:root {
    --pm-primary: #FF5C5C;
    --pm-primary-dark: #E64545;
    --pm-secondary: #3B82F6;
    --pm-secondary-dark: #2563EB;
    --pm-accent: #FBBF24;
    --pm-dark: #1E293B;
    --pm-light: #F8FAFC;
    --pm-gray: #64748B;
    --pm-gray-light: #E2E8F0;
}

* {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--pm-light);
    color: var(--pm-dark);
    overflow-x: hidden;
}

.pm-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.pm-header.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.pm-nav-link {
    position: relative;
    color: var(--pm-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
    text-decoration: none;
}

.pm-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--pm-primary);
    transition: width 0.3s ease;
}

.pm-nav-link:hover {
    color: var(--pm-primary);
}

.pm-nav-link:hover::after {
    width: 100%;
}

.pm-nav-link.active {
    color: var(--pm-primary);
    font-weight: 700;
}

.pm-nav-link.active::after {
    width: 100%;
}

.pm-mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.pm-mobile-menu.active {
    max-height: 600px;
}

.pm-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.pm-hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #FF5C5C 0%, #3B82F6 50%, #FBBF24 100%);
    background-size: 400% 400%;
    animation: gradient-shift 15s ease infinite;
}

.pm-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.5) 50%, rgba(0,0,0,0.8) 100%);
}

.pm-hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 0 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pm-hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    color: white;
    text-shadow: 2px 4px 8px rgba(0,0,0,0.7);
    margin-bottom: 1.5rem;
    animation: slide-up 0.6s ease-out forwards;
}

.pm-hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.8rem);
    color: rgba(255,255,255,0.9);
    text-shadow: 2px 4px 8px rgba(0,0,0,0.7);
    max-width: 800px;
    margin: 0 auto 2rem;
    line-height: 1.6;
    animation: slide-up 0.6s ease-out 0.2s forwards;
    opacity: 0;
}

.pm-hero-btns {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    margin-bottom: 2rem;
    animation: slide-up 0.6s ease-out 0.4s forwards;
    opacity: 0;
}

@media (min-width: 640px) {
    .pm-hero-btns {
        flex-direction: row;
    }
}

.pm-btn-primary {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, var(--pm-primary), #E64545);
    color: white;
    font-weight: 700;
    padding: 1rem 2.5rem;
    border-radius: 9999px;
    box-shadow: 0 10px 30px rgba(255,92,92,0.4);
    transition: all 0.3s ease;
    font-size: 1.125rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.pm-btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(255,92,92,0.5);
    color: white;
}

.pm-btn-primary:active {
    transform: scale(0.95);
}

.pm-btn-secondary {
    display: inline-flex;
    align-items: center;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: white;
    font-weight: 700;
    padding: 1rem 2.5rem;
    border-radius: 9999px;
    border: 2px solid rgba(255,255,255,0.5);
    transition: all 0.3s ease;
    font-size: 1.125rem;
    text-decoration: none;
}

.pm-btn-secondary:hover {
    background: rgba(255,255,255,0.3);
    color: white;
}

.pm-pokeball {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(180deg, #FF5C5C 0%, #FF5C5C 45%, #fff 45%, #fff 55%, #1E293B 55%, #1E293B 100%);
    box-shadow: 0 4px 15px rgba(255,92,92,0.3);
    animation: float 3s ease-in-out infinite;
}

.pm-pokeball::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    background: #fff;
    border-radius: 50%;
    border: 4px solid #1E293B;
}

.pm-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-top: 4px solid transparent;
}

.pm-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

.pm-card-primary { border-top-color: var(--pm-primary); }
.pm-card-secondary { border-top-color: var(--pm-secondary); }
.pm-card-accent { border-top-color: var(--pm-accent); }
.pm-card-green { border-top-color: #22c55e; }
.pm-card-purple { border-top-color: #a855f7; }
.pm-card-pink { border-top-color: #ec4899; }

.pm-article-card {
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.pm-article-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

