:root {
  --sage: #F3F8F2;
  --sage-2: #E6F1E7;
  --white: #FFFFFF;
  --forest: #12372A;
  --forest-2: #1D4A39;
  --muted: #4E6A5D;
  --line: #D3E3D6;

  --green: #1F9D6B;
  --mint: #7BE0A8;
  --mint-soft: #E2F6EA;
  --coral: #FF7A59;
  --coral-ink: #C44A2C;
  --butter: #FFD873;
  --butter-soft: #FFF4CC;

  --display: "Bricolage Grotesque", "Figtree", system-ui, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --sans: "Figtree", system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius: 24px;
  --pop: 6px 6px 0 var(--forest);
  --pop-soft: 6px 6px 0 rgba(18, 55, 42, .12);
  --max: 1160px;
  --gutter: clamp(16px, 4vw, 40px);

  /* 作业本横线 */
  --ruled: repeating-linear-gradient(to bottom, transparent 0 31px, rgba(31, 157, 107, .13) 31px 32px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--sage);
  color: var(--forest);
  font: 400 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.08; font-family: var(--display); font-weight: 800; letter-spacing: -.03em; }
h1, h2 { text-wrap: balance; }
h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -.015em; }
:lang(zh) h1, :lang(zh) h2 { letter-spacing: 0; line-height: 1.25; }
p, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

.skip {
  position: absolute; left: -999px; top: 8px;
  background: var(--forest); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100;
}
.skip:focus { left: 8px; }
:focus-visible { outline: 2.5px solid var(--coral); outline-offset: 3px; border-radius: 8px; }

/* 标题里的强调：荧光笔划线 */
h2 em {
  font-style: normal;
  background: linear-gradient(transparent 58%, var(--mint) 58%, var(--mint) 92%, transparent 92%);
  padding: 0 .08em; margin: 0 -.08em;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}

/* 待补内容：醒目占位，上线前全部替换 */
.ph {
  display: block; position: relative;
  margin-top: 14px; padding: 10px 12px 10px 64px;
  border: 1.5px dashed var(--coral); border-radius: 12px;
  background: rgba(255, 122, 89, .08);
  color: var(--coral-ink); font-size: .9rem; line-height: 1.45;
}
.ph::before {
  content: "TBD"; position: absolute; left: 10px; top: 10px;
  padding: 3px 6px; border-radius: 6px;
  background: var(--coral); color: #fff;
  font: 500 .64rem/1.1 var(--mono); letter-spacing: .06em;
}
:lang(zh) .ph::before { content: "待补"; }
.ph--inline { display: inline-block; margin-top: 0; padding: 2px 8px 2px 50px; font-size: .82rem; }
.ph--inline::before { left: 5px; top: 50%; transform: translateY(-50%); padding: 2px 5px; font-size: .58rem; }
.ph--lg { padding: 18px 20px 18px 76px; font-size: 1.05rem; }
.ph--lg::before { left: 18px; top: 19px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px;
  font: 700 .98rem/1 var(--sans); text-decoration: none; cursor: pointer;
  border: 1.5px solid var(--forest);
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease, color .15s ease;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--forest); }
.btn:active { transform: none; box-shadow: none; }
.btn--small { padding: 10px 18px; font-size: .9rem; }
.btn--primary { background: var(--forest); color: #fff; }
.btn--primary:hover { background: var(--green); }
.btn--outline { background: var(--white); color: var(--forest); }
.btn--light { background: #fff; color: var(--forest); border-color: #fff; }
.btn--ghostlight { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .7); }
.btn--ghostlight:hover { background: rgba(255, 255, 255, .12); }
.btn.is-disabled { opacity: .5; cursor: not-allowed; pointer-events: none; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(243, 248, 242, .85);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1.5px solid transparent;
  transition: border-color .2s ease;
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav__inner { display: flex; align-items: center; gap: 24px; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; white-space: nowrap; }
.brand__name { font: 800 1.2rem/1 var(--display); letter-spacing: -.02em; }
.brand__name b { font-weight: 800; color: var(--green); }
.nav__links { display: flex; gap: 30px; margin-left: auto; }
.nav__links a { position: relative; text-decoration: none; font-size: .95rem; font-weight: 600; color: var(--muted); transition: color .15s; }
.nav__links a:hover, .nav__links a.is-active { color: var(--forest); }
.nav__links a.is-active::after {
  content: ""; position: absolute; left: -2px; right: -2px; bottom: -8px; height: 6px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 6' preserveAspectRatio='none'%3E%3Cpath d='M1 4C8 1 14 1 20 3s13 2 19-1' fill='none' stroke='%23FF7A59' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center/100% 100% no-repeat;
}
.nav__actions { display: flex; align-items: center; gap: 12px; }

