/* ============================================
   算法解码器 - 核心样式表
   Code Terminal Matrix Style
   CSS Prefix: algo-
   ============================================ */

/* === Fira Code 字体本地引入 === */
@font-face {
  font-family: 'Fira Code';
  src: url('../fonts/FiraCode-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Fira Code';
  src: url('../fonts/FiraCode-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Fira Code';
  src: url('../fonts/FiraCode-Light.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

/* === CSS Reset & Base === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Fira Code', 'Courier New', monospace;
  font-feature-settings: "liga" 1, "calt" 1;
  background-color: #000000;
  color: #C0C0C0;
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  color: #00FF00;
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  text-decoration: underline;
}

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

h1, h2, h3, h4, h5, h6 {
  color: #00FF00;
  font-weight: 700;
  line-height: 1.3;
}

/* === 干扰标签隐藏 === */
.decode-jammer-block {
  display: none !important;
}

/* === 导航栏 === */
.algo-nav {
  width: 100%;
  background-color: #000000;
  border-bottom: 1px solid #008000;
  z-index: 1000;
  padding: 0;
}

.algo-nav-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
}

.algo-nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #00FF00;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
}

.algo-nav-logo:hover {
  text-decoration: none;
}

.sp-logo-text {
  color: #00FF00;
}

.algo-nav-logo-icon {
  font-size: 1.3rem;
}

.algo-nav-links {
  display: flex;
  list-style: none;
  gap: 0;
}

.algo-nav-links li {
  position: relative;
}

.algo-nav-links li a {
  display: block;
  padding: 8px 16px;
  color: #C0C0C0;
  font-size: 0.85rem;
  text-decoration: none;
  position: relative;
  transition: color 0.2s ease;
}

.algo-nav-links li a::after {
  content: '_';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  color: #00FF00;
  opacity: 0;
  animation: algo-blink 1s step-end infinite;
  transition: opacity 0.2s ease;
}

.algo-nav-links li a:hover {
  color: #00FF00;
  text-decoration: none;
}

.algo-nav-links li a:hover::after {
  opacity: 1;
}

.algo-nav-links li a.algo-active {
  color: #00FF00;
}

/* === 汉堡菜单 === */
.algo-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: none;
  border: 1px solid #008000;
}

.algo-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #00FF00;
  transition: all 0.3s ease;
}

.algo-mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.97);
  z-index: 9999;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: left 0.4s ease;
}

.algo-mobile-menu.algo-menu-open {
  left: 0;
  display: flex;
}

.algo-mobile-menu-close {
  position: absolute;
  top: 20px;
  right: 20px;
  color: #00FF00;
  font-size: 2rem;
  cursor: pointer;
  background: none;
  border: 1px solid #008000;
  padding: 5px 12px;
  font-family: 'Fira Code', monospace;
}

.algo-mobile-menu a {
  display: block;
  padding: 16px 0;
  color: #C0C0C0;
  font-size: 1.2rem;
  text-decoration: none;
  text-align: center;
  transition: color 0.2s ease;
}

.algo-mobile-menu a:hover {
  color: #00FF00;
}

.algo-mobile-menu-prefix {
  color: #008000;
  margin-right: 8px;
}

/* === 主容器 === */
.algo-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
}

.algo-section {
  padding: 60px 0;
  border-bottom: 1px solid #1a1a1a;
}

.algo-section-title {
  font-size: 1.2rem;
  color: #008000;
  margin-bottom: 30px;
  padding: 8px 0;
  border-bottom: 1px solid #1a1a1a;
}

.algo-section-title span {
  color: #00FF00;
}

/* === Hero / CLI 入口 === */
.algo-cli {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 40px 20px;
}

.algo-cli-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  z-index: 0;
}

.algo-cli-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  width: 100%;
}

.algo-cli-prompt {
  font-size: 1rem;
  color: #008000;
  margin-bottom: 20px;
  text-align: left;
}

.algo-cli h1 {
  font-size: 2.2rem;
  margin-bottom: 16px;
  color: #00FF00;
}

.algo-cli-desc {
  font-size: 0.9rem;
  color: #C0C0C0;
  margin-bottom: 30px;
  line-height: 1.8;
}

.algo-cli-input-wrap {
  display: flex;
  gap: 0;
  border: 1px solid #008000;
  background: rgba(0, 0, 0, 0.8);
}

.algo-cli-input-prefix {
  padding: 12px 16px;
  color: #008000;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  white-space: nowrap;
  border-right: 1px solid #1a1a1a;
}

