/* ============================================================
   Digital Wealth Society：冷静、稳重的私人银行 / 保险库风格
   蓝黑底 + 铂金灰点缀，居中排版，方形线框元素
   ============================================================ */

:root {
  --bg: #0b1017;
  --bg-2: #101722;
  --surface: #141c29;
  --ink: #e7eaef;
  --ink-2: #a2abb8;
  --ink-3: #6d7685;
  --accent: #cdd3dc;
  --warm: #bfae8a;
  --line: rgba(205, 211, 220, 0.12);
  --line-strong: rgba(205, 211, 220, 0.28);
  --latin-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --latin-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "Playfair Display", "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", serif;
  --sans: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --gutter: clamp(20px, 5vw, 72px);
  --maxw: 1200px;
  --header-h: 72px;
}

:lang(zh-Hant) {
  --serif: "Playfair Display", "Songti TC", "Noto Serif TC", "Source Han Serif TC", serif;
  --sans: "Inter", "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", system-ui, sans-serif;
}
:lang(ja) {
  --serif: "Playfair Display", "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;
  --sans: "Inter", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", system-ui, sans-serif;
}
:lang(ko) {
  --serif: "Playfair Display", "AppleMyungjo", "Nanum Myeongjo", "Noto Serif KR", serif;
  --sans: "Inter", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif;
}
:lang(ar) {
  --serif: "Geeza Pro", "Noto Naskh Arabic", "Times New Roman", serif;
  --sans: "Geeza Pro", "Noto Sans Arabic", "Segoe UI", Tahoma, sans-serif;
}
:lang(th) {
  --serif: "Playfair Display", "Thonburi", "Leelawadee UI", "Noto Serif Thai", serif;
  --sans: "Inter", "Thonburi", "Leelawadee UI", "Noto Sans Thai", system-ui, sans-serif;
}
:lang(ru) { --serif: "Playfair Display", Georgia, "Times New Roman", serif; }

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  background: var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
figure { margin: 0; }
button { font: inherit; }

h1, h2, h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  overflow-wrap: break-word;
}
h3 { hyphens: auto; }

:lang(zh-Hans) :is(h1, h2, h3), :lang(zh-Hant) :is(h1, h2, h3),
:lang(ja) :is(h1, h2, h3), :lang(ko) :is(h1, h2, h3) {
  font-weight: 600;
  letter-spacing: 0.04em;
}

:lang(zh-Hans) :is(h1, h2, .statement p),
:lang(zh-Hant) :is(h1, h2, .statement p),
:lang(ja) :is(h1, h2, .statement p),
:lang(ko) :is(h1, h2, h3, .statement p) {
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-family: var(--latin-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.34em;
  line-height: 1.6;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before,
.eyebrow::after {
  content: "";
  width: 7px;
  height: 7px;
  flex: none;
  border: 1px solid var(--warm);
  transform: rotate(45deg);
}

/* ---------- 顶部导航 ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background-color 0.4s, border-color 0.4s;
}
.site-header.scrolled {
  background: rgba(11, 16, 23, 0.86);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-color: var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--header-h);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand-mark {
  display: grid;
  place-items: center;
  flex: none;
  width: 32px;
  height: 32px;
  border: 1px solid var(--line-strong);
  font-family: var(--latin-serif);
  font-size: 16px;
  line-height: 1;
  color: var(--accent);
}
.brand-name {
  font-family: var(--latin-serif);
  font-size: 17px;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.header-nav { display: flex; align-items: center; gap: 28px; }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-size: 13px;
  color: var(--ink-2);
  white-space: nowrap;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--ink); }

.lang { position: relative; flex: none; }
.lang select {
  -webkit-appearance: none;
  appearance: none;
  max-width: 150px;
  padding: 7px 32px 7px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 12.5px;
  line-height: 1.4;
  cursor: pointer;
}
.lang select:focus-visible { outline: 1px solid var(--accent); outline-offset: 2px; }
.lang select option { background: #141c29; color: #e7eaef; }
.lang::after {
  content: "";
  position: absolute;
  top: 50%;
  inset-inline-end: 14px;
  width: 5px;
  height: 5px;
  border-right: 1px solid var(--ink-2);
  border-bottom: 1px solid var(--ink-2);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
[dir="rtl"] .lang select { padding: 7px 14px 7px 32px; }

@media (max-width: 900px) { .nav-links { display: none; } }
@media (max-width: 560px) {
  :root { --header-h: 62px; }
  .brand-name { font-size: 15px; }
  .lang select { max-width: 120px; }
}

