/* =========================================================
   双碳产业查询服务平台 — 官网首页样式
   普华至信（北京）国际信用评估有限公司
   设计基调：纸感 · 墨青 · 金线 —— 评级机构的克制与权威
   ========================================================= */

/* ---------- 设计变量 ---------- */
:root {
  --paper: #F4F1E9;
  --paper-deep: #ECE8DC;
  --white: #FFFFFF;
  --ink: #15232F;
  --body: #43505E;
  --muted: #75818F;
  --faint: #9CA7B2;
  --navy: #0F2A47;
  --navy-deep: #0A1F36;
  --blue: #1C5BA6;
  --gold: #A98B54;
  --gold-2: #C9B285;
  --line: #E2DCCB;            /* 纸面上的暖色细线 */
  --line-w: #E8E9EA;          /* 白底上的细线 */
  --line-d: rgba(201, 178, 133, .28);  /* 深色底上的金线 */
  --serif: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "Noto Sans CJK SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--body);
  background: var(--white);
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { text-decoration: none; color: inherit; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; }

::selection { background: rgba(169, 139, 84, .28); }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #EFECE4; }
::-webkit-scrollbar-thumb { background: #C6C0AE; }
::-webkit-scrollbar-thumb:hover { background: #A8A191; }

section { scroll-margin-top: 74px; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .1em;
  white-space: nowrap;
  transition: background .2s ease, color .2s ease;
}

.btn-primary {
  color: #fff;
  background: var(--navy);
}

.btn-primary:hover:not(:disabled) { background: var(--blue); }
.btn:disabled { opacity: .6; cursor: default; }

/* ---------- 滚动显现 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity .8s ease var(--d, 0s),
    transform .8s cubic-bezier(.22, .61, .36, 1) var(--d, 0s);
}

.reveal.in { opacity: 1; transform: none; }

/* ---------- 顶部信息条 ---------- */
.topbar {
  background: var(--navy-deep);
  color: #7E92AD;
  font-size: 12.5px;
  letter-spacing: .04em;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 36px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.topbar-right strong { color: #E9E4D6; font-weight: 600; }

.topbar .divider {
  width: 1px;
  height: 12px;
  background: rgba(201, 178, 133, .3);
}

/* ---------- 导航栏 ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s ease, border-color .25s ease;
}

.navbar.scrolled {
  border-bottom-color: var(--line-w);
  box-shadow: 0 4px 24px rgba(15, 42, 71, .07);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 30px;
  height: 76px;
}

.brand { flex-shrink: 0; }

.brand img {
  height: 48px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-menu a {
  position: relative;
  padding: 8px 14px;
  font-size: 15px;
  color: #3D4C63;
  transition: color .2s ease;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}

.nav-menu a:hover { color: var(--navy); }
.nav-menu a.active { color: var(--navy); font-weight: 600; }
.nav-menu a:hover::after, .nav-menu a.active::after { transform: scaleX(1); }

.nav-cta { flex-shrink: 0; padding: 10px 22px; }

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  margin-left: auto;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--navy);
  transition: transform .25s ease, opacity .25s ease;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首屏 ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  padding: 84px 0 0;
}

/* 竖排装饰文字 */
.hero-vertical {
  position: absolute;
  right: 34px;
  top: 88px;
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: .55em;
  color: rgba(15, 42, 71, .3);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: 48px;
}

.hero-copy { max-width: 640px; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--muted);
}

.eyebrow i {
  width: 42px;
  height: 1px;
  background: var(--gold);
}

.hero-title {
  margin-top: 22px;
  font-family: var(--serif);
  font-size: clamp(31px, 3.9vw, 50px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: .05em;
  color: var(--ink);
}

.hero-slogan {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  font-family: var(--serif);
  font-size: 16.5px;
  letter-spacing: .3em;
  color: var(--navy);
}

.gold-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

.hero-desc {
  margin-top: 20px;
  max-width: 560px;
  font-size: 14.5px;
  color: var(--muted);
}

/* 查询区：底线式输入，无卡片 */
.query { margin-top: 38px; max-width: 600px; }

.query-label {
  display: inline-block;
  padding-bottom: 10px;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--navy);
  border-bottom: 2px solid var(--gold);
}

