/*
Theme Name: 秒萌知产网
Theme URI: https://miaomeng.aiboy.chat
Author: 南京秒萌信息科技有限公司
Description: 专业知识产权服务平台主题 — 软著申请·专利交易
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: miaomeng-ip
*/

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  /* — Palette — */
  --c-midnight:    #1a0a0a;
  --c-navy:        #2d0f0f;
  --c-deep-blue:   #4a1515;
  --c-primary:     #b91c1c;
  --c-primary-light:#dc2626;
  --c-sky:         #f87171;
  --c-amber:       #f59e0b;
  --c-amber-dark:  #d97706;
  --c-amber-light: #fbbf24;
  --c-white:       #ffffff;
  --c-off-white:   #f7f9fc;
  --c-cool-gray:   #f0f4f8;
  --c-slate-100:   #e2e8f0;
  --c-slate-300:   #cbd5e1;
  --c-slate-500:   #64748b;
  --c-slate-700:   #334155;
  --c-slate-900:   #0f172a;

  /* — Typography — */
  --ff-display: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  --ff-body:    "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  --ff-mono:    "JetBrains Mono", "Fira Code", "SF Mono", monospace;

  /* — Spacing — */
  --sp-xs:  0.25rem;
  --sp-sm:  0.5rem;
  --sp-md:  1rem;
  --sp-lg:  1.5rem;
  --sp-xl:  2rem;
  --sp-2xl: 3rem;
  --sp-3xl: 4rem;
  --sp-4xl: 6rem;
  --sp-5xl: 8rem;

  /* — Sizes — */
  --max-w:     1200px;
  --header-h:  72px;

  /* — Shadows — */
  --shadow-sm:  0 1px 3px rgba(15,32,68,.06), 0 1px 2px rgba(15,32,68,.04);
  --shadow-md:  0 4px 16px rgba(15,32,68,.08), 0 2px 4px rgba(15,32,68,.04);
  --shadow-lg:  0 12px 40px rgba(15,32,68,.12), 0 4px 8px rgba(15,32,68,.04);
  --shadow-xl:  0 20px 60px rgba(15,32,68,.16), 0 8px 16px rgba(15,32,68,.06);
  --shadow-blue: 0 8px 32px rgba(185,28,28,.18);
  --shadow-amber:0 8px 32px rgba(245,158,11,.22);

  /* — Transitions — */
  --ease-out: cubic-bezier(.16,1,.3,1);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);
  --dur-fast: 200ms;
  --dur-norm: 400ms;
  --dur-slow: 700ms;

  /* — Radius — */
  --r-sm:  6px;
  --r-md:  12px;
  --r-lg:  20px;
  --r-xl:  28px;
  --r-full:9999px;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}
body{font-family:var(--ff-body);color:var(--c-slate-900);background:var(--c-white);line-height:1.7;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:color var(--dur-fast) ease}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-family:var(--ff-display);line-height:1.25;font-weight:700}

/* ============================================================
   UTILITIES
   ============================================================ */
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 var(--sp-xl)}
.section-pad{padding:var(--sp-5xl) 0}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(36px);transition:opacity var(--dur-slow) var(--ease-out),transform var(--dur-slow) var(--ease-out)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:100ms}
.reveal-delay-2{transition-delay:200ms}
.reveal-delay-3{transition-delay:300ms}
.reveal-delay-4{transition-delay:400ms}

/* Section header */
.section-label{display:inline-flex;align-items:center;gap:var(--sp-sm);font-size:.8125rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--c-primary);margin-bottom:var(--sp-md)}
.section-label::before{content:"";width:24px;height:2px;background:var(--c-primary);border-radius:2px}
.section-title{font-size:clamp(1.75rem,4vw,2.5rem);color:var(--c-slate-900);margin-bottom:var(--sp-md)}
.section-subtitle{font-size:1.0625rem;color:var(--c-slate-500);max-width:620px;line-height:1.8}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{position:fixed;top:0;left:0;width:100%;height:var(--header-h);z-index:1000;transition:background var(--dur-norm) ease,box-shadow var(--dur-norm) ease,backdrop-filter var(--dur-norm) ease}
.site-header--transparent{background:transparent}
.site-header--solid{background:rgba(26,10,10,.92);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);box-shadow:0 1px 0 rgba(255,255,255,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;max-width:var(--max-w);margin:0 auto;padding:0 var(--sp-xl)}