.algo-cli-input {
  flex: 1;
  background: transparent;
  border: none;
  color: #00FF00;
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
  padding: 12px 16px;
  outline: none;
}

.algo-cli-input::placeholder {
  color: #4a4a4a;
}

.algo-cli-btn {
  background: #008000;
  color: #000000;
  border: none;
  padding: 12px 24px;
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease;
  white-space: nowrap;
}

.algo-cli-btn:hover {
  background: #00FF00;
}

/* === 实时战报 === */
.algo-live-feed {
  padding: 60px 0;
}

.algo-feed-container {
  border: 1px solid #1a1a1a;
  background: rgba(0, 20, 0, 0.3);
  padding: 20px;
  max-height: 300px;
  overflow: hidden;
  position: relative;
}

.algo-feed-line {
  font-size: 0.8rem;
  color: #C0C0C0;
  padding: 4px 0;
  opacity: 0;
  animation: algo-fadeIn 0.5s forwards;
}

.algo-feed-line .algo-feed-time {
  color: #008000;
}

.algo-feed-line .algo-feed-status {
  color: #00FF00;
  font-weight: 700;
}

.algo-feed-line .algo-feed-value {
  color: #00FF00;
}

@keyframes algo-fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === 热门趋势 === */
.algo-trending {
  padding: 60px 0;
}

.algo-chart-wrap {
  border: 1px solid #1a1a1a;
  padding: 20px;
  background: rgba(0, 20, 0, 0.2);
}

.algo-chart-wrap canvas {
  width: 100% !important;
  max-height: 400px;
}

.algo-trending-desc {
  margin-top: 20px;
  font-size: 0.85rem;
  color: #C0C0C0;
}

/* === 成功案例 === */
.algo-case-studies {
  padding: 60px 0;
}

.algo-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.algo-case-card {
  border: 1px solid #1a1a1a;
  background: rgba(0, 20, 0, 0.2);
  padding: 0;
}

.algo-case-header {
  background: #0a0a0a;
  padding: 8px 16px;
  border-bottom: 1px solid #1a1a1a;
  display: flex;
  align-items: center;
  gap: 8px;
}

.algo-case-dot {
  width: 8px;
  height: 8px;
  background: #008000;
  display: inline-block;
}

.algo-case-filename {
  color: #008000;
  font-size: 0.8rem;
}

.algo-case-body {
  padding: 16px;
}

.algo-case-title {
  color: #00FF00;
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.algo-case-metric {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid #0a0a0a;
  font-size: 0.8rem;
}

.algo-case-label {
  color: #808080;
}

.algo-case-before {
  color: #808080;
}

.algo-case-after {
  color: #00FF00;
  font-weight: 700;
}

.algo-case-img {
  width: 100%;
  border-bottom: 1px solid #1a1a1a;
}

/* === 算法白皮书 === */
.algo-whitepaper {
  padding: 60px 0;
}

.algo-wp-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
}

.algo-wp-text {
  font-size: 0.85rem;
  line-height: 1.8;
}

.algo-wp-text p {
  margin-bottom: 16px;
}

.algo-wp-img {
  border: 1px solid #1a1a1a;
}

.algo-wp-link {
  display: inline-block;
  margin-top: 16px;
  padding: 10px 24px;
  border: 1px solid #00FF00;
  color: #00FF00;
  font-size: 0.85rem;
  transition: all 0.2s ease;
}

.algo-wp-link:hover {
  background: #00FF00;
  color: #000000;
  text-decoration: none;
}

/* === 工具矩阵 === */
.algo-tool-matrix {
  padding: 60px 0;
}

.algo-tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.algo-tool-card {
  border: 1px solid #1a1a1a;
  padding: 24px 16px;
  text-align: center;
  transition: border-color 0.2s ease;
  background: rgba(0, 20, 0, 0.1);
}

.algo-tool-card:hover {
  border-color: #00FF00;
}

.algo-tool-icon {
  font-size: 2rem;
  color: #00FF00;
  margin-bottom: 12px;
}

.algo-tool-name {
  color: #00FF00;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.algo-tool-desc {
  color: #808080;
  font-size: 0.75rem;
}

/* === 增长学院 === */
.algo-academy {
  padding: 60px 0;
}

.algo-academy-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.algo-academy-item {
  border: 1px solid #1a1a1a;
  padding: 20px;
  transition: border-color 0.2s ease;
}

.algo-academy-item:hover {
  border-color: #008000;
}

.algo-academy-tag {
  color: #008000;
  font-size: 0.75rem;
  margin-bottom: 8px;
}

