/*
Theme Name: 夜云科技
Theme URI: https://yeyun.tech/
Author: 夜云科技
Description: 面向科技企业的深色品牌官网主题，聚焦云原生、数据智能与软件研发服务。
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: yeyun-tech
*/

:root {
  --color-bg: #060708;
  --color-surface: #0c0f11;
  --color-surface-strong: #111619;
  --color-border: #232a2e;
  --color-border-strong: #394347;
  --color-text: #f4f7f6;
  --color-muted: #919b9a;
  --color-cyan: #69e4d0;
  --color-gold: #e2b868;
  --color-danger: #ff735c;
  --container: 1200px;
  --header-height: 76px;
  --radius: 6px;
}

* {
  box-sizing: border-box;
}

html {
  margin-top: 0 !important;
  scroll-behavior: smooth;
}

#wpadminbar {
  display: none !important;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(6, 7, 8, 0.88);
  backdrop-filter: blur(18px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 164px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1;
}

.brand__mark {
  position: relative;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid var(--color-cyan);
  transform: rotate(45deg);
}

.brand__mark::before {
  width: 8px;
  height: 8px;
  border: 1px solid var(--color-gold);
  content: "";
}

.brand__text {
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.site-nav a {
  position: relative;
  color: #b6bdbd;
  font-size: 14px;
  transition: color 180ms ease;
}

.site-nav a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 1px;
  background: var(--color-cyan);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-text);
}

.site-nav a:not(.button):hover::after,
.site-nav a:not(.button):focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 21px;
  border: 1px solid var(--color-cyan);
  border-radius: 3px;
  background: var(--color-cyan);
  color: #03110f;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover,
.button:focus-visible {
  background: transparent;
  color: var(--color-cyan);
  transform: translateY(-2px);
}

.button--ghost {
  border-color: var(--color-border-strong);
  background: transparent;
  color: var(--color-text);
}

.button--ghost:hover,
.button--ghost:focus-visible {
  border-color: var(--color-text);
  color: var(--color-text);
}

.button--small {
  min-height: 38px;
  padding-inline: 16px;
  font-size: 13px;
}

.hero {
  position: relative;
  display: flex;
  min-height: calc(100svh - 32px);
  padding: calc(var(--header-height) + 74px) 0 94px;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  isolation: isolate;
}

.hero::after {
  position: absolute;
  z-index: -1;
  top: 19%;
  right: 0;
  width: 44%;
  height: 1px;
  background: rgba(105, 228, 208, 0.5);
  box-shadow: 0 190px 0 rgba(255, 255, 255, 0.08), 0 380px 0 rgba(226, 184, 104, 0.24);
  content: "";
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
}

.hero__content {
  width: min(720px, 68%);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 11px;
  margin: 0 0 24px;
  color: var(--color-cyan);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 24px;
  height: 1px;
  background: currentColor;
  content: "";
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: 106px;
  font-weight: 730;
  line-height: 0.94;
  letter-spacing: 0;
}

.hero h1 span {
  display: block;
  margin-top: 10px;
  color: transparent;
  -webkit-text-stroke: 1px rgba(244, 247, 246, 0.54);
}

.hero__lead {
  max-width: 620px;
  margin: 34px 0 0;
  color: #afb7b6;
  font-size: 19px;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 34px 0 0;
  padding: 0;
  color: var(--color-muted);
  font-size: 13px;
  list-style: none;
}

.hero__meta li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero__meta li::before {
  width: 5px;
  height: 5px;
  background: var(--color-cyan);
  content: "";
}

.system-visual {
  position: absolute;
  z-index: 1;
  top: 112px;
  right: max(24px, calc((100vw - var(--container)) / 2));
  bottom: 52px;
  width: min(42vw, 520px);
  opacity: 0.9;
  pointer-events: none;
}

.system-visual__axis {
  position: absolute;
  border-color: rgba(255, 255, 255, 0.11);
  border-style: solid;
}

.system-visual__axis--one {
  top: 8%;
  right: 12%;
  width: 54%;
  height: 74%;
  border-width: 1px 0 0 1px;
}

.system-visual__axis--two {
  right: 0;
  bottom: 8%;
  width: 82%;
  height: 46%;
  border-width: 0 1px 1px 0;
}

.signal {
  position: absolute;
  height: 1px;
  background: var(--color-border-strong);
  transform-origin: left;
}

