute; z-index: 1; }
.official-visual-topline { top: 21px; right: 24px; left: 24px; display: flex; justify-content: space-between; color: #a9d4d0; font-size: 9px; letter-spacing: 1.5px; }
.official-visual-content { right: 26px; bottom: 56px; left: 26px; }
.official-visual-content p { margin: 0 0 13px; color: var(--teal); font-size: 12px; font-weight: 800; letter-spacing: 1px; }
.official-visual-content strong { color: #f3fffb; font-family: Georgia, "Songti SC", serif; font-size: 39px; line-height: 1.08; }
.official-visual-line { display: block; width: 84px; height: 2px; margin: 22px 0 15px; background: var(--coral); }
.official-visual-content small { color: #b1cfcc; font-size: 11px; }
.official-visual-stamp { top: 95px; right: 27px; display: grid; place-items: center; width: 74px; height: 74px; border: 1px solid rgb(255 128 108 / .68); color: var(--coral); font-family: Georgia, serif; font-size: 21px; line-height: .9; transform: rotate(8deg); }
.official-visual-stamp small { font-family: "Microsoft YaHei", Arial, sans-serif; font-size: 7px; letter-spacing: .5px; }
.official-visual-caption { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; color: var(--dim); font-size: 9px; letter-spacing: 1px; }
.official-visual-caption span:first-child { color: var(--teal); font-size: 14px; }
.official-visual-caption p { margin: 0; color: #b3d2cf; font-size: 11px; letter-spacing: 0; }
.official-section { width: min(1240px, calc(100% - 72px)); margin: 0 auto; padding: 106px 0; }
.official-section-heading { max-width: 590px; }
.official-section-heading h2, .official-support h2 { margin: 0; color: var(--ink); font-family: Georgia, "Songti SC", serif; font-size: 41px; line-height: 1.2; letter-spacing: 0; }
.official-section-heading > p:last-child { margin: 19px 0 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.official-products { border-top: 1px solid var(--line); }
.official-product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 46px; }
.official-product-tile { position: relative; min-height: 265px; border: 1px solid var(--line); padding: 24px; background: rgb(7 32 42 / .72); transition: border-color .18s ease, background .18s ease, transform .18s ease; }
.official-product-tile:hover { border-color: rgb(105 222 210 / .68); background: rgb(11 52 61 / .84); transform: translateY(-5px); }
.official-product-featured { border-color: rgb(105 222 210 / .52); background: rgb(8 46 53 / .85); }
.official-product-featured::before { position: absolute; top: 0; right: 0; width: 26px; height: 2px; background: var(--coral); content: ''; }
.official-tile-index { position: absolute; top: 25px; right: 25px; color: #668b8e; font-size: 11px; letter-spacing: 1px; }
.official-product-icon { display: grid; place-items: center; width: 43px; height: 43px; border: 1px solid rgb(105 222 210 / .42); color: var(--teal); background: rgb(105 222 210 / .08); font-size: 20px; }
.official-product-tile h3 { margin: 30px 0 0; color: #e6f8f4; font-size: 18px; }
.official-product-tile p { min-height: 44px; margin: 10px 0 0; color: #91b4b1; font-size: 13px; line-height: 1.7; }
.official-tile-link { position: absolute; right: 24px; bottom: 23px; color: var(--teal); font-size: 12px; font-weight: 800; }
.official-tile-link b { margin-left: 8px; font-size: 16px; font-weight: 400; }
.official-activities { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; border-top: 1px solid var(--line); }
.official-section-heading-row { display: flex; flex-direction: column; justify-content: space-between; min-height: 335px; }
.official-text-link { color: var(--teal); font-size: 12px; font-weight: 800; }
.official-service-list { border-top: 1px solid var(--line); }
.official-service-row { display: grid; grid-template-columns: 48px minmax(0, 1fr) 26px; align-items: center; gap: 18px; min-height: 84px; border-bottom: 1px solid var(--line); transition: padding .18s ease, background .18s ease; }
.official-service-row:hover { padding-right: 10px; padding-left: 10px; background: rgb(11 51 59 / .52); }
.official-service-row-premium { border-color: rgb(137 203 150 / .27); }