/* Logo */
.site-logo{display:flex;align-items:center;gap:var(--sp-sm)}
.site-logo__icon{width:36px;height:36px;background:linear-gradient(135deg,#b91c1c,#ef4444);border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.site-logo__icon::after{content:"";position:absolute;inset:2px;border-radius:4px;border:1.5px solid rgba(255,255,255,.3)}
.site-logo__icon svg{width:20px;height:20px;fill:var(--c-white)}
.site-logo__text{font-size:1.25rem;font-weight:700;color:var(--c-white);letter-spacing:-.01em}
.site-logo__dot{color:var(--c-amber)}

/* Nav */
.main-nav{display:flex;align-items:center;gap:var(--sp-2xl)}
.main-nav__link{font-size:.9375rem;color:rgba(255,255,255,.7);font-weight:500;position:relative;padding:var(--sp-xs) 0;transition:color var(--dur-fast) ease}
.main-nav__link::after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--c-amber);border-radius:2px;transition:width var(--dur-norm) var(--ease-out)}
.main-nav__link:hover{color:var(--c-white)}
.main-nav__link:hover::after{width:100%}
.main-nav__cta{display:inline-flex;align-items:center;gap:var(--sp-sm);font-size:.875rem;font-weight:600;color:var(--c-midnight);background:var(--c-amber);padding:.5rem 1.25rem;border-radius:var(--r-full);transition:all var(--dur-fast) ease;box-shadow:var(--shadow-amber)}
.main-nav__cta:hover{background:var(--c-amber-light);transform:translateY(-1px);box-shadow:0 10px 36px rgba(245,158,11,.3)}

/* Mobile toggle */
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:var(--sp-sm)}
.nav-toggle span{width:22px;height:2px;background:var(--c-white);border-radius:2px;transition:all var(--dur-fast) ease}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,var(--c-midnight) 0%,var(--c-navy) 40%,var(--c-deep-blue) 100%);overflow:hidden;padding-top:var(--header-h)}

/* Geometric background shapes */
.hero__shapes{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero__shape{position:absolute;border-radius:50%;opacity:.06;background:var(--c-primary-light)}
.hero__shape--1{width:600px;height:600px;top:-200px;right:-100px;animation:float-1 20s ease-in-out infinite}
.hero__shape--2{width:400px;height:400px;bottom:-100px;left:-80px;animation:float-2 25s ease-in-out infinite;background:var(--c-sky)}
.hero__shape--3{width:200px;height:200px;top:40%;left:15%;animation:float-3 18s ease-in-out infinite;background:var(--c-amber);opacity:.04}

/* Grid overlay */
.hero__grid{position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:60px 60px;pointer-events:none}

/* Radial glow */
.hero__glow{position:absolute;width:800px;height:800px;top:50%;left:50%;transform:translate(-50%,-50%);background:radial-gradient(ellipse,rgba(185,28,28,.12) 0%,transparent 70%);pointer-events:none}

.hero__content{position:relative;z-index:2;text-align:center;max-width:800px;padding:var(--sp-3xl) var(--sp-xl)}

.hero__badge{display:inline-flex;align-items:center;gap:var(--sp-sm);background:rgba(185,28,28,.15);border:1px solid rgba(185,28,28,.25);border-radius:var(--r-full);padding:.375rem 1rem;font-size:.8125rem;color:var(--c-sky);font-weight:500;margin-bottom:var(--sp-xl);backdrop-filter:blur(8px)}
.hero__badge-dot{width:6px;height:6px;border-radius:50%;background:var(--c-amber);animation:pulse-dot 2s ease-in-out infinite}

.hero__title{font-size:clamp(2.25rem,6vw,3.75rem);color:var(--c-white);font-weight:800;letter-spacing:-.02em;line-height:1.15;margin-bottom:var(--sp-lg)}
.hero__title-accent{background:linear-gradient(135deg,var(--c-amber),var(--c-amber-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

.hero__subtitle{font-size:clamp(1rem,2.5vw,1.25rem);color:rgba(255,255,255,.6);line-height:1.8;margin-bottom:var(--sp-2xl);max-width:600px;margin-left:auto;margin-right:auto}

.hero__features{display:flex;justify-content:center;gap:var(--sp-lg);flex-wrap:wrap;margin-bottom:var(--sp-2xl)}
.hero__feature{display:flex;align-items:center;gap:var(--sp-sm);font-size:.9375rem;color:rgba(255,255,255,.75);font-weight:500}
.hero__feature-icon{width:20px;height:20px;border-radius:50%;background:rgba(245,158,11,.15);display:flex;align-items:center;justify-content:center}
.hero__feature-icon svg{width:11px;height:11px;fill:var(--c-amber)}

