/* style.css — 完美对战平台 | Skin Trading | Variant N — Organic Earth */

/* ═══════════════════════════════════════════
   CSS CUSTOM PROPERTIES
═══════════════════════════════════════════ */
:root {
  --bg:        #0e0b08;
  --bg2:       #171210;
  --surface:   rgba(255,255,255,0.04);
  --surface-h: rgba(255,255,255,0.07);
  --border:    rgba(255,255,255,0.08);
  --border-h:  rgba(255,255,255,0.18);
  --accent:    #c8853a;
  --accent2:   #e8b86d;
  --glow:      rgba(200,133,58,0.35);
  --txt:       #f0ebe3;
  --txt-m:     rgba(240,235,227,0.55);
  --txt-d:     rgba(240,235,227,0.35);
  --radius:    16px;
  --radius-sm: 10px;
  --trans:     .22s ease;
  --earth1:    rgba(120,90,60,0.25);
  --earth2:    rgba(80,55,30,0.4);
  --forest:    rgba(30,50,30,0.3);
}

/* ═══════════════════════════════════════════
   RESET & BASE
═══════════════════════════════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background: var(--bg);
  color: var(--txt);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Organic dot pattern overlay on body */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(120,90,60,0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

/* ═══════════════════════════════════════════
   TYPOGRAPHY
═══════════════════════════════════════════ */
h1, h2, h3, h4 {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  line-height: 1.2;
  color: var(--txt);
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); letter-spacing: -0.015em; }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.45rem); letter-spacing: -0.01em; }
h4 { font-size: 1.05rem; font-weight: 600; }

p {
  color: var(--txt-m);
  line-height: 1.75;
  margin-bottom: 1rem;
}

p:last-child { margin-bottom: 0; }

a {
  color: var(--accent2);
  text-decoration: none;
  transition: color var(--trans);
}

a:hover { color: var(--accent); }

strong { color: var(--txt); font-weight: 600; }

em { color: var(--accent2); font-style: italic; }

ul, ol {
  padding-left: 1.5rem;
  color: var(--txt-m);
}

ul li, ol li {
  margin-bottom: 0.4rem;
  line-height: 1.65;
}

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

section { position: relative; z-index: 1; }

/* ═══════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #0e0b08;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 13px 28px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--trans), box-shadow var(--trans), opacity var(--trans);
  box-shadow: 0 8px 32px rgba(60,40,20,0.4), 0 4px 16px var(--glow);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.025);
  box-shadow: 0 14px 40px rgba(60,40,20,0.5), 0 6px 24px var(--glow);
  color: #0e0b08;
  opacity: 0.95;
}

.btn-primary:active {
  transform: translateY(0) scale(0.99);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--txt);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 26px;
  border-radius: 50px;
  border: 1px solid var(--border);
  cursor: pointer;
  text-decoration: none;
  transition: border-color var(--trans), background var(--trans), color var(--trans), transform var(--trans);
  white-space: nowrap;
}

.btn-secondary:hover {
  border-color: var(--accent);
  background: rgba(200,133,58,0.08);
  color: var(--accent2);
  transform: translateY(-1px);
}

/* ═══════════════════════════════════════════
   UTILITY CLASSES
═══════════════════════════════════════════ */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(200,133,58,0.12);
  border: 1px solid rgba(200,133,58,0.25);
  border-radius: 50px;
  padding: 5px 14px;
  margin-bottom: 16px;
}

.section-title {
  margin-bottom: 10px;
}

.section-sub {
  color: var(--txt-m);
  max-width: 600px;
  margin-bottom: 40px;
}

/* ═══════════════════════════════════════════
   SITE HEADER
═══════════════════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(14,11,8,0.6);
  border-bottom: 1px solid transparent;
  transition: background var(--trans), border-color var(--trans), backdrop-filter var(--trans);
}

.site-header.scrolled {
  background: rgba(14,11,8,0.88);
  border-bottom-color: var(--border);
  backdrop-filter: blur(18px) saturate(1.5);
  -webkit-backdrop-filter: blur(18px) saturate(1.5);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--txt);
  text-decoration: none;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.02em;
  transition: opacity var(--trans);
}

.nav-logo::before {
  content: '⚔️';
  font-size: 1.1rem;
}

.nav-logo:hover {
  opacity: 0.8;
  color: var(--txt);
}

.nav-logo span {
  color: var(--accent2);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  padding: 0;
  margin: 0 auto;
}

.nav-links li a {
  color: var(--txt-m);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 50px;
  text-decoration: none;
  transition: color var(--trans), background var(--trans);
  display: block;
}