.query-field {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-top: 14px;
  border-bottom: 2px solid var(--navy);
  padding-bottom: 10px;
  transition: border-color .2s ease;
}

.query-field:focus-within { border-bottom-color: var(--gold); }

.query-icon {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
  margin-bottom: 11px;
  color: var(--faint);
}

.query-field input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  font-size: 15px;
  color: var(--ink);
  padding: 8px 0;
}

.query-field input::placeholder { color: var(--faint); }

.query-field .btn { flex-shrink: 0; }

.query-hint {
  min-height: 20px;
  margin-top: 10px;
  font-size: 12.5px;
  color: #4C8A5A;
}

.query-hint.err { color: #B4552F; }

/* 右侧徽章 */
.hero-seal {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.seal-frame {
  position: relative;
  width: min(340px, 80%);
}

.seal-frame img {
  width: 100%;
  filter: drop-shadow(0 18px 34px rgba(15, 42, 71, .18));
}

/* 徽章外圈装饰环 */
.seal-frame::before,
.seal-frame::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.seal-frame::before {
  inset: -26px;
  border: 1px solid rgba(169, 139, 84, .4);
}

.seal-frame::after {
  inset: -44px;
  border: 1px dashed rgba(169, 139, 84, .28);
}

.seal-caption {
  margin-top: 52px;
  font-size: 12.5px;
  letter-spacing: .3em;
  color: var(--muted);
}

/* 首屏底部数据行 */
.hero-stats {
  margin-top: 72px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  padding-top: 30px;
  padding-bottom: 38px;
}

.stat {
  position: relative;
  padding: 0 12px;
}

.stat + .stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 1px;
  background: var(--line);
}

.stat-num {
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy);
  font-variant-numeric: tabular-nums;
}

.stat-num em {
  font-style: normal;
  color: var(--gold);
  margin-left: 2px;
}

.stat-label {
  margin-top: 4px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; }

.sec-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 52px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line-w);
}

.sec-head-l {
  display: flex;
  align-items: baseline;
  gap: 18px;
}

.sec-index {
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--gold);
}

.sec-index-gold { color: var(--gold-2); }

.sec-head h2,
.about-text h2,
.adv-side h2 {
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--ink);
}

.sec-head h2 { font-size: 32px; }

.sec-desc {
  max-width: 420px;
  font-size: 14px;
  color: var(--muted);
  text-align: right;
}

.sec-more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--navy);
  font-weight: 600;
}

.sec-more i,
.svc-more i,
.cta-link i {
  display: inline-block;
  width: 22px;
  height: 12px;
  background: currentColor;
  clip-path: polygon(0 42%, 72% 42%, 58% 8%, 100% 50%, 58% 92%, 72% 58%, 0 58%);
  transition: transform .2s ease;
}

.sec-more:hover i, .svc-more:hover i, .cta-link:hover i { transform: translateX(5px); }

/* ---------- 服务体系 ---------- */
.services { background: var(--white); }

.svc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 56px;
  border-bottom: 1px solid var(--line-w);
}

.svc {
  position: relative;
  display: block;
  padding: 30px 4px 32px;
  border-top: 1px solid var(--line-w);
}

.svc-index {
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--gold);
}

.svc h3 {
  margin-top: 10px;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink);
  transition: color .2s ease;
}

.svc p {
  margin-top: 10px;
  max-width: 440px;
  font-size: 13.5px;
  color: var(--muted);
}

.svc-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--blue);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity .25s ease, transform .25s ease;
}

.svc:hover h3 { color: var(--blue); }

.svc:hover .svc-more {
  opacity: 1;
  transform: none;
}

/* ---------- 平台优势（深色） ---------- */
.advantage {
  position: relative;
  overflow: hidden;
  background: var(--navy-deep);
  color: #A9B8CC;
}

/* 大字背景装饰 */
.advantage::after {
  content: "信";
  position: absolute;
  right: -30px;
  bottom: -110px;
  font-family: var(--serif);
  font-weight: 900;
  font-size: 380px;
  line-height: 1;
  color: rgba(201, 178, 133, .05);
  pointer-events: none;
}

.adv-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 72px;
}

.adv-side h2 {
  margin-top: 18px;
  font-size: 32px;
  line-height: 1.55;
  color: #F2EEE2;
}