.hero__actions{display:flex;justify-content:center;gap:var(--sp-md);flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-sm);font-family:var(--ff-display);font-weight:600;border:none;cursor:pointer;border-radius:var(--r-full);transition:all var(--dur-fast) var(--ease-out);font-size:1rem;line-height:1}
.btn--primary{background:var(--c-amber);color:var(--c-midnight);padding:.875rem 2rem;box-shadow:var(--shadow-amber)}
.btn--primary:hover{background:var(--c-amber-light);transform:translateY(-2px);box-shadow:0 12px 40px rgba(245,158,11,.35)}
.btn--outline{background:transparent;color:var(--c-white);padding:calc(.875rem - 1px) calc(2rem - 1px);border:1.5px solid rgba(255,255,255,.2)}
.btn--outline:hover{border-color:rgba(255,255,255,.5);background:rgba(255,255,255,.05);transform:translateY(-2px)}
.btn svg{width:16px;height:16px}

/* Scroll indicator */
.hero__scroll{position:absolute;bottom:var(--sp-2xl);left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:var(--sp-sm);color:rgba(255,255,255,.35);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase}
.hero__scroll-line{width:1px;height:40px;background:linear-gradient(to bottom,rgba(255,255,255,.3),transparent);animation:scroll-line 2s ease-in-out infinite}

/* Diagonal divider */
.hero__divider{position:absolute;bottom:-1px;left:0;width:100%;overflow:hidden;line-height:0}
.hero__divider svg{position:relative;display:block;width:calc(100% + 1.3px);height:80px}
.hero__divider svg path{fill:var(--c-off-white)}

/* ============================================================
   ABOUT
   ============================================================ */
.about{background:var(--c-off-white);padding:var(--sp-5xl) 0 var(--sp-5xl)}
.about__grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-4xl);align-items:center}
.about__visual{position:relative}
.about__card{background:var(--c-white);border-radius:var(--r-lg);padding:var(--sp-2xl);box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.about__card::before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(to bottom,var(--c-primary),var(--c-sky))}
.about__stats{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-lg);margin-top:var(--sp-xl)}
.about__stat{text-align:center;padding:var(--sp-lg);background:var(--c-cool-gray);border-radius:var(--r-md)}
.about__stat-number{font-size:2rem;font-weight:800;color:var(--c-primary);font-family:var(--ff-mono);letter-spacing:-.02em}
.about__stat-label{font-size:.8125rem;color:var(--c-slate-500);margin-top:var(--sp-xs);font-weight:500}
.about__text{font-size:1.0625rem;color:var(--c-slate-700);line-height:2}
.about__text p+p{margin-top:var(--sp-lg)}
.about__highlights{display:flex;flex-wrap:wrap;gap:var(--sp-sm);margin-top:var(--sp-xl)}
.about__highlight{display:inline-flex;align-items:center;gap:6px;background:rgba(185,28,28,.06);color:var(--c-primary);padding:.375rem .875rem;border-radius:var(--r-full);font-size:.8125rem;font-weight:600}
.about__highlight svg{width:14px;height:14px;fill:var(--c-primary)}

/* ============================================================
   SERVICES
   ============================================================ */
.services{background:var(--c-white);padding:var(--sp-5xl) 0}
.services__header{text-align:center;margin-bottom:var(--sp-3xl)}
.services__grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-xl)}
.service-card{position:relative;border-radius:var(--r-lg);padding:var(--sp-2xl) var(--sp-2xl) var(--sp-2xl);overflow:hidden;transition:transform var(--dur-norm) var(--ease-out),box-shadow var(--dur-norm) var(--ease-out);cursor:default}
.service-card:hover{transform:translateY(-4px)}

.service-card--copyright{background:linear-gradient(145deg,#0f2044 0%,#1a3a6e 100%);color:var(--c-white)}
.service-card--copyright:hover{box-shadow:var(--shadow-blue)}
.service-card--patent{background:linear-gradient(145deg,#1a1207 0%,#3d2e0a 100%);color:var(--c-white)}
.service-card--patent:hover{box-shadow:var(--shadow-amber)}

.service-card__icon{width:56px;height:56px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;margin-bottom:var(--sp-xl)}
.service-card--copyright .service-card__icon{background:rgba(96,165,250,.15)}
.service-card--patent .service-card__icon{background:rgba(245,158,11,.15)}
.service-card__icon svg{width:28px;height:28px}
.service-card--copyright .service-card__icon svg{fill:var(--c-sky)}
.service-card--patent .service-card__icon svg{fill:var(--c-amber)}