.lang { display: inline-flex; border: 1.5px solid var(--forest); border-radius: 999px; padding: 3px; background: var(--white); }
.lang button {
  border: 0; background: transparent; color: var(--muted);
  font: 500 .76rem/1 var(--mono);
  padding: 7px 11px; border-radius: 999px; cursor: pointer;
}
.lang button[aria-pressed="true"] { background: var(--forest); color: #fff; }

.nav__toggle { display: none; width: 42px; height: 42px; border: 1.5px solid var(--forest); border-radius: 50%; background: var(--white); cursor: pointer; padding: 0 11px; }
.nav__toggle span { display: block; height: 2px; background: var(--forest); border-radius: 2px; transition: transform .2s; }
.nav__toggle span + span { margin-top: 5px; }
.nav__toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

.mobile-menu { border-top: 1.5px solid var(--line); padding: 8px var(--gutter) 16px; display: grid; background: var(--sage); }
.mobile-menu[hidden] { display: none; }
.mobile-menu a { padding: 13px 0; text-decoration: none; font-weight: 600; border-bottom: 1px dashed var(--line); }
.mobile-menu a:last-child { border-bottom: 0; }

/* ---------- Shared ---------- */
.sticker {
  display: inline-block; transform: rotate(-3deg);
  padding: 7px 14px; border-radius: 999px; border: 1.5px solid var(--forest);
  font: 500 .78rem/1.2 var(--mono); letter-spacing: .04em; text-transform: uppercase;
  box-shadow: 3px 3px 0 var(--forest);
}
.sticker--coral { background: var(--coral); color: #fff; }

.kicker {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 16px;
  font: 500 .8rem/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--green);
}
.kicker::before { content: ""; width: 22px; height: 2px; border-radius: 2px; background: var(--coral); }
.kicker--light { color: var(--mint); }

.section { position: relative; padding: clamp(76px, 10vw, 120px) 0; }
.section--white { background: var(--white); }
.section--sage { background: var(--sage); }
.section__head { max-width: 700px; margin-bottom: clamp(36px, 5vw, 56px); }
.section__head h2, .team__copy h2, .contact h2 { font-size: clamp(2rem, 4vw, 3rem); }
.section__lead { color: var(--muted); font-size: 1.08rem; margin-top: 16px; }

.badge { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; border: 1.5px solid var(--forest); color: var(--forest); }
.badge svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.badge--green { background: var(--mint); }
.badge--coral { background: var(--coral); color: #fff; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: clamp(40px, 6vw, 80px) 0 clamp(48px, 6vw, 72px); }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: var(--ruled);
  -webkit-mask-image: linear-gradient(to bottom, #000 40%, transparent);
  mask-image: linear-gradient(to bottom, #000 40%, transparent);
}
/* 作业本左侧红色页边线 */
.hero::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: max(20px, calc(50% - var(--max) / 2 - 8px));
  width: 2px; background: rgba(255, 122, 89, .35); pointer-events: none;
}
.blob { position: absolute; pointer-events: none; fill: currentColor; }
.blob--a { width: 620px; right: -160px; top: -180px; color: var(--mint-soft); }
.blob--b { width: 360px; right: 6%; bottom: -230px; color: var(--butter-soft); }

.hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.hero h1 { margin-top: 26px; font-size: clamp(3rem, 7.4vw, 6rem); line-height: .98; letter-spacing: -.045em; }
:lang(zh) .hero h1 { line-height: 1.12; letter-spacing: 0; }
.scribble { position: relative; display: inline-block; color: var(--green); }
.scribble svg {
  position: absolute; left: -2%; bottom: -.12em; width: 104%; height: .26em; overflow: visible;
  fill: none; stroke: var(--coral); stroke-width: 5; stroke-linecap: round;
}
.scribble path { stroke-dasharray: 320; stroke-dashoffset: 320; animation: draw 1s .4s ease-out forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.lead { font-size: clamp(1.05rem, 1.4vw, 1.2rem); color: var(--muted); margin-top: 26px; max-width: 32em; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

/* 首屏插画：AI 和 ed 绕着"+"转 */
.orbit { position: relative; width: 100%; max-width: 480px; aspect-ratio: 1; margin: 0 auto; }
.orbit__ring { position: absolute; border-radius: 50%; border: 1.5px dashed rgba(18, 55, 42, .28); }
.orbit__ring--1 { inset: 6%; animation: spin 60s linear infinite; }
.orbit__ring--2 { inset: 24%; border-style: solid; border-color: rgba(31, 157, 107, .3); }
@keyframes spin { to { transform: rotate(360deg); } }
.orbit__core {
  position: absolute; left: 50%; top: 50%; width: 30%; aspect-ratio: 1; transform: translate(-50%, -50%) rotate(-6deg);
  border-radius: 30%; background: var(--forest); box-shadow: 8px 8px 0 var(--mint);
  display: grid; place-items: center;
}
.orbit__core svg { width: 62%; fill: none; stroke: var(--mint); stroke-width: 6; stroke-linecap: round; }
.orbit__item {
  position: absolute; display: grid; place-items: center;
  width: 17%; aspect-ratio: 1; border-radius: 50%; border: 1.5px solid var(--forest);
  font: 800 clamp(1.1rem, 2.4vw, 1.6rem)/1 var(--display); box-shadow: 4px 4px 0 var(--forest);
  animation: bob 4s ease-in-out infinite;
}
.orbit__item--ai { left: 4%; top: 22%; background: var(--coral); color: #fff; }
.orbit__item--ed { right: 6%; bottom: 18%; background: var(--butter); color: var(--forest); animation-delay: -2s; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.orbit__tag {
  position: absolute; display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px; border-radius: 999px; border: 1.5px solid var(--forest); background: #fff;
  font: 500 .82rem/1 var(--mono); text-decoration: none; color: var(--forest);
  box-shadow: 3px 3px 0 var(--forest);
}
.orbit__tag i { width: 9px; height: 9px; border-radius: 50%; }
.orbit__tag--caimil { right: 4%; top: 10%; transform: rotate(4deg); }
.orbit__tag--caimil i { background: linear-gradient(135deg, #2F6BFF, #2DD4A7); }
.orbit__tag--tlif { left: 10%; bottom: 8%; transform: rotate(-5deg); background: var(--mint-soft); }
.orbit__tag--tlif i { background: var(--green); }
.orbit__note {
  position: absolute; left: 0; top: 3%; transform: rotate(-5deg);
  padding: 10px 14px 9px; background: var(--butter-soft); border-radius: 4px;
  font: 500 .8rem/1 var(--mono); color: var(--forest);
  box-shadow: 0 6px 14px -8px rgba(18, 55, 42, .4);
}
/* 胶带 */
.orbit__note::before {
  content: ""; position: absolute; left: 50%; top: -8px; width: 42px; height: 14px; transform: translateX(-50%) rotate(-4deg);
  background: rgba(123, 224, 168, .7);
}
.spark { position: absolute; width: 22px; fill: var(--coral); animation: twinkle 3s ease-in-out infinite; }
.spark--1 { left: 48%; top: 3%; }
.spark--2 { right: 22%; bottom: 2%; width: 16px; fill: var(--green); animation-delay: -1s; }
.spark--3 { left: 0; bottom: 34%; width: 14px; fill: #E9B730; animation-delay: -2s; }
@keyframes twinkle { 0%, 100% { transform: scale(1) rotate(0); } 50% { transform: scale(.7) rotate(20deg); } }