.official-service-number { color: var(--teal); font-family: Georgia, serif; font-size: 21px; }
.official-service-row span:nth-child(2) { display: grid; gap: 5px; }
.official-service-row strong { color: #e1f7f3; font-size: 15px; }
.official-service-row small { color: #789a9b; font-size: 12px; }
.official-service-row > b { color: var(--teal); font-size: 20px; font-weight: 400; text-align: right; }
.official-guide { display: grid; grid-template-columns: .9fr 1.1fr; gap: 95px; border-top: 1px solid var(--line); }
.official-guide-intro > p:not(.official-kicker) { max-width: 360px; margin: 20px 0 30px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.official-guide h2 { margin: 0; color: var(--ink); font-family: Georgia, "Songti SC", serif; font-size: 41px; line-height: 1.18; }
.official-guide-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.official-guide-list li { display: grid; grid-template-columns: 54px minmax(0, 1fr); gap: 19px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.official-guide-list li > span { color: var(--coral); font-size: 12px; font-weight: 800; letter-spacing: 1px; }
.official-guide-list strong { color: #e3f7f3; font-size: 15px; }
.official-guide-list p { margin: 7px 0 0; color: #87a8a7; font-size: 12px; line-height: 1.65; }
.official-support { display: grid; grid-template-columns: .72fr 1.28fr; gap: 80px; border-top: 1px solid var(--line); }
.official-support h2 { font-size: 37px; }
.official-support-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.official-support-item { position: relative; min-height: 165px; border: 1px solid var(--line); padding: 20px; background: rgb(8 34 44 / .7); transition: border-color .16s ease, background .16s ease; }
.official-support-item:hover { border-color: rgb(105 222 210 / .63); background: rgb(13 52 60 / .83); }
.official-support-item > span { color: var(--teal); font-size: 10px; font-weight: 800; letter-spacing: 1.4px; }
.official-support-item strong { display: block; max-width: 220px; margin-top: 22px; color: #e0f6f2; font-size: 14px; line-height: 1.5; }
.official-support-item small { display: block; max-width: 245px; margin-top: 8px; color: #789a9b; font-size: 11px; line-height: 1.55; }
.official-support-item b { position: absolute; right: 19px; bottom: 17px; color: var(--teal); font-size: 19px; font-weight: 400; }
.official-footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 25px; width: min(1240px, calc(100% - 72px)); min-height: 105px; margin: 0 auto; border-top: 1px solid var(--line); color: #789a9b; font-size: 11px; }
.official-footer-brand { display: flex; align-items: center; gap: 8px; }
.official-footer-brand .official-brand-mark { width: 24px; height: 24px; }
.official-footer-brand strong { color: #c9e4e0; font-size: 13px; }
.official-footer-brand small { padding-left: 8px; border-left: 1px solid var(--line); }
.official-footer-links { display: flex; gap: 18px; }
.official-footer-links a:hover { color: var(--teal); }
.official-footer p { margin: 0; text-align: right; }
@media (max-width: 940px) {
  .official-header, .official-hero, .official-section, .official-footer { width: min(100% - 42px, 700px); }
  .official-nav { gap: 17px; }
  .official-hero { grid-template-columns: 1fr; gap: 50px; padding-top: 60px; }
  .official-hero-copy { max-width: 100%; }
  .official-hero-visual { width: min(100%, 600px); }
  .official-product-grid { grid-template-columns: repeat(2, 1fr); }
  .official-activities, .official-guide, .official-support { grid-template-columns: 1fr; gap: 50px; }
  .official-section-heading-row { min-height: auto; gap: 30px; }
  .official-support-heading br { display: none; }
  .official-footer { grid-template-columns: 1fr 1fr; padding: 25px 0; }
  .official-footer p { grid-column: 1 / -1; text-align: left; }
}
@media (max-width: 680px) {
  .official-header { min-height: 72px; }
  .official-menu-toggle { display: block; }
  .official-nav { position: absolute; top: 72px; right: 0; left: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; border: 1px solid var(--line); padding: 8px; background: #092631; box-shadow: 0 18px 35px rgb(0 8 13 / .4); }