.nav-links li a:hover {
  color: var(--txt);
  background: var(--surface);
}

.nav-links li a.active {
  color: var(--accent2);
  background: rgba(200,133,58,0.1);
}

.nav-cta {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-cta .btn-primary {
  padding: 9px 20px;
  font-size: 0.85rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
  border-radius: var(--radius-sm);
  transition: background var(--trans);
}

.hamburger:hover { background: var(--surface); }

.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--txt);
  border-radius: 2px;
  transition: transform var(--trans), opacity var(--trans);
}

/* Nav open state */
.nav-open .hamburger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-open .hamburger span:nth-child(2) {
  opacity: 0;
}

.nav-open .hamburger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ═══════════════════════════════════════════
   HERO SECTION — Variant N Organic Earth
═══════════════════════════════════════════ */
#hero {
  position: relative;
  padding: 80px 0 60px;
  overflow: hidden;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Organic blob shapes */
#hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -140px;
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(120,90,60,0.18) 0%, transparent 70%);
  border-radius: 60% 40% 70% 30% / 50% 60% 40% 70%;
  animation: blob-float 8s ease-in-out infinite alternate;
  pointer-events: none;
}

#hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(30,60,30,0.2) 0%, transparent 70%);
  border-radius: 40% 60% 30% 70% / 60% 40% 70% 30%;
  animation: blob-float 10s ease-in-out infinite alternate-reverse;
  pointer-events: none;
}

@keyframes blob-float {
  0% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -15px) scale(1.04); }
  66% { transform: translate(-10px, 10px) scale(0.97); }
  100% { transform: translate(15px, 20px) scale(1.02); }
}

/* Organic bob animation for elements */
@keyframes organic-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent2);
  background: rgba(40,30,20,0.6);
  border: 1px solid rgba(200,133,58,0.3);
  border-radius: 50px;
  padding: 6px 16px;
  margin-bottom: 24px;
}

.hero-badge::before {
  content: '🎮';
  font-size: 0.9rem;
}

.hero-title {
  margin-bottom: 20px;
  line-height: 1.15;
}

.hero-title strong {
  color: var(--accent2);
  display: block;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--txt-m);
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Score Widget Panel */
.score-widget {
  background: rgba(40,30,20,0.6);
  border: 1px solid var(--earth1);
  border-radius: 20px;
  padding: 32px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px rgba(60,40,20,0.4);
  position: relative;
  overflow: hidden;
  animation: organic-bob 4s ease-in-out infinite;
}

.score-widget::before {
  content: '';
  position: absolute;
  top: -30px;
  right: -30px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(200,133,58,0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.score-widget-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--txt-d);
  margin-bottom: 20px;
}

.score-main {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.score-circle {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: conic-gradient(var(--accent) 0deg 306deg, rgba(120,90,60,0.3) 306deg 360deg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
  box-shadow: 0 4px 20px rgba(200,133,58,0.3);
}

.score-circle::before {
  content: '';
  position: absolute;
  width: 68px;
  height: 68px;
  background: #1a1208;
  border-radius: 50%;
}

.score-number {
  position: relative;
  z-index: 1;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent2);
  line-height: 1;
}

.score-info h3 {
  font-size: 1.35rem;
  margin-bottom: 4px;
  font-weight: 700;
}

.score-rating-label {
  color: var(--accent2);
  font-weight: 700;
  font-size: 0.85rem;
}

.score-verdict-short {
  font-size: 0.82rem;
  color: var(--txt-m);
  margin-top: 2px;
}

.score-breakdown {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.score-bar-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.score-bar-label {
  font-size: 0.78rem;
  color: var(--txt-m);
  width: 70px;
  flex-shrink: 0;
}

.score-bar-track {
  flex: 1;
  height: 5px;
  background: rgba(120,90,60,0.2);
  border-radius: 50px;
  overflow: hidden;
}

.score-bar-fill {
  height: 100%;
  border-radius: 50px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.score-bar-val {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent2);
  width: 28px;
  text-align: right;
  flex-shrink: 0;
}

/* DEFI PANEL — 4 stat strip */
.defi-panel {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--earth1);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 20px;
}

.dp-item {
  background: rgba(23,18,16,0.95);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background var(--trans);
}

.dp-item:hover {
  background: rgba(40,30,20,0.9);
}

.dp-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent2);
  line-height: 1.1;
}

.dp-label {
  font-size: 0.75rem;
  color: var(--txt-d);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ═══════════════════════════════════════════
   TICKER / SCROLLING STRIP
═══════════════════════════════════════════ */
.ticker-wrap {
  width: 100%;
  overflow: hidden;
  background: rgba(23,18,16,0.95);
  border-top: 1px solid var(--earth1);
  border-bottom: 1px solid var(--earth1);
  padding: 10px 0;
  position: relative;
  z-index: 2;
}