.ticker {
  position: relative; z-index: 1;
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px;
  margin-top: clamp(32px, 5vw, 56px); padding-top: 22px; border-top: 1.5px dashed rgba(18, 55, 42, .25);
}
.ticker__k { font: 500 .76rem/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-right: 6px; }
.ticker a {
  display: inline-block; padding: 8px 16px; border-radius: 999px;
  border: 1.5px solid var(--forest); background: #fff;
  font: 700 .9rem/1 var(--display); letter-spacing: .02em; text-decoration: none;
  transition: background-color .15s;
}
.ticker a:hover { background: var(--mint); }

/* ---------- About ---------- */
.pillars { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card {
  position: relative; border-radius: var(--radius); padding: 30px;
  border: 1.5px solid var(--forest); box-shadow: var(--pop-soft);
  display: flex; flex-direction: column; align-items: flex-start;
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translate(-3px, -3px); box-shadow: var(--pop); }
.card--mint { background: var(--mint-soft); }
.card--butter { background: var(--butter-soft); }
.card__num { position: absolute; right: 26px; top: 26px; font: 500 .82rem/1 var(--mono); color: var(--muted); }
.card h3 { margin: 22px 0 10px; font-size: 1.4rem; }
.card > p:not(.ph) { color: var(--forest-2); }
.card .ph { align-self: stretch; }
.arrow-link { margin-top: 18px; font-weight: 700; color: var(--forest); text-decoration: none; border-bottom: 2px solid var(--coral); }
.arrow-link:hover { color: var(--coral-ink); }

.mission {
  margin-top: 24px; padding: 26px 30px; border-radius: var(--radius);
  border: 1.5px dashed rgba(18, 55, 42, .35); background: var(--sage);
  display: grid; grid-template-columns: 180px 1fr; gap: 20px; align-items: center;
}
.mission__label { font: 800 1.25rem/1.2 var(--display); }
.mission .ph { margin-top: 0; }

/* ---------- Products（墨绿版块） ---------- */
.section--forest { background: var(--forest); color: #fff; overflow: hidden; }
.section--forest::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: repeating-linear-gradient(to bottom, transparent 0 39px, rgba(255, 255, 255, .05) 39px 40px);
}
.section--forest::after {
  content: ""; position: absolute; width: 520px; height: 520px; right: -160px; top: -200px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(123, 224, 168, .22), transparent); pointer-events: none;
}
.section--forest .wrap { position: relative; z-index: 1; }
.section--forest h2 em { background: none; color: var(--butter); }
.section--forest .section__lead { color: rgba(255, 255, 255, .7); }