.adv-desc {
  margin-top: 20px;
  font-size: 14px;
  line-height: 1.9;
  color: #8FA1B8;
}

.adv-seal {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--line-d);
}

.adv-seal-img {
  width: 84px;
  height: 84px;
  flex-shrink: 0;
  padding: 7px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .3);
}

.adv-seal-img img { width: 100%; height: 100%; }

.adv-principle {
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: .22em;
  color: var(--gold-2);
}

.adv-list { border-bottom: 1px solid var(--line-d); }

.adv-list li {
  display: flex;
  gap: 28px;
  padding: 28px 0;
  border-top: 1px solid var(--line-d);
}

.adv-index {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--gold-2);
  padding-top: 4px;
}

.adv-list h3 {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .05em;
  color: #EFEADB;
}

.adv-list p {
  margin-top: 6px;
  font-size: 13.5px;
  color: #8FA1B8;
}

/* ---------- 政策资讯 ---------- */
.news { background: var(--white); }

.news-list { border-bottom: 1px solid var(--line-w); }

.news-item {
  display: flex;
  align-items: center;
  gap: 36px;
  padding: 30px 4px;
  border-top: 1px solid var(--line-w);
}

.news-date {
  flex-shrink: 0;
  width: 76px;
  text-align: center;
}

.news-date strong {
  display: block;
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--navy);
}

.news-date span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--faint);
}

.news-main { flex: 1; min-width: 0; }

.news-tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  border: 1px solid rgba(169, 139, 84, .5);
  border-radius: 2px;
}

.news-main h3 {
  margin-top: 10px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color .2s ease;
}

.news-item:hover .news-main h3 { color: var(--blue); }

.news-main p {
  margin-top: 6px;
  font-size: 13px;
  color: var(--faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-arrow {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  color: var(--faint);
  transition: color .2s ease, transform .2s ease;
}

.news-item:hover .news-arrow {
  color: var(--gold);
  transform: translateX(6px);
}

/* ---------- 关于我们 ---------- */
.about { background: var(--paper); }

.about-inner {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  align-items: center;
  gap: 72px;
}

.about-seal {
  position: relative;
  max-width: 330px;
  margin: 0 auto;
}

.about-seal::after {
  content: "";
  position: absolute;
  inset: -18px;
  border: 1px solid rgba(169, 139, 84, .45);
  pointer-events: none;
}

.about-seal img {
  width: 100%;
  filter: drop-shadow(0 16px 30px rgba(15, 42, 71, .16));
}

.about-text h2 {
  margin-top: 14px;
  font-size: 32px;
}

.about-text p {
  margin-top: 16px;
  font-size: 14.5px;
  color: var(--muted);
  text-align: justify;
}

.about-text p strong { color: var(--ink); }

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 34px;
}

.about-values div {
  padding-top: 14px;
  border-top: 2px solid var(--navy);
}

.about-values div:nth-child(2) { border-top-color: var(--gold); }
.about-values div:nth-child(3) { border-top-color: var(--blue); }

.about-values strong {
  display: block;
  font-family: var(--serif);
  font-size: 16.5px;
  letter-spacing: .08em;
  color: var(--ink);
}

.about-values span {
  display: block;
  margin-top: 3px;
  font-size: 12.5px;
  color: var(--faint);
}

/* ---------- 行动号召 ---------- */
.cta {
  background: var(--white);
  border-top: 1px solid var(--line-w);
  padding: 58px 0;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.cta-line {
  font-family: var(--serif);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--ink);
}

.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  padding-bottom: 8px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--navy);
  border-bottom: 2px solid var(--gold);
  transition: color .2s ease;
}

.cta-link:hover { color: var(--blue); }

/* ---------- 页脚 ---------- */
.footer {
  background: var(--navy-deep);
  color: #8FA3C4;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1.3fr;
  gap: 44px;
  padding-top: 60px;
  padding-bottom: 44px;
}

.f-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.f-seal {
  width: 58px;
  height: 58px;
  flex-shrink: 0;
  padding: 5px;
  background: #fff;
  border-radius: 50%;
}

.f-seal img { width: 100%; height: 100%; }

.f-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

.f-brand-text strong {
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: .06em;
  color: #F0EBDD;
}