.pm-article-card .pm-article-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.pm-article-card:hover .pm-article-img {
    transform: scale(1.05);
}

.pm-article-card .pm-article-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.pm-article-card .pm-article-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--pm-dark);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.pm-article-card .pm-article-excerpt {
    color: var(--pm-gray);
    font-size: 0.9375rem;
    line-height: 1.6;
    flex: 1;
}

.pm-article-card .pm-article-meta {
    display: flex;
    gap: 1rem;
    color: var(--pm-gray);
    font-size: 0.875rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--pm-gray-light);
}

.pm-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pm-tag-primary {
    background: rgba(255,92,92,0.1);
    color: var(--pm-primary);
}

.pm-tag-accent {
    background: rgba(251,191,36,0.1);
    color: #d97706;
}

.pm-screenshot-showcase {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 3.5rem;
}

.pm-phone-frame {
    position: relative;
    width: 280px;
    background: #1a1a2e;
    border-radius: 2.5rem;
    padding: 0.75rem;
    box-shadow:
        0 0 0 2px #333,
        0 0 0 4px #1a1a2e,
        0 25px 60px rgba(0,0,0,0.3),
        0 0 40px rgba(59,130,246,0.15);
    overflow: hidden;
}

.pm-phone-notch {
    position: absolute;
    top: 0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1.5rem;
    background: #1a1a2e;
    border-radius: 0 0 1rem 1rem;
    z-index: 5;
}

.pm-phone-screen {
    position: relative;
    width: 100%;
    aspect-ratio: 9 / 16;
    border-radius: 1.75rem;
    overflow: hidden;
    background: #000;
}

.pm-phone-home-bar {
    width: 100px;
    height: 4px;
    background: rgba(255,255,255,0.3);
    border-radius: 2px;
    margin: 0.5rem auto 0.25rem;
}

.pm-screenshot-info {
    min-height: 3.5rem;
}

.pm-screenshot-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    pointer-events: none;
    z-index: 10;
}

.pm-screenshot-nav .pm-carousel-btn {
    pointer-events: all;
}

@media (min-width: 576px) {
    .pm-phone-frame {
        width: 300px;
    }
}

@media (min-width: 768px) {
    .pm-phone-frame {
        width: 320px;
    }
}

@media (min-width: 992px) {
    .pm-phone-frame {
        width: 340px;
    }
}

.pm-carousel {
    position: relative;
    overflow: hidden;
    border-radius: 1rem;
}

.pm-carousel-item {
    transition: opacity 0.5s ease;
}

.pm-carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.85);
    color: var(--pm-dark);
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 10;
}

.pm-carousel-btn:hover {
    background: white;
    transform: translateY(-50%) scale(1.1);
}

.pm-carousel-btn.prev { left: 1rem; }
.pm-carousel-btn.next { right: 1rem; }

.pm-carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.pm-carousel-dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    border: none;
    background: var(--pm-gray-light);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.pm-carousel-dot.active {
    background: var(--pm-primary);
    width: 2rem;
    border-radius: 9999px;
}

.pm-code-box {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border: 2px dashed var(--pm-primary);
    font-family: 'Courier New', monospace;
    padding: 1rem;
    border-radius: 0.75rem;
    text-align: center;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--pm-dark);
}

.pm-fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.pm-fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.pm-delay-1 { transition-delay: 0.1s; }
.pm-delay-2 { transition-delay: 0.2s; }
.pm-delay-3 { transition-delay: 0.3s; }
.pm-delay-4 { transition-delay: 0.4s; }
.pm-delay-5 { transition-delay: 0.5s; }

.pm-toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: #10B981;
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    z-index: 9999;
    transition: transform 0.3s ease;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.pm-toast.show {
    transform: translateX(-50%) translateY(0);
}

.pm-toast.error {
    background: #EF4444;
}

.pm-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.92);
    z-index: 9998;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.pm-modal.active {
    display: flex;
}

.pm-modal img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 0.5rem;
}

.pm-modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    color: white;
    font-size: 2.5rem;
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 10;
    line-height: 1;
}