.products { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.product {
  position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 18px;
  border-radius: 28px; padding: 32px; color: var(--forest);
  box-shadow: 8px 8px 0 #0A2219;
  transition: transform .2s ease, box-shadow .2s ease;
}
.product:hover { transform: translate(-3px, -3px); box-shadow: 11px 11px 0 #0A2219; }
.product--caimil { background: #fff; }
.product--tlif { background: var(--butter-soft); }
.product__head { display: flex; align-items: center; gap: 16px; padding-right: 110px; }
.product__head h3 { font-size: 1.7rem; }
.product__url { font: 500 .8rem/1.6 var(--mono); color: var(--muted); }
.product__logo { flex: none; width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; }
.product__logo svg { width: 56px; height: 56px; }
.product__logo--tlif { background: var(--green); color: #fff; font: 800 1.6rem/1 var(--display); border: 1.5px solid var(--forest); }
/* 印章式状态 */
.product__stamp {
  position: absolute; right: 24px; top: 26px; transform: rotate(8deg);
  padding: 6px 10px; border: 2px solid var(--green); border-radius: 8px;
  font: 500 .7rem/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--green);
}
.product__stamp--soon { border-color: var(--coral); color: var(--coral-ink); transform: rotate(-6deg); }
.product__desc { color: var(--forest-2); }
.product__desc.ph { align-self: stretch; margin-top: 0; }
.product__list { display: grid; gap: 8px; }
.product__list li { position: relative; padding-left: 26px; font-weight: 500; }
.product__list li::before {
  content: ""; position: absolute; left: 0; top: .32em; width: 17px; height: 17px; border-radius: 50%;
  background: var(--mint) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.3l2.2 2.2 4.8-5' fill='none' stroke='%2312372A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/13px no-repeat;
}
.product__list--ph li.ph { padding-left: 50px; }
.product__list--ph li.ph::before {
  content: "TBD"; left: 5px; top: 50%; width: auto; height: auto; transform: translateY(-50%);
  background: var(--coral); border-radius: 5px; padding: 2px 5px; color: #fff; font: 500 .58rem/1.1 var(--mono);
}
:lang(zh) .product__list--ph li.ph::before { content: "待补"; }
.product .btn { margin-top: auto; }

/* ---------- Team：校园卡 ---------- */
.team { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.idcard {
  position: relative; max-width: 560px; justify-self: center; width: 100%;
  background: #fff; border: 1.5px solid var(--forest); border-radius: 22px; overflow: hidden;
  box-shadow: var(--pop); transform: rotate(-1.5deg);
  transition: transform .25s ease;
}
.idcard:hover { transform: rotate(0); }
.idcard__strip {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 22px; background: var(--green); color: #fff; border-bottom: 1.5px solid var(--forest);
}
.idcard__org { display: inline-flex; align-items: center; gap: 8px; font: 800 .98rem/1 var(--display); }
.idcard__type { font: 500 .72rem/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; opacity: .85; }
.idcard__body { display: grid; grid-template-columns: 128px 1fr; gap: 24px; padding: 24px 22px 20px; }
.idcard__photo {
  position: relative; aspect-ratio: 4 / 5; border-radius: 14px; overflow: hidden; border: 1.5px solid var(--forest);
  display: grid; place-items: center;
  background: linear-gradient(160deg, var(--mint), var(--green));
  color: #fff; font: 800 1.6rem/1 var(--display);
}
.idcard__photo img { width: 100%; height: 100%; object-fit: cover; }
.idcard__info { min-width: 0; }
.idcard h3 { font-size: 1.6rem; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.idcard__alt { font: 600 1rem/1 var(--sans); color: var(--muted); }
.idcard__fields { display: grid; gap: 14px; margin: 16px 0 18px; }
.idcard__fields dt { font: 500 .7rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
.idcard__fields dd { margin-top: 6px; }
.idcard__barcode {
  height: 34px; margin: 0 22px 18px;
  background: repeating-linear-gradient(90deg, var(--forest) 0 2px, transparent 2px 5px, var(--forest) 5px 6px, transparent 6px 10px, var(--forest) 10px 13px, transparent 13px 15px);
  opacity: .8; border-radius: 2px;
}