.f-brand-text small {
  font-size: 11.5px;
  color: #6E84A5;
}

.footer-brand > p {
  margin-top: 18px;
  max-width: 330px;
  font-size: 13px;
  line-height: 1.9;
  color: #6E84A5;
}

.footer-col h4 {
  position: relative;
  padding-bottom: 12px;
  margin-bottom: 16px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .1em;
  color: #F0EBDD;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--gold);
}

.footer-col a {
  display: block;
  padding: 4px 0;
  font-size: 13.5px;
  color: #8FA3C4;
  transition: color .2s ease;
}

.footer-col a:hover { color: #fff; }

.footer-col p {
  padding: 4px 0;
  font-size: 13.5px;
  color: #8FA3C4;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  padding-top: 18px;
  padding-bottom: 18px;
  border-top: 1px solid rgba(201, 178, 133, .18);
  font-size: 12.5px;
  color: #63799A;
}

.footer-links a {
  color: #8FA3C4;
  transition: color .2s ease;
}

.footer-links a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(201, 178, 133, .18);
  padding: 18px 0;
  font-size: 12.5px;
  color: #5A7192;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px 20px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1240px) {
  .hero-vertical { display: none; }
}

@media (max-width: 1080px) {
  .nav-inner { gap: 16px; }
  .nav-menu a { padding: 8px 9px; font-size: 14px; }
  .adv-inner { grid-template-columns: 1fr; gap: 48px; }
  .about-inner { grid-template-columns: 1fr; gap: 52px; }
  .hero-inner { gap: 32px; }
}

@media (max-width: 992px) {
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 16px;
    background: #fff;
    box-shadow: 0 20px 36px rgba(10, 31, 54, .14);
    border-top: 1px solid var(--line-w);
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity .22s ease, transform .22s ease;
  }

  .nav-menu.open {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

  .nav-menu a {
    padding: 13px 8px;
    font-size: 15px;
    color: var(--ink);
    border-bottom: 1px solid #F0F1F2;
  }

  .nav-menu a:last-child { border-bottom: none; }
  .nav-menu a:hover, .nav-menu a.active { color: var(--navy); }
  .nav-menu a::after { display: none; }

  .hero { padding-top: 56px; }

  .hero-inner { grid-template-columns: 1fr; }

  .hero-seal {
    order: -1;
    flex-direction: row;
    justify-content: flex-start;
    gap: 20px;
  }

  .seal-frame { width: 120px; }
  .seal-frame::before { inset: -12px; }
  .seal-frame::after { display: none; }
  .seal-caption { margin-top: 0; text-align: left; letter-spacing: .18em; }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 0;
    margin-top: 56px;
  }

  .stat:nth-child(3)::before { display: none; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: 64px 0; }

  .topbar-inner { justify-content: center; }
  .topbar-left { display: none; }
  .topbar-right .divider { display: none; }
  .topbar-right span:last-child { display: none; }

  .brand img { height: 40px; }

  .hero-slogan { letter-spacing: .16em; font-size: 15px; }

  .query-field { flex-wrap: wrap; gap: 8px; }
  .query-icon { display: none; }
  .query-field input { flex: 1 1 100%; }
  .query-field .btn { width: 100%; margin-bottom: 4px; }

  .sec-head { flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 36px; }
  .sec-desc { text-align: left; }
  .sec-head h2, .adv-side h2, .about-text h2 { font-size: 26px; }

  .svc-grid { grid-template-columns: 1fr; gap: 0; }

  .adv-list li { gap: 18px; padding: 22px 0; }
  .advantage::after { font-size: 240px; right: -20px; bottom: -70px; }

  .news-item { flex-wrap: wrap; gap: 6px 16px; padding: 22px 4px; }
  .news-date { width: auto; text-align: left; display: flex; align-items: baseline; gap: 8px; }
  .news-date strong { font-size: 22px; }
  .news-main { flex: 1 1 100%; order: 3; }
  .news-main h3, .news-main p { white-space: normal; }
  .news-arrow { margin-left: auto; }

  .about-values { grid-template-columns: 1fr; gap: 16px; }

  .cta-inner { flex-direction: column; align-items: flex-start; gap: 18px; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px 20px; padding-top: 44px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .eyebrow { letter-spacing: .06em; font-size: 12px; }
  .eyebrow i { width: 26px; }
  .hero-title { letter-spacing: .03em; }
  .hero-stats { gap: 18px 0; }
  .stat-num { font-size: 27px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom .container { justify-content: center; text-align: center; }
}