/* ---------- 首屏：居中标题 + 下方大幅横图 ---------- */

.hero {
  padding-top: calc(var(--header-h) + clamp(48px, 8vw, 104px));
  background:
    radial-gradient(60% 50% at 50% 0%, rgba(205, 211, 220, 0.07), transparent 70%),
    var(--bg);
}
.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.hero h1 {
  max-width: 920px;
  margin: 30px 0 24px;
  font-size: clamp(34px, 4.8vw, 66px);
  line-height: 1.15;
  text-wrap: balance;
}
.hero-sub {
  max-width: 680px;
  font-size: clamp(15px, 1.25vw, 17px);
  color: var(--ink-2);
}
.hero-actions { margin-top: 40px; }

.hero-banner {
  position: relative;
  margin-top: clamp(48px, 7vw, 88px);
  aspect-ratio: 21 / 9;
  overflow: hidden;
  background: var(--surface);
}
.hero-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: banner-in 1.8s ease-out both;
}
@keyframes banner-in {
  from { opacity: 0; transform: scale(1.03); }
  to { opacity: 1; transform: none; }
}
.hero-banner::after {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(231, 234, 239, 0.22);
  pointer-events: none;
}

@media (max-width: 720px) {
  .hero-banner { aspect-ratio: 4 / 5; margin-inline: calc(var(--gutter) * -1); }
  .hero .cta { width: 100%; }
  .hero-actions { align-self: stretch; }
  :lang(zh-Hans) .hero h1,
  :lang(zh-Hant) .hero h1,
  :lang(ja) .hero h1 { font-size: min(30px, 8vw); }
}

/* ---------- 按钮 ---------- */

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 16px 34px;
  border: 1px solid var(--accent);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.3s, color 0.3s;
}
.cta:hover { background: var(--accent); color: var(--bg); }
.cta:focus-visible { outline: 1px solid var(--accent); outline-offset: 4px; }
.cta .arrow { display: inline-block; transition: transform 0.3s; }
.cta:hover .arrow { transform: translateX(4px); }
[dir="rtl"] .cta .arrow { transform: scaleX(-1); }
[dir="rtl"] .cta:hover .arrow { transform: scaleX(-1) translateX(4px); }

/* ---------- 通用区块 ---------- */

.section { padding-block: clamp(80px, 10vw, 136px); }
.section-head {
  display: grid;
  justify-items: start;
  gap: 20px;
  max-width: 760px;
  margin-bottom: clamp(44px, 6vw, 72px);
}
.section-head.center {
  justify-items: center;
  margin-inline: auto;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(30px, 3.4vw, 46px);
  line-height: 1.2;
  text-wrap: balance;
}
.section-head p { color: var(--ink-2); }

/* 引言：中间一个方形印章 */
.statement {
  padding-block: clamp(80px, 10vw, 136px) clamp(40px, 5vw, 64px);
  text-align: center;
}
.seal {
  display: block;
  width: 44px;
  height: 44px;
  margin: 0 auto 36px;
  border: 1px solid var(--line-strong);
  transform: rotate(45deg);
  position: relative;
}
.seal::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid var(--warm);
}
.statement p {
  max-width: 860px;
  margin-inline: auto;
  font-family: var(--serif);
  font-size: clamp(22px, 2.5vw, 32px);
  font-style: italic;
  line-height: 1.55;
  text-wrap: balance;
}
:lang(zh-Hans) .statement p, :lang(zh-Hant) .statement p,
:lang(ja) .statement p, :lang(ko) .statement p, :lang(ar) .statement p { font-style: normal; }

/* 议题：2×2 大卡片 */
.values { padding-top: clamp(40px, 5vw, 64px); }
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.value {
  position: relative;
  padding: clamp(32px, 4vw, 56px);
  background: linear-gradient(160deg, var(--surface), var(--bg));
  transition: background-color 0.3s;
}
.value .num {
  display: block;
  margin-bottom: 40px;
  font-family: var(--latin-serif);
  font-size: 0;
}
.value .num::before {
  content: attr(data-n);
  font-size: 48px;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-strong);
}
.value h3 {
  margin-bottom: 14px;
  font-size: clamp(22px, 2vw, 28px);
  line-height: 1.3;
}
.value p { max-width: 440px; color: var(--ink-2); }

@media (max-width: 760px) {
  .values-grid { grid-template-columns: minmax(0, 1fr); }
}

/* 我们的原则 */
.principles-band {
  background: var(--bg-2);
  border-block: 1px solid var(--line);
}
.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 56px);
  margin: 0;
  padding: 0;
  list-style: none;
}
.principle {
  position: relative;
  padding-top: 76px;
  text-align: center;
}
/* 禁止符号：一个圆圈加一条斜线 */
.principle::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 48px;
  height: 48px;
  margin-left: -24px;
  border: 1px solid var(--warm);
  border-radius: 50%;
}
.principle::after {
  content: "";
  position: absolute;
  top: 23px;
  left: 50%;
  width: 48px;
  height: 1px;
  margin-left: -24px;
  background: var(--warm);
  transform: rotate(-45deg);
}
.principle .num { display: none; }
.principle h3 { margin-bottom: 12px; font-size: 22px; line-height: 1.35; }
.principle p { max-width: 340px; margin-inline: auto; color: var(--ink-2); font-size: 15px; }