/* ---------- Contact ---------- */
.contact {
  position: relative; overflow: hidden; text-align: center;
  display: flex; flex-direction: column; align-items: center;
  padding: clamp(48px, 7vw, 88px) clamp(20px, 5vw, 64px);
  border-radius: 36px; border: 1.5px solid var(--forest);
  background: var(--green); color: #fff; box-shadow: var(--pop);
}
.contact::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: repeating-linear-gradient(to bottom, transparent 0 31px, rgba(255, 255, 255, .09) 31px 32px);
}
.contact > * { position: relative; }
.contact h2 { max-width: 15em; }
.contact h2 em { background: none; color: var(--butter); }
.contact .kicker { color: #fff; }
.contact .kicker::before { background: var(--butter); }
.contact__lead { margin-top: 16px; max-width: 34em; color: rgba(255, 255, 255, .88); font-size: 1.08rem; }
.contact__addr {
  margin-top: 30px; font: 800 clamp(1.4rem, 3.4vw, 2.3rem)/1.2 var(--display); letter-spacing: -.02em;
  text-decoration: underline wavy var(--butter) 2px; text-underline-offset: 8px; overflow-wrap: anywhere;
}
.contact__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 30px; }
.contact__note { margin-top: 26px; color: rgba(255, 255, 255, .85); font-size: .95rem; }
.contact__note a { color: #fff; font-weight: 700; }
.contact__plane {
  position: absolute; right: clamp(16px, 5vw, 64px); top: clamp(18px, 4vw, 40px);
  width: clamp(48px, 7vw, 76px); fill: none; stroke: #fff; stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round;
  transform: rotate(-8deg); opacity: .9;
}

/* ---------- Footer ---------- */
.footer { background: var(--white); color: var(--muted); padding: 36px 0 44px; font-size: .92rem; }
.footer__inner { display: grid; grid-template-columns: auto 1fr auto auto; gap: 16px 32px; align-items: center; }
.brand--footer .brand__name { color: var(--forest); font-size: 1.05rem; }
.footer__links { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.footer__links a { text-decoration: none; font-weight: 500; }
.footer__links a:hover { color: var(--forest); text-decoration: underline wavy var(--coral); }
.footer__copy { font: 400 .8rem/1 var(--mono); }

/* ---------- 404 ---------- */
.notfound { min-height: 100vh; display: grid; align-items: center; }
.notfound__inner { position: relative; z-index: 1; width: 100%; }
.notfound__code {
  margin-top: 56px; display: inline-block; transform: rotate(-3deg);
  font: 800 clamp(5rem, 16vw, 9rem)/1 var(--display); letter-spacing: -.05em; color: var(--green);
  text-shadow: 6px 6px 0 var(--mint);
}
.notfound h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); margin-top: 16px; }

/* ---------- Reveal ---------- */
/* 只有 JS 跑起来才隐藏，避免脚本失败时内容看不见；用 translate 属性，不和卡片自身的 transform 冲突 */
.js .reveal { opacity: 0; translate: 0 18px; transition: opacity .6s ease, translate .6s ease, transform .25s ease, box-shadow .2s ease; }
.js .reveal.is-in { opacity: 1; translate: 0 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .nav__links { display: none; }
  .nav__toggle { display: block; }
  .nav__actions { margin-left: auto; }
  .hero__grid, .team { grid-template-columns: 1fr; }
  .orbit { max-width: 420px; }
  .footer__inner { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav__actions .btn { display: none; }
  .hero::after { display: none; }
  .blob--a { width: 420px; right: -200px; top: -120px; }
  .pillars, .products { grid-template-columns: 1fr; }
  .card, .product { padding: 24px 22px; }
  .product__head { padding-right: 0; padding-top: 30px; }
  .product__stamp { top: 20px; right: 20px; }
  .mission { grid-template-columns: 1fr; gap: 12px; padding: 22px; }
  .idcard__body { grid-template-columns: 96px 1fr; gap: 16px; padding: 20px 18px 16px; }
  .idcard h3 { font-size: 1.35rem; }
  .idcard__barcode { margin: 0 18px 16px; }
  .hero__cta .btn { flex: 1 1 auto; }
  .contact { border-radius: 28px; }
  .contact__actions .btn { flex: 1 1 auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .scribble path { stroke-dashoffset: 0; }
  .js .reveal { opacity: 1; translate: 0 0; }
}