.ticker-wrap::before,
.ticker-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100px;
  z-index: 2;
  pointer-events: none;
}

.ticker-wrap::before {
  left: 0;
  background: linear-gradient(to right, #0e0b08, transparent);
}

.ticker-wrap::after {
  right: 0;
  background: linear-gradient(to left, #0e0b08, transparent);
}

.ticker {
  display: flex;
  gap: 0;
  width: max-content;
  animation: ticker-scroll 38s linear infinite;
}

.ticker:hover {
  animation-play-state: paused;
}

@keyframes ticker-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 28px;
  font-size: 0.8rem;
  color: var(--txt-m);
  white-space: nowrap;
  border-right: 1px solid var(--border);
}

.ticker-item span.tag {
  color: var(--accent);
  font-weight: 700;
}

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

/* ═══════════════════════════════════════════
   KEY STATS GRID (#intro / bento layout)
═══════════════════════════════════════════ */
#intro {
  padding: 72px 0;
}

.ig-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: auto;
  gap: 16px;
}

.ig {
  background: rgba(40,30,20,0.6);
  border: 1px solid rgba(120,90,60,0.25);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
  box-shadow: 0 8px 32px rgba(60,40,20,0.4);
  position: relative;
  overflow: hidden;
}

.ig::after {
  content: '';
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(200,133,58,0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.ig:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 40px rgba(60,40,20,0.5);
  border-color: rgba(200,133,58,0.25);
}

.ig.w2 {
  grid-column: span 2;
}

.ig-icon {
  font-size: 1.6rem;
  margin-bottom: 12px;
  animation: organic-bob 4s ease-in-out infinite;
}

.ig-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent2);
  line-height: 1.1;
  margin-bottom: 4px;
}

.ig h3 {
  font-size: 0.95rem;
  margin-bottom: 6px;
  color: var(--txt);
}

.ig p {
  font-size: 0.82rem;
  color: var(--txt-m);
  margin-bottom: 0;
  line-height: 1.55;
}

.ig-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 50px;
  margin-top: 8px;
}

.ig-tag.positive {
  background: rgba(60,160,60,0.15);
  color: #6fcf6f;
  border: 1px solid rgba(60,160,60,0.2);
}

.ig-tag.neutral {
  background: rgba(200,133,58,0.12);
  color: var(--accent2);
  border: 1px solid rgba(200,133,58,0.2);
}

.ig-tag.warning {
  background: rgba(200,100,50,0.12);
  color: #e07040;
  border: 1px solid rgba(200,100,50,0.2);
}

/* Wide card content layout */
.ig.w2 .ig-wide-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

/* ═══════════════════════════════════════════
   FEATURES SECTION
═══════════════════════════════════════════ */
#features {
  padding: 72px 0;
  background: linear-gradient(180deg, transparent, rgba(23,18,16,0.5), transparent);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: rgba(40,30,20,0.6);
  border: 1px solid rgba(120,90,60,0.25);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
  box-shadow: 0 8px 32px rgba(60,40,20,0.4);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--trans);
}

.feature-card:hover {
  transform: translateY(-5px) scale(1.01);
  box-shadow: 0 14px 40px rgba(60,40,20,0.5);
  border-color: rgba(200,133,58,0.25);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 14px;
  display: block;
  animation: organic-bob 4s ease-in-out infinite;
}

.feature-card:nth-child(2) .feature-icon { animation-delay: 0.5s; }
.feature-card:nth-child(3) .feature-icon { animation-delay: 1s; }
.feature-card:nth-child(4) .feature-icon { animation-delay: 1.5s; }
.feature-card:nth-child(5) .feature-icon { animation-delay: 2s; }
.feature-card:nth-child(6) .feature-icon { animation-delay: 2.5s; }

.feature-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--txt);
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--txt-m);
  margin-bottom: 0;
  line-height: 1.6;
}

/* ═══════════════════════════════════════════
   PROS & CONS
═══════════════════════════════════════════ */
.pros-cons-section {
  padding: 72px 0;
}

.pros-cons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.pros-box, .cons-box {
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 8px 32px rgba(60,40,20,0.4);
}

.pros-box {
  background: rgba(30,60,30,0.3);
  border: 1px solid rgba(60,140,60,0.2);
}

.cons-box {
  background: rgba(60,20,20,0.3);
  border: 1px solid rgba(140,60,60,0.2);
}

.pros-cons-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.pros-box .pros-cons-heading { color: #7ed07e; }
.cons-box .pros-cons-heading { color: #e07878; }

.pros-cons-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pros-cons-list li {