.pm-modal-close:hover {
    color: var(--pm-primary);
}

.pm-back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: linear-gradient(135deg, var(--pm-primary), #E64545);
    color: white;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(255,92,92,0.4);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 50;
}

.pm-back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.pm-back-to-top:hover {
    transform: scale(1.1);
}

.pm-float-contact {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    background: linear-gradient(135deg, var(--pm-accent), #f59e0b);
    color: var(--pm-dark);
    padding: 0.875rem 1.25rem;
    border-radius: 9999px;
    box-shadow: 0 4px 20px rgba(251,191,36,0.4);
    text-decoration: none;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    z-index: 50;
    animation: float 3s ease-in-out infinite;
}

.pm-float-contact:hover {
    transform: scale(1.05);
    color: var(--pm-dark);
}

.pm-footer {
    background: linear-gradient(180deg, var(--pm-dark), #0f172a);
    color: white;
    padding: 4rem 0 2rem;
}

.pm-footer a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.pm-footer a:hover {
    color: white;
}

.pm-article-content {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: #334155;
}

.pm-article-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--pm-dark);
    margin: 2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--pm-gray-light);
}

.pm-article-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--pm-dark);
    margin: 1.5rem 0 0.75rem;
}

.pm-article-content p {
    margin-bottom: 1rem;
}

.pm-article-content ul,
.pm-article-content ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.pm-article-content li {
    margin-bottom: 0.5rem;
}

.pm-article-content code {
    background: #f1f5f9;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9375rem;
}

.pm-section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.pm-section-title h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 900;
    color: var(--pm-dark);
    margin-bottom: 1rem;
}

.pm-section-title .pm-title-bar {
    width: 5rem;
    height: 4px;
    background: linear-gradient(90deg, var(--pm-primary), var(--pm-secondary));
    margin: 0 auto 1.5rem;
    border-radius: 9999px;
}

.pm-section-title p {
    color: var(--pm-gray);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.pm-highlight-box {
    background: linear-gradient(135deg, #fffbeb, #fef3c7);
    border-left: 4px solid var(--pm-accent);
    padding: 1.25rem 1.5rem;
    border-radius: 0.5rem;
    margin: 1.5rem 0;
}

.pm-highlight-box ul {
    padding-left: 1.25rem;
    margin-bottom: 0;
}

.cursor-pointer {
    cursor: pointer;
}

.border-white-10 {
    border-color: rgba(255,255,255,0.1) !important;
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes slide-up {
    0% { transform: translateY(30px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 10px 30px rgba(255,92,92,0.4); }
    50% { box-shadow: 0 10px 50px rgba(255,92,92,0.7); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-12px); }
    60% { transform: translateX(-50%) translateY(-6px); }
}

@media (max-width: 768px) {
    .pm-hero {
        min-height: 100svh;
    }

    .pm-float-contact span {
        display: none;
    }

    .pm-float-contact {
        padding: 0.875rem;
    }

    .pm-back-to-top {
        width: 3rem;
        height: 3rem;
        bottom: 1.5rem;
        right: 1.5rem;
    }

    .pm-carousel-btn {
        width: 2.5rem;
        height: 2.5rem;
    }

    .pm-card {
        padding: 1.5rem;
    }

    .pm-section-title {
        margin-bottom: 2.5rem;
    }
}

@media (max-width: 576px) {
    .pm-hero-title {
        font-size: 2.25rem;
    }

    .pm-hero-subtitle {
        font-size: 1rem;
    }

    .pm-btn-primary,
    .pm-btn-secondary {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }

    .pm-code-box {
        font-size: 1rem;
        padding: 0.75rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

.pm-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .pm-container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .pm-container {
        padding: 0 2rem;
    }
}

.pm-gradient-text {
    background: linear-gradient(135deg, var(--pm-primary), var(--pm-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pm-glass {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.img-hover-zoom {
    overflow: hidden;
}

.img-hover-zoom img {
    transition: transform 0.5s ease;
}

.img-hover-zoom:hover img {
    transform: scale(1.05);
}