.service-card__label{font-size:.75rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;opacity:.5;margin-bottom:var(--sp-sm)}
.service-card__title{font-size:1.5rem;font-weight:700;margin-bottom:var(--sp-md)}
.service-card__desc{font-size:.9375rem;opacity:.7;line-height:1.8;margin-bottom:var(--sp-xl)}
.service-card__features{display:flex;flex-direction:column;gap:var(--sp-sm)}
.service-card__feature{display:flex;align-items:flex-start;gap:var(--sp-sm);font-size:.9375rem;opacity:.85;line-height:1.6}
.service-card__feature svg{width:18px;height:18px;flex-shrink:0;margin-top:3px}
.service-card--copyright .service-card__feature svg{fill:var(--c-sky)}
.service-card--patent .service-card__feature svg{fill:var(--c-amber)}

/* Decorative corner */
.service-card__corner{position:absolute;top:0;right:0;width:120px;height:120px;opacity:.05}
.service-card__corner svg{width:100%;height:100%}

/* ============================================================
   PRICING
   ============================================================ */
.pricing{background:var(--c-off-white);padding:var(--sp-5xl) 0;position:relative}
.pricing__header{text-align:center;margin-bottom:var(--sp-3xl)}
.pricing__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-xl);align-items:start}

.pricing-card{background:var(--c-white);border-radius:var(--r-lg);padding:var(--sp-2xl);box-shadow:var(--shadow-sm);border:1px solid var(--c-slate-100);transition:all var(--dur-norm) var(--ease-out);position:relative;overflow:hidden}
.pricing-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}

/* Featured card */
.pricing-card--featured{border-color:var(--c-primary);box-shadow:var(--shadow-blue);transform:scale(1.03)}
.pricing-card--featured:hover{transform:scale(1.03) translateY(-4px)}
.pricing-card__badge{position:absolute;top:var(--sp-lg);right:calc(-1 * var(--sp-lg));background:var(--c-primary);color:var(--c-white);font-size:.75rem;font-weight:600;padding:.25rem 2.5rem .25rem 1rem;transform:rotate(0deg);letter-spacing:.04em;display:none}
.pricing-card--featured .pricing-card__badge{display:block;top:0;right:0;transform:none;padding:.375rem 1rem;border-radius:0 0 0 var(--r-md);font-size:.75rem}

.pricing-card__header{text-align:center;padding-bottom:var(--sp-xl);border-bottom:1px solid var(--c-slate-100);margin-bottom:var(--sp-xl)}
.pricing-card__icon{width:48px;height:48px;border-radius:var(--r-md);margin:0 auto var(--sp-md);display:flex;align-items:center;justify-content:center}
.pricing-card__icon svg{width:24px;height:24px}
.pricing-card__name{font-size:1.125rem;font-weight:700;color:var(--c-slate-900);margin-bottom:var(--sp-sm)}
.pricing-card__desc{font-size:.8125rem;color:var(--c-slate-500);line-height:1.6}

.pricing-card__price{display:flex;align-items:baseline;justify-content:center;gap:var(--sp-xs);margin-top:var(--sp-lg)}
.pricing-card__currency{font-size:1.25rem;font-weight:700;color:var(--c-slate-900)}
.pricing-card__amount{font-size:2.5rem;font-weight:800;color:var(--c-slate-900);font-family:var(--ff-mono);letter-spacing:-.03em;line-height:1}
.pricing-card__unit{font-size:.875rem;color:var(--c-slate-500)}
.pricing-card__note{font-size:.75rem;color:var(--c-amber-dark);font-weight:600;margin-top:var(--sp-xs)}

.pricing-card__consult{margin-top:var(--sp-md);font-size:1.375rem;font-weight:700;color:var(--c-primary)}

.pricing-card__features{display:flex;flex-direction:column;gap:var(--sp-sm);margin-bottom:var(--sp-xl)}
.pricing-card__feature{display:flex;align-items:center;gap:var(--sp-sm);font-size:.9375rem;color:var(--c-slate-700)}
.pricing-card__feature svg{width:16px;height:16px;flex-shrink:0;fill:var(--c-primary)}

.pricing-card__cta{display:block;width:100%;text-align:center;padding:.75rem;border-radius:var(--r-full);font-weight:600;font-size:.9375rem;transition:all var(--dur-fast) ease;border:none;cursor:pointer;font-family:var(--ff-display)}
.pricing-card__cta--primary{background:var(--c-primary);color:var(--c-white);box-shadow:var(--shadow-blue)}
.pricing-card__cta--primary:hover{background:var(--c-primary-light);transform:translateY(-1px)}
.pricing-card__cta--outline{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.pricing-card__cta--outline:hover{background:rgba(185,28,28,.05);transform:translateY(-1px)}