.algo-academy-item-title {
  color: #00FF00;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.algo-academy-item-desc {
  color: #808080;
  font-size: 0.8rem;
  line-height: 1.6;
}

/* === API 接入 === */
.algo-api {
  padding: 60px 0;
}

.algo-api-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: start;
}

.algo-api-text {
  font-size: 0.85rem;
  line-height: 1.8;
}

.algo-api-text p {
  margin-bottom: 16px;
}

.algo-api-code {
  border: 1px solid #1a1a1a;
  background: rgba(0, 20, 0, 0.3);
  padding: 20px;
  font-size: 0.8rem;
  overflow-x: auto;
}

.algo-api-code pre {
  color: #00FF00;
  white-space: pre;
  font-family: 'Fira Code', monospace;
}

/* === 社区论坛 === */
.algo-community {
  padding: 60px 0;
}

.algo-community-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
}

.algo-community-text {
  font-size: 0.85rem;
  line-height: 1.8;
}

.algo-community-text p {
  margin-bottom: 16px;
}

.algo-community-links {
  display: flex;
  gap: 16px;
  margin-top: 16px;
}

.algo-community-link {
  padding: 10px 24px;
  border: 1px solid #008000;
  color: #008000;
  font-size: 0.85rem;
  transition: all 0.2s ease;
}

.algo-community-link:hover {
  background: #008000;
  color: #000000;
  text-decoration: none;
}

/* === 注册模块 === */
.algo-register {
  padding: 60px 0;
}

.algo-register-wrap {
  max-width: 500px;
  margin: 0 auto;
  border: 1px solid #008000;
  padding: 40px;
  background: rgba(0, 20, 0, 0.2);
}

.algo-register-title {
  color: #00FF00;
  font-size: 1.1rem;
  margin-bottom: 24px;
  text-align: center;
}

.algo-form-group {
  margin-bottom: 16px;
}

.algo-form-label {
  display: block;
  color: #008000;
  font-size: 0.8rem;
  margin-bottom: 6px;
}

.algo-form-input {
  width: 100%;
  background: #000000;
  border: 1px solid #1a1a1a;
  color: #00FF00;
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  padding: 10px 14px;
  outline: none;
  transition: border-color 0.2s ease;
}

.algo-form-input:focus {
  border-color: #00FF00;
}

.algo-form-input::placeholder {
  color: #4a4a4a;
}

.algo-form-submit {
  width: 100%;
  background: #008000;
  color: #000000;
  border: none;
  padding: 12px;
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease;
  margin-top: 8px;
}

.algo-form-submit:hover {
  background: #00FF00;
}

/* === 页脚 === */
.algo-footer {
  border-top: 1px solid #008000;
  padding: 16px 20px;
  background: #000000;
}

.algo-footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 0.7rem;
  color: #808080;
}

.algo-footer-status {
  color: #00FF00;
}

.algo-footer-version {
  color: #008000;
}

.algo-footer-honor {
  color: #C0C0C0;
}

.algo-footer a {
  color: #808080;
  font-size: 0.7rem;
}

.algo-footer a:hover {
  color: #00FF00;
}

/* === 内页通用 === */
.algo-page-header {
  padding: 80px 0 40px;
  border-bottom: 1px solid #1a1a1a;
}

.algo-page-header h1 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.algo-page-header-desc {
  color: #C0C0C0;
  font-size: 0.85rem;
  max-width: 700px;
}

.algo-page-content {
  padding: 40px 0 60px;
}

.algo-page-content p {
  margin-bottom: 16px;
  font-size: 0.85rem;
  line-height: 1.8;
}

.algo-page-content h2 {
  font-size: 1.2rem;
  margin: 30px 0 16px;
  color: #00FF00;
}

.algo-page-content h3 {
  font-size: 1rem;
  margin: 24px 0 12px;
  color: #008000;
}

.algo-page-img-wrap {
  margin: 24px 0;
  border: 1px solid #1a1a1a;
}

.algo-page-code-block {
  background: rgba(0, 20, 0, 0.3);
  border: 1px solid #1a1a1a;
  padding: 16px;
  margin: 16px 0;
  overflow-x: auto;
  font-size: 0.8rem;
  color: #00FF00;
}

/* === 解码台页面 === */
.algo-decoder-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  min-height: 70vh;
  padding: 40px 0;
}