  .official-nav.is-open { display: flex; }
  .official-nav a { padding: 13px 12px; }
  .official-nav-login { justify-content: center; margin-top: 6px; }
  .official-hero { min-height: auto; padding: 55px 0 66px; }
  .official-hero h1 { font-size: 48px; }
  .official-hero-lead { font-size: 14px; }
  .official-hero-actions { display: grid; }
  .official-button { width: 100%; }
  .official-hero-status { margin-top: 32px; }
  .official-hero-visual { min-height: 360px; padding: 15px; }
  .official-visual-frame { min-height: 320px; background-position: 20% center; }
  .official-visual-content strong { font-size: 31px; }
  .official-visual-stamp { top: 72px; right: 20px; transform: scale(.8) rotate(8deg); }
  .official-visual-caption span:last-child { display: none; }
  .official-section { padding: 74px 0; }
  .official-section-heading h2, .official-guide h2 { font-size: 34px; }
  .official-product-grid, .official-support-grid { grid-template-columns: 1fr; }
  .official-product-tile { min-height: 235px; }
  .official-service-row { grid-template-columns: 35px minmax(0, 1fr) 22px; gap: 11px; }
  .official-service-row strong { font-size: 14px; }
  .official-service-row small { font-size: 11px; }
  .official-footer { display: flex; flex-wrap: wrap; gap: 18px; padding: 26px 0; }
  .official-footer-links { order: 3; width: 100%; flex-wrap: wrap; }
  .official-footer p { width: 100%; text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .official-button, .official-product-tile, .official-service-row, .official-support-item { transition: none; }
}

/* Corporate portal pass: stronger contrast, clearer sections, and a restrained Codework red accent. */
:root {
  color-scheme: light;
  color: #173840;
  background: #f3f5f7;
  --ink: #173840;
  --muted: #566171;
  --dim: #7d8794;
  --line: #d7dde5;
  --teal: #147b76;
  --coral: #e54535;
  --deep: #f3f5f7;
  --panel: #ffffff;
}
body { color: var(--ink); background: var(--deep); }
.official-page { background: var(--deep); }
.official-backdrop { opacity: .045; background-color: #f3f5f7; }
.official-backdrop::after { background: rgb(243 245 247 / .9); }
.official-header { border-bottom-color: #cfd6df; }
.official-brand-mark { filter: brightness(0) saturate(100%) invert(22%) sepia(19%) saturate(1130%) hue-rotate(145deg) brightness(88%) contrast(91%); }
.official-brand-copy strong { color: #173840; }
.official-brand-copy small { color: #7d8794; }
.official-nav { color: #3f4b59; }
.official-nav a:not(.official-nav-login):hover, .official-text-link:hover { color: var(--coral); }
.official-nav-login { border-color: #173f48; color: #ffffff; background: #173f48; box-shadow: 0 10px 22px rgb(23 63 72 / .14); }
.official-nav-login:hover { border-color: var(--coral); background: var(--coral); box-shadow: 0 10px 22px rgb(229 69 53 / .18); }
.official-menu-toggle { border-color: #cbd3dc; color: #173840; background: #ffffff; }
.official-hero { border-bottom: 1px solid #cfd6df; }
.official-kicker { color: var(--coral); }
.official-hero h1 { color: #17323a; }
.official-hero h1 em, .official-guide h2 em { color: var(--coral); }
.official-hero-lead { color: #53606e; }
.official-button-primary { color: #ffffff; background: var(--coral); box-shadow: 0 12px 25px rgb(229 69 53 / .2); }
.official-button-primary:hover { background: #c93629; }
.official-button-quiet { border-color: #173f48; color: #173f48; background: #ffffff; }
.official-button-quiet:hover { border-color: var(--coral); color: var(--coral); background: #ffffff; }
.official-button-outline { border-color: var(--coral); color: var(--coral); background: transparent; }
.official-button-outline:hover { color: #ffffff; background: var(--coral); }
.official-hero-status { color: #6c7784; }
.official-hero-status strong { color: #173840; }
.official-hero-status i { background: #cfd6df; }
.official-status-light { background: #1b9b72; box-shadow: 0 0 11px rgb(27 155 114 / .45); }
.official-status-light.is-offline { background: var(--coral); box-shadow: 0 0 11px rgb(229 69 53 / .45); }
.official-hero-visual {