/* =========================================================
   证书/报告查询 — 结果页
   ========================================================= */

/* ---------- 子页头部 ---------- */
.page-hero {
  background: var(--paper);
  padding: 72px 0 64px;
}

.page-title {
  margin-top: 20px;
  font-family: var(--serif);
  font-size: clamp(30px, 3.6vw, 42px);
  font-weight: 900;
  letter-spacing: .06em;
  color: var(--ink);
}

.page-desc {
  margin-top: 14px;
  max-width: 620px;
  font-size: 14.5px;
  color: var(--muted);
}

.page-query { margin-top: 32px; }

/* ---------- 结果区 ---------- */
.results {
  min-height: 320px;
  padding: 56px 0 96px;
}

/* 初始态 */
.results-prompt {
  padding: 40px 0 8px;
  text-align: center;
}

.prompt-line {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: .06em;
  color: var(--ink);
}

.prompt-try {
  margin-top: 16px;
  font-size: 13px;
  color: var(--faint);
}

.prompt-try a {
  display: inline-block;
  margin: 0 6px;
  padding: 4px 14px;
  color: var(--navy);
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: border-color .2s ease, color .2s ease;
}

.prompt-try a:hover {
  color: var(--blue);
  border-color: var(--blue);
}

/* 结果头 */
.results-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--navy);
}

.results-head .sec-head-l {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.results-head h2 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--ink);
}

.results-kw {
  font-size: 13px;
  color: var(--muted);
  max-width: 50%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 结果表 */
.r-table { border-bottom: 1px solid var(--line-w); }

.r-row {
  display: grid;
  grid-template-columns: 2.1fr 1.5fr 1fr 1.7fr .8fr 1.3fr .7fr .9fr;
  align-items: center;
  gap: 16px;
  padding: 18px 8px;
  border-top: 1px solid var(--line-w);
  font-size: 13.5px;
  color: var(--body);
  transition: background .2s ease;
}

a.r-row:hover { background: var(--paper); }

.r-head {
  padding: 12px 8px;
  border-top: none;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--faint);
}

.r-company {
  font-weight: 600;
  color: var(--ink);
}

.r-no {
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

.r-level {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--gold);
}

.r-dates {
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
}

.r-dates small {
  display: block;
  font-size: 12px;
  color: var(--faint);
}

/* 状态点 */
.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-style: normal;
  font-size: 13px;
  white-space: nowrap;
}

.status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.status.ok { color: #3D7A4E; }
.status.ok::before { background: #4C9A63; }
.status.off { color: #9A6A5A; }
.status.off::before { background: #B98A72; }

.r-act {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  white-space: nowrap;
}

.r-act i {
  display: inline-block;
  width: 18px;
  height: 10px;
  background: currentColor;
  clip-path: polygon(0 42%, 72% 42%, 58% 8%, 100% 50%, 58% 92%, 72% 58%, 0 58%);
  transition: transform .2s ease;
}

a.r-row:hover .r-act i { transform: translateX(4px); }

/* 空态 / 错误态 */
.results-empty,
.detail-error .container {
  padding: 56px 0;
  text-align: center;
}

.empty-title {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ink);
}

.empty-desc {
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
}

.empty-tips {
  max-width: 520px;
  margin: 28px auto 0;
  padding: 20px 26px;
  text-align: left;
  font-size: 13px;
  color: var(--muted);
  background: var(--paper);
  border-left: 3px solid var(--gold);
}

.empty-tips ul { margin-top: 6px; padding-left: 18px; list-style: disc; }
.empty-tips li { margin-top: 4px; }
.empty-tips strong { color: var(--ink); }

.detail-error .btn { margin-top: 26px; }

/* =========================================================
   证书/报告详情页
   ========================================================= */

/* ---------- 详情头 ---------- */
.detail-hero {
  background: var(--paper);
  padding: 34px 0 0;
}

.crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--faint);
}

.crumb a { color: var(--muted); transition: color .2s ease; }
.crumb a:hover { color: var(--blue); }
.crumb-sep { color: var(--line); }
.crumb-cur { color: var(--ink); }

.detail-back {
  display: inline-block;
  margin-top: 26px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--navy);
  transition: color .2s ease;
}