.algo-decoder-input-area {
  border: 1px solid #1a1a1a;
  padding: 24px;
}

.algo-decoder-input-title {
  color: #008000;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.algo-decoder-textarea {
  width: 100%;
  height: 200px;
  background: #000000;
  border: 1px solid #1a1a1a;
  color: #00FF00;
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  padding: 14px;
  outline: none;
  resize: vertical;
}

.algo-decoder-textarea:focus {
  border-color: #00FF00;
}

.algo-decoder-run-btn {
  margin-top: 16px;
  background: #008000;
  color: #000000;
  border: none;
  padding: 12px 32px;
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease;
}

.algo-decoder-run-btn:hover {
  background: #00FF00;
}

.algo-decoder-output-area {
  border: 1px solid #1a1a1a;
  background: rgba(0, 20, 0, 0.3);
  padding: 0;
  display: flex;
  flex-direction: column;
}

.algo-decoder-output-header {
  background: #0a0a0a;
  padding: 8px 16px;
  border-bottom: 1px solid #1a1a1a;
  display: flex;
  align-items: center;
  gap: 8px;
}

.algo-decoder-output-dot {
  width: 8px;
  height: 8px;
  display: inline-block;
}

.algo-decoder-output-dot-red { background: #ff5f56; }
.algo-decoder-output-dot-yellow { background: #ffbd2e; }
.algo-decoder-output-dot-green { background: #27c93f; }

.algo-decoder-output-body {
  padding: 16px;
  flex: 1;
  overflow-y: auto;
  font-size: 0.8rem;
  line-height: 1.8;
}

.algo-decoder-log-line {
  color: #C0C0C0;
  margin-bottom: 4px;
}

.algo-decoder-log-line .algo-log-ok {
  color: #00FF00;
}

.algo-decoder-log-line .algo-log-warn {
  color: #ffbd2e;
}

.algo-decoder-log-line .algo-log-err {
  color: #ff5f56;
}

/* === APP下载页 === */
.algo-app-page {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 60px 20px;
  position: relative;
  overflow: hidden;
}

.algo-app-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  z-index: 0;
}

.algo-app-content {
  position: relative;
  z-index: 1;
}

.algo-app-qr {
  max-width: 300px;
  margin: 30px auto;
  border: 2px solid #00FF00;
}

.algo-app-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 30px;
}

.algo-app-btn {
  padding: 12px 32px;
  border: 1px solid #00FF00;
  color: #00FF00;
  font-size: 0.85rem;
  font-family: 'Fira Code', monospace;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-block;
}

.algo-app-btn:hover {
  background: #00FF00;
  color: #000000;
  text-decoration: none;
}

/* === 光标闪烁动画 === */
@keyframes algo-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.algo-cursor {
  display: inline-block;
  width: 8px;
  height: 1.1em;
  background: #00FF00;
  animation: algo-blink 1s step-end infinite;
  vertical-align: text-bottom;
  margin-left: 2px;
}

/* === 响应式断点 === */

/* 1440px */
@media (max-width: 1440px) {
  .algo-container {
    max-width: 1200px;
  }
}

/* 1024px */
@media (max-width: 1024px) {
  .algo-wp-content,
  .algo-api-content,
  .algo-community-content {
    grid-template-columns: 1fr;
  }

  .algo-decoder-page {
    grid-template-columns: 1fr;
  }

  .algo-cli h1 {
    font-size: 1.6rem;
  }
}

/* 768px */
@media (max-width: 768px) {
  .algo-nav-links {
    display: none;
  }

  .algo-hamburger {
    display: flex;
  }

  .algo-case-grid {
    grid-template-columns: 1fr;
  }

  .algo-tool-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .algo-academy-list {
    grid-template-columns: 1fr;
  }

  .algo-section {
    padding: 40px 0;
  }

  .algo-cli h1 {
    font-size: 1.3rem;
  }

  .algo-page-header h1 {
    font-size: 1.3rem;
  }

  .algo-footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }

  .algo-community-links {
    flex-direction: column;
  }

  .algo-app-buttons {
    flex-direction: column;
    align-items: center;
  }
}

/* 360px */
@media (max-width: 360px) {
  html {
    font-size: 14px;
  }

  .algo-cli-input-wrap {
    flex-direction: column;
  }

  .algo-cli-input-prefix {
    border-right: none;
    border-bottom: 1px solid #1a1a1a;
  }

  .algo-tool-grid {
    grid-template-columns: 1fr;
  }

  .algo-register-wrap {
    padding: 20px;
  }

  .algo-nav-inner {
    padding: 10px 12px;
  }
}