  border: 1px solid #234a54 !important;
  background: #17343d;
  box-shadow: 0 22px 55px rgb(25 35 48 / .16), inset 0 0 0 1px rgb(255 255 255 / .05);
}
.official-hero-visual::before, .official-hero-visual::after {
  border-color: #e54535;
}
.official-visual-frame {
  border-color: #39616a;
  background-color: #21414a;
  background-position: center;
  background-size: 100% 100%;
}
.official-visual-frame::after { background: rgb(10 35 42 / .54); }
.official-visual-topline { color: #d8e1e8; }
.official-visual-content p { color: #ff8778; }
.official-visual-content strong { color: #ffffff; }
.official-visual-line { background: var(--coral); }
.official-visual-content small { color: #c0ccd5; }
.official-visual-stamp { border-color: #ff8778; color: #ff8778; }
.official-visual-caption { color: #8c9aa6; }
.official-visual-caption span:first-child { color: #ff8778; }
.official-visual-caption p { color: #d1dbe2; }
.official-section { border-color: #cfd6df; }
.official-section-heading h2, .official-support h2 { color: #173840; }
.official-section-heading > p:last-child, .official-guide-intro > p:not(.official-kicker) { color: #566171; }
.official-products, .official-support { background: #ffffff; box-shadow: 0 0 0 100vmax #ffffff; clip-path: inset(0 -100vmax); }
.official-product-grid { border-color: #cfd6df; }
.official-product-tile { border-color: #d2d9e1; background: #ffffff; box-shadow: 0 7px 18px rgb(32 45 61 / .04); }
.official-product-tile:hover { border-color: var(--coral); background: #ffffff; box-shadow: 0 14px 28px rgb(32 45 61 / .1); }
.official-product-featured { border: 2px solid var(--coral); background: #fff6f4; box-shadow: 0 10px 24px rgb(229 69 53 / .1); }
.official-product-featured h3 { color: #173840; }
.official-product-featured p { color: #596473; }
.official-product-featured .official-tile-index { color: #ff8778; }
.official-tile-index { color: #86919e; }
.official-product-icon { border-color: #cbd4dd; color: var(--coral); background: #fff5f3; }
.official-product-featured .official-product-icon { border-color: #f08c81; color: var(--coral); background: #ffffff; }
.official-product-tile h3 { color: #173840; }
.official-product-tile p { color: #637080; }
.official-tile-link { color: var(--coral); }
.official-activities, .official-guide { border-top-color: #cfd6df; }
.official-service-list, .official-guide-list { border-color: #cfd6df; }
.official-service-row { border-bottom-color: #d7dde5; }
.official-service-row:hover { background: #f7f8fa; }
.official-service-row-premium { border-color: #d5b2ad; }
.official-service-number, .official-service-row > b { color: var(--coral); }
.official-service-row strong, .official-guide-list strong { color: #173840; }
.official-service-row small, .official-guide-list p { color: #687585; }
.official-guide-list li { border-bottom-color: #d7dde5; }
.official-guide-list li > span { color: var(--coral); }
.official-support { border-top-color: #cfd6df; }
.official-support-item { border-color: #d2d9e1; background: #ffffff; box-shadow: 0 7px 18px rgb(32 45 61 / .04); }
.official-support-item:hover { border-color: var(--coral); background: #ffffff; box-shadow: 0 14px 28px rgb(32 45 61 / .1); }
.official-support-item > span, .official-support-item b { color: var(--coral); }
.official-support-item strong { color: #173840; }
.official-support-item small { color: #687585; }
.official-footer { border-top-color: #cfd6df; color: #687585; }
.official-footer-brand .official-brand-mark { filter: brightness(0) saturate(100%) invert(22%) sepia(19%) saturate(1130%) hue-rotate(145deg) brightness(88%) contrast(91%); }
.official-footer-brand strong { color: #173840; }
.official-footer-brand small { border-color: #cfd6df; }

@media (max-width: 680px) {
  .official-nav { border-color: #cfd6df; background: #ffffff; box-shadow: 0 18px 35px rgb(25 35 48 / .14); }
  .official-nav-login { color: #ffffff; background: #173f48; }
  .official-hero { border-bottom: 0; }
  .official-hero-visual { box-shadow: 0 15px 35px rgb(25 35 48 / .14); }
  .official-products, .official-support { box-shadow: none; clip-path: none; }
}