.detail-back:hover { color: var(--blue); }

.detail-head { margin-top: 18px; }

.detail-status {
  padding: 4px 14px;
  font-size: 13px;
  border: 1px solid currentColor;
  border-radius: 2px;
  background: rgba(255, 255, 255, .6);
}

.detail-title {
  margin-top: 18px;
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 900;
  letter-spacing: .05em;
  color: var(--ink);
}

.detail-company {
  margin-top: 10px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--navy);
}

.detail-verify {
  display: inline-block;
  margin-top: 16px;
  padding: 9px 16px;
  font-size: 13.5px;
  color: #3D7A4E;
  background: rgba(76, 154, 99, .1);
  border: 1px solid rgba(76, 154, 99, .3);
  border-radius: 2px;
}

.detail-verify.warn {
  color: #9A6A5A;
  background: rgba(185, 138, 114, .1);
  border-color: rgba(185, 138, 114, .35);
}

/* 摘要条 */
.detail-summary {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
  margin-top: 36px;
  padding: 24px 0;
  border-top: 2px solid var(--navy);
}

.ds-item span {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

.ds-item strong {
  display: block;
  margin-top: 6px;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--ink);
  word-break: break-all;
}

/* ---------- 详情主体 ---------- */
.detail-body { padding: 64px 0 96px; }

.d-sec + .d-sec { margin-top: 56px; }

.d-sec-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--navy);
}

.d-sec-head h2 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--ink);
}

.d-sec-note {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--faint);
}

/* 信息网格 */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 48px;
}

.info-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding: 15px 4px;
  border-bottom: 1px solid var(--line-w);
}

.info-item-wide { grid-column: 1 / -1; }

.info-item dt {
  font-size: 13px;
  color: var(--muted);
  padding-top: 2px;
}

.info-item dd {
  margin: 0;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.8;
  word-break: break-all;
}

/* 公示信息 */
.pub-list li {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 15px 4px;
  border-bottom: 1px solid var(--line-w);
  font-size: 14px;
}

.pub-name {
  width: 220px;
  flex-shrink: 0;
  font-weight: 600;
  color: var(--ink);
}

.pub-url {
  flex: 1;
  min-width: 0;
  color: var(--faint);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pub-link {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
}

.pub-link:hover { text-decoration: underline; }

/* 声明 */
.declare-list {
  padding: 6px 4px 0 22px;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.9;
}

.declare-list li { margin-top: 10px; }
.declare-list li::marker { color: var(--gold); font-weight: 600; }

.query-time {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line-w);
  font-size: 13px;
  color: var(--faint);
}

.query-time time { color: var(--muted); }

/* ---------- 子页响应式 ---------- */
@media (max-width: 1080px) {
  .r-row { grid-template-columns: 1.8fr 1.4fr 1fr 1.5fr .7fr 1.2fr .7fr .8fr; gap: 10px; }
}

@media (max-width: 992px) {
  /* 结果表 → 卡片 */
  .r-row.r-head { display: none; }

  .r-row {
    display: block;
    padding: 18px 16px;
    border-top: none;
    border-bottom: 1px solid var(--line-w);
  }

  .r-table { border-bottom: none; }

  .r-cell {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 18px;
    padding: 5px 0;
    text-align: right;
  }

  .r-cell::before {
    content: attr(data-label);
    flex-shrink: 0;
    font-size: 12px;
    color: var(--faint);
    text-align: left;
  }

  .r-dates small { display: inline; margin-left: 6px; }

  .r-act { justify-content: flex-end; margin-top: 6px; }
  .r-act::before { display: none; }

  .detail-summary { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 768px) {
  .page-hero { padding: 52px 0 44px; }
  .results { padding: 40px 0 64px; }
  .results-head { flex-direction: column; align-items: flex-start; gap: 6px; }
  .results-kw { max-width: 100%; }
  .detail-body { padding: 44px 0 64px; }
  .info-grid { grid-template-columns: 1fr; gap: 0; }
  .info-item { grid-template-columns: 120px 1fr; gap: 12px; }
  .pub-list li { flex-wrap: wrap; gap: 4px 14px; }
  .pub-name { width: 100%; }
}

/* ---------- 减少动画偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after {
    transition-duration: .01ms !important;
  }
}