@media (max-width: 860px) {
  .principles { grid-template-columns: minmax(0, 1fr); row-gap: 48px; }
}

/* 交流形式 */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.split .section-head { margin-bottom: 36px; }
.split-media {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--surface);
}
.split-media img { width: 100%; height: 100%; object-fit: cover; }
.format {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  column-gap: 16px;
  padding-block: 26px;
  border-bottom: 1px solid var(--line);
}
.format:first-child { border-top: 1px solid var(--line); }
.format .num {
  grid-row: span 2;
  padding-top: 3px;
  font-family: var(--latin-serif);
  font-size: 18px;
  color: var(--warm);
}
.format h3 { margin-bottom: 6px; font-size: 22px; line-height: 1.35; }
.format p { font-size: 15px; color: var(--ink-2); }

@media (max-width: 900px) {
  .split { grid-template-columns: minmax(0, 1fr); }
  .split-media { aspect-ratio: 4 / 3; }
}

/* 适合谁：通栏图片背景 */
.audience {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(96px, 12vw, 160px);
  text-align: center;
}
.audience-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: var(--surface);
}
.audience-bg img { width: 100%; height: 100%; object-fit: cover; }
.audience::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(11, 16, 23, 0.82), rgba(11, 16, 23, 0.7) 50%, rgba(11, 16, 23, 0.9));
}
.audience-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.audience h2 {
  margin: 24px 0 16px;
  font-size: clamp(30px, 3.4vw, 46px);
  line-height: 1.2;
}
.audience p { max-width: 620px; color: var(--ink-2); }
.tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 820px;
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
}
.tags li {
  padding: 10px 20px;
  border: 1px solid var(--line-strong);
  background: rgba(11, 16, 23, 0.45);
  font-size: 14px;
  line-height: 1.5;
}

/* 加入流程：居中竖向时间线 */
.steps {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.steps::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  inset-inline-start: 19px;
  width: 1px;
  background: var(--line-strong);
}
.step {
  position: relative;
  padding-inline-start: 76px;
  padding-bottom: 44px;
}
.step:last-child { padding-bottom: 0; }
/* 菱形框和里面的数字分开画，数字不跟着旋转 */
.step::before {
  content: "";
  position: absolute;
  top: 0;
  inset-inline-start: 0;
  width: 39px;
  height: 39px;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  transform: rotate(45deg);
}
.step::after {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: 0;
  inset-inline-start: 0;
  display: grid;
  place-items: center;
  width: 39px;
  height: 39px;
  font-family: var(--latin-serif);
  font-size: 16px;
  line-height: 1;
  color: var(--accent);
}
.step h3 { margin-bottom: 6px; font-size: 23px; line-height: 1.35; }
.step p { color: var(--ink-2); }

/* 常见问题 */
.faq { background: var(--bg-2); border-top: 1px solid var(--line); }
.faq-list {
  max-width: 820px;
  margin-inline: auto;
  border-top: 1px solid var(--line-strong);
}
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  padding-block: 26px;
  list-style: none;
  font-family: var(--serif);
  font-size: clamp(19px, 1.7vw, 22px);
  line-height: 1.45;
  cursor: pointer;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--latin-sans);
  font-size: 22px;
  font-weight: 300;
  line-height: 1.1;
  color: var(--warm);
  transition: transform 0.3s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:focus-visible { outline: 1px solid var(--accent); outline-offset: 4px; }
.faq-item p { max-width: 720px; padding-bottom: 28px; color: var(--ink-2); }

/* 结尾 */
.final {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(100px, 13vw, 176px);
  text-align: center;
}
.final-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: var(--surface);
}
.final-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.5; filter: saturate(0.4); }
.final::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(70% 80% at 50% 50%, rgba(11, 16, 23, 0.45), rgba(11, 16, 23, 0.94));
}
.final h2 {
  max-width: 820px;
  margin: 26px auto 20px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.22;
  text-wrap: balance;
}
.final p { margin-bottom: 42px; color: var(--ink-2); }

/* 页脚 */
.site-footer {
  padding-block: 56px 44px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-3);
}
.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}
.footer-top .brand-name { color: var(--ink); }
.footer-circles {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 28px;
}
.footer-circles .label { font-size: 12px; color: var(--ink-3); }
.footer-circles a { color: var(--ink-2); transition: color 0.2s; }
.footer-circles a:hover { color: var(--ink); }
#footer-links { display: contents; }
.disclaimer { max-width: 900px; padding-top: 28px; line-height: 1.85; }
.copyright { margin-top: 14px; }

img.missing { visibility: hidden; }

/* 进场动画 */
.js main { opacity: 0; transition: opacity 0.5s ease; }
.js body.ready main { opacity: 1; }
.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 1s ease, transform 1s ease;
}
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-banner img { animation: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}