.signal::after {
  position: absolute;
  top: -3px;
  right: 0;
  width: 7px;
  height: 7px;
  background: var(--color-cyan);
  content: "";
  box-shadow: 0 0 16px rgba(105, 228, 208, 0.7);
}

.signal--one {
  top: 28%;
  left: 5%;
  width: 72%;
  transform: rotate(-19deg);
}

.signal--two {
  top: 56%;
  left: 18%;
  width: 66%;
  transform: rotate(13deg);
}

.signal--three {
  top: 72%;
  left: 8%;
  width: 46%;
  transform: rotate(-34deg);
}

.signal--three::after {
  background: var(--color-gold);
  box-shadow: 0 0 16px rgba(226, 184, 104, 0.6);
}

.system-visual__readout {
  position: absolute;
  right: 2%;
  bottom: 17%;
  width: 184px;
  padding: 15px 0 0 16px;
  border-top: 1px solid var(--color-border-strong);
  border-left: 1px solid var(--color-border-strong);
  color: var(--color-muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
  line-height: 1.8;
}

.system-visual__readout strong {
  display: block;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 500;
}

.system-visual__tag {
  position: absolute;
  padding: 5px 9px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
}

.system-visual__tag--one {
  top: 18%;
  right: 18%;
}

.system-visual__tag--two {
  top: 53%;
  right: 8%;
}

.system-visual__tag--three {
  bottom: 22%;
  left: 8%;
}

.capability-strip {
  border-bottom: 1px solid var(--color-border);
  background: #090b0c;
}

.capability-strip__inner {
  display: grid;
  grid-template-columns: 1.1fr repeat(3, 1fr);
  min-height: 116px;
}

.capability-strip__item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 22px 30px;
  border-left: 1px solid var(--color-border);
}

.capability-strip__item:last-child {
  border-right: 1px solid var(--color-border);
}

.capability-strip__item--intro {
  padding-left: 0;
  border-left: 0;
}

.capability-strip__item strong {
  color: var(--color-text);
  font-size: 15px;
}

.capability-strip__item span {
  margin-top: 3px;
  color: var(--color-muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
}

.section {
  padding: 126px 0;
  border-bottom: 1px solid var(--color-border);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(180px, 0.62fr) 1.38fr;
  gap: 60px;
  margin-bottom: 68px;
}

.section-heading__label {
  margin: 4px 0 0;
  color: var(--color-cyan);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
}

.section-heading h2 {
  max-width: 820px;
  margin: 0;
  font-size: 60px;
  font-weight: 620;
  line-height: 1.13;
  letter-spacing: 0;
}

.section-heading p {
  max-width: 670px;
  margin: 22px 0 0;
  color: var(--color-muted);
  font-size: 17px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-border);
}

.service-card {
  position: relative;
  min-height: 330px;
  padding: 38px;
  overflow: hidden;
  background: var(--color-surface);
  transition: background 180ms ease;
}

.service-card::after {
  position: absolute;
  right: -30px;
  bottom: 32px;
  width: 120px;
  height: 1px;
  background: var(--color-border-strong);
  content: "";
  transform: rotate(-45deg);
}

.service-card:hover {
  background: var(--color-surface-strong);
}

.service-card__number {
  color: var(--color-gold);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
}

.service-card h3 {
  margin: 58px 0 14px;
  font-size: 26px;
  font-weight: 600;
  line-height: 1.3;
}

.service-card p {
  max-width: 460px;
  margin: 0;
  color: var(--color-muted);
  font-size: 15px;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.service-card__tags li {
  padding: 4px 9px;
  border: 1px solid var(--color-border);
  color: #aeb5b4;
  font-size: 11px;
}

.architecture {
  background: #090b0c;
}

.architecture__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(440px, 1.2fr);
  gap: 90px;
  align-items: center;
}

.architecture__copy h2 {
  margin: 0;
  font-size: 58px;
  font-weight: 620;
  line-height: 1.12;
  letter-spacing: 0;
}

.architecture__copy > p:not(.eyebrow) {
  margin: 26px 0 0;
  color: var(--color-muted);
  font-size: 17px;
}

.architecture__list {
  margin: 38px 0 0;
  padding: 0;
  border-top: 1px solid var(--color-border);
  list-style: none;
}