/* Featured card colors */
.pricing-card--featured .pricing-card__icon{background:rgba(185,28,28,.1)}
.pricing-card--featured .pricing-card__icon svg{fill:var(--c-primary)}

/* Non-featured icon colors */
.pricing-card:not(.pricing-card--featured) .pricing-card__icon{background:var(--c-cool-gray)}
.pricing-card:not(.pricing-card--featured) .pricing-card__icon svg{fill:var(--c-slate-700)}

/* ============================================================
   ADVANTAGES
   ============================================================ */
.advantages{background:var(--c-white);padding:var(--sp-5xl) 0}
.advantages__header{text-align:center;margin-bottom:var(--sp-3xl)}
.advantages__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-xl)}

.adv-card{text-align:center;padding:var(--sp-2xl) var(--sp-lg);border-radius:var(--r-lg);transition:all var(--dur-norm) var(--ease-out);position:relative;background:var(--c-white);border:1px solid transparent}
.adv-card:hover{background:var(--c-off-white);border-color:var(--c-slate-100);transform:translateY(-4px);box-shadow:var(--shadow-md)}

.adv-card__icon{width:64px;height:64px;border-radius:var(--r-lg);margin:0 auto var(--sp-lg);display:flex;align-items:center;justify-content:center;transition:transform var(--dur-norm) var(--ease-spring)}
.adv-card:hover .adv-card__icon{transform:scale(1.08) rotate(-3deg)}
.adv-card__icon svg{width:28px;height:28px}

.adv-card:nth-child(1) .adv-card__icon{background:rgba(185,28,28,.08)}
.adv-card:nth-child(1) .adv-card__icon svg{fill:var(--c-primary)}
.adv-card:nth-child(2) .adv-card__icon{background:rgba(245,158,11,.08)}
.adv-card:nth-child(2) .adv-card__icon svg{fill:var(--c-amber)}
.adv-card:nth-child(3) .adv-card__icon{background:rgba(16,185,129,.08)}
.adv-card:nth-child(3) .adv-card__icon svg{fill:#10b981}
.adv-card:nth-child(4) .adv-card__icon{background:rgba(139,92,246,.08)}
.adv-card:nth-child(4) .adv-card__icon svg{fill:#8b5cf6}

.adv-card__title{font-size:1.125rem;font-weight:700;color:var(--c-slate-900);margin-bottom:var(--sp-sm)}
.adv-card__desc{font-size:.9375rem;color:var(--c-slate-500);line-height:1.7}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner{position:relative;padding:var(--sp-5xl) 0;background:linear-gradient(145deg,var(--c-navy) 0%,var(--c-deep-blue) 100%);overflow:hidden}
.cta-banner__shapes{position:absolute;inset:0;pointer-events:none}
.cta-banner__shape{position:absolute;border-radius:50%;opacity:.05;background:var(--c-sky)}
.cta-banner__shape--1{width:300px;height:300px;top:-80px;right:10%;animation:float-1 15s ease-in-out infinite}
.cta-banner__shape--2{width:200px;height:200px;bottom:-60px;left:5%;animation:float-2 20s ease-in-out infinite;background:var(--c-amber)}
.cta-banner__content{position:relative;z-index:2;text-align:center;max-width:650px;margin:0 auto}
.cta-banner__title{font-size:clamp(1.5rem,4vw,2.25rem);color:var(--c-white);font-weight:700;margin-bottom:var(--sp-md)}
.cta-banner__desc{font-size:1.0625rem;color:rgba(255,255,255,.6);margin-bottom:var(--sp-2xl);line-height:1.8}
.cta-banner__actions{display:flex;justify-content:center;gap:var(--sp-md);flex-wrap:wrap}
.cta-banner__phone{display:flex;align-items:center;gap:var(--sp-sm);margin-top:var(--sp-xl);justify-content:center;color:rgba(255,255,255,.45);font-size:.875rem}
.cta-banner__phone svg{width:16px;height:16px;fill:rgba(255,255,255,.45)}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--c-midnight);color:rgba(255,255,255,.55);padding:var(--sp-4xl) 0 0}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:var(--sp-3xl);padding-bottom:var(--sp-3xl);border-bottom:1px solid rgba(255,255,255,.06)}

.footer__brand-desc{font-size:.9375rem;line-height:1.8;margin-top:var(--sp-lg);max-width:300px}

.footer__heading{font-size:.875rem;font-weight:600;color:var(--c-white);margin-bottom:var(--sp-lg);letter-spacing:.04em}
.footer__links{display:flex;flex-direction:column;gap:var(--sp-sm)}
.