.architecture__list li {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 15px;
  padding: 17px 0;
  border-bottom: 1px solid var(--color-border);
  color: #c5cbca;
  font-size: 14px;
}

.architecture__list span {
  color: var(--color-gold);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
}

.architecture-map {
  position: relative;
  min-height: 560px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.architecture-map::before,
.architecture-map::after {
  position: absolute;
  background: var(--color-border);
  content: "";
}

.architecture-map::before {
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
}

.architecture-map::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
}

.architecture-map__core {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  display: grid;
  width: 126px;
  height: 126px;
  place-items: center;
  border: 1px solid var(--color-cyan);
  background: #0b1312;
  color: var(--color-cyan);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  text-align: center;
  transform: translate(-50%, -50%) rotate(45deg);
}

.architecture-map__core span {
  transform: rotate(-45deg);
}

.architecture-map__node {
  position: absolute;
  z-index: 2;
  width: 138px;
  padding: 14px 16px;
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
}

.architecture-map__node strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
}

.architecture-map__node span {
  display: block;
  margin-top: 2px;
  color: var(--color-muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
}

.architecture-map__node--one {
  top: 12%;
  left: 9%;
}

.architecture-map__node--two {
  top: 14%;
  right: 8%;
}

.architecture-map__node--three {
  right: 9%;
  bottom: 13%;
}

.architecture-map__node--four {
  bottom: 12%;
  left: 8%;
}

.architecture-map__status {
  position: absolute;
  right: 20px;
  bottom: 18px;
  color: var(--color-cyan);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
}

.process-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-border);
  list-style: none;
}

.process-item {
  display: grid;
  grid-template-columns: 110px 1fr minmax(260px, 0.8fr);
  gap: 32px;
  align-items: start;
  padding: 35px 0;
  border-bottom: 1px solid var(--color-border);
}

.process-item__number {
  color: var(--color-gold);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
}

.process-item h3 {
  margin: 0;
  font-size: 22px;
  font-weight: 560;
}

.process-item p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.contact-section {
  position: relative;
  overflow: hidden;
  background: var(--color-cyan);
  color: #04100e;
}

.contact-section::after {
  position: absolute;
  right: -50px;
  bottom: 68px;
  width: 480px;
  height: 1px;
  background: rgba(4, 16, 14, 0.22);
  box-shadow: 0 90px 0 rgba(4, 16, 14, 0.14), 0 180px 0 rgba(4, 16, 14, 0.09);
  content: "";
  transform: rotate(-21deg);
}

.contact-section__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: end;
}

.contact-section .eyebrow {
  color: #0b3c34;
}

.contact-section h2 {
  max-width: 880px;
  margin: 0;
  font-size: 72px;
  font-weight: 680;
  line-height: 1.06;
  letter-spacing: 0;
}

.contact-section .button {
  min-width: 170px;
  border-color: #04100e;
  background: #04100e;
  color: var(--color-text);
}

.contact-section .button:hover,
.contact-section .button:focus-visible {
  background: transparent;
  color: #04100e;
}

.site-footer {
  padding: 58px 0 30px;
  background: #050606;
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 58px;
}

.site-footer__about {
  max-width: 360px;
  margin: 22px 0 0;
  color: var(--color-muted);
  font-size: 13px;
}

.site-footer__title {
  margin: 2px 0 18px;
  color: var(--color-text);
  font-size: 13px;
  font-weight: 600;
}

.site-footer__links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__links li + li {
  margin-top: 9px;
}

.site-footer__links a {
  color: var(--color-muted);
  font-size: 13px;
}

.site-footer__links a:hover,
.site-footer__links a:focus-visible {
  color: var(--color-cyan);
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-top: 26px;
  border-top: 1px solid var(--color-border);
  color: #697170;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
}

.content-page {
  min-height: 75vh;
  padding: calc(var(--header-height) + 70px) 0 100px;
}

.content-page__header {
  margin-bottom: 48px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--color-border);
}

.content-page h1 {
  margin: 0;
  font-size: 64px;
  line-height: 1.1;
}

.content-page__meta {
  margin-top: 14px;
  color: var(--color-muted);
  font-size: 13px;
}

.content-page__body {
  max-width: 780px;
  color: #c6cccb;
}

.content-page__body a {
  color: var(--color-cyan);
}

.content-page__body h2,
.content-page__body h3 {
  margin-top: 1.7em;
  color: var(--color-text);
}

.content-page__body blockquote {
  margin: 32px 0;
  padding: 12px 0 12px 24px;
  border-left: 2px solid var(--color-cyan);
  color: var(--color-muted);
}

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

:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 4px;
}

@media (prefers-reduced-motion: no-preference) {
  .signal::after {
    animation: signal-pulse 2.6s ease-in-out infinite;
  }

  .signal--two::after {
    animation-delay: 0.7s;
  }

  .signal--three::after {
    animation-delay: 1.4s;
  }

  @keyframes signal-pulse {
    0%, 100% {
      opacity: 0.34;
      transform: scale(0.72);
    }
    50% {
      opacity: 1;
      transform: scale(1);
    }
  }
}

@media (max-width: 960px) {
  body {
    padding-bottom: 65px;
  }

  .site-header .site-nav {
    position: fixed;
    top: auto;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    padding: 8px max(12px, env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
    border-top: 1px solid var(--color-border);
    background: rgba(6, 7, 8, 0.96);
    backdrop-filter: blur(18px);
  }

  .site-header .site-nav a {
    min-width: 0;
    padding: 10px 3px;
    overflow: hidden;
    font-size: 12px;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .site-header .site-nav a::after {
    display: none;
  }

  .site-header .site-nav .button {
    min-height: 40px;
    padding-inline: 4px;
  }

  .hero__content {
    width: 78%;
  }

  .system-visual {
    right: -10%;
    width: 52vw;
    opacity: 0.55;
  }

  .section-heading h2,
  .architecture__copy h2 {
    font-size: 48px;
  }

  .contact-section h2 {
    font-size: 58px;
  }

  .architecture__layout {
    grid-template-columns: 1fr;
    gap: 64px;
  }
}

@media (max-width: 760px) {
  :root {
    --header-height: 66px;
  }

  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .brand {
    min-width: 0;
    font-size: 15px;
  }

  .brand__mark {
    width: 24px;
    height: 24px;
  }

  .hero {
    min-height: 760px;
    padding-top: calc(var(--header-height) + 74px);
  }

  .hero__content {
    width: 100%;
  }

  .hero h1 {
    font-size: 64px;
  }

  .hero__lead {
    max-width: 92%;
    margin-top: 28px;
    font-size: 16px;
  }

  .hero__actions .button {
    width: 100%;
  }

  .hero__meta {
    gap: 9px 18px;
    font-size: 11px;
  }

  .system-visual {
    top: auto;
    right: -60px;
    bottom: -20px;
    width: 330px;
    height: 330px;
    opacity: 0.26;
  }

  .capability-strip__inner {
    grid-template-columns: 1fr 1fr;
  }

  .capability-strip__item,
  .capability-strip__item--intro {
    min-height: 96px;
    padding: 18px 16px;
    border: 0;
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
  }

  .capability-strip__item:nth-child(even) {
    border-right: 0;
  }

  .section {
    padding: 86px 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 46px;
  }

  .section-heading h2 {
    font-size: 38px;
  }

  .section-heading p {
    font-size: 15px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 290px;
    padding: 28px 24px;
  }

  .service-card h3 {
    margin-top: 44px;
    font-size: 23px;
  }

  .architecture-map {
    min-height: 470px;
  }

  .architecture-map__core {
    width: 96px;
    height: 96px;
  }

  .architecture-map__node {
    width: 115px;
    padding: 11px;
  }

  .process-item {
    grid-template-columns: 50px 1fr;
    gap: 16px;
  }

  .process-item p {
    grid-column: 2;
  }

  .contact-section__inner {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .contact-section h2 {
    font-size: 44px;
  }

  .contact-section .button {
    width: 100%;
  }

  .site-footer__top {
    grid-template-columns: 1fr 1fr;
    gap: 42px 24px;
  }

  .site-footer__brand {
    grid-column: 1 / -1;
  }

  .site-footer__bottom {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 380px) {
  .hero h1 {
    font-size: 48px;
  }

  .capability-strip__inner,
  .site-footer__top {
    grid-template-columns: 1fr;
  }

  .capability-strip__item,
  .capability-strip__item--intro {
    border-right: 0;
  }

  .site-footer__brand {
    grid-column: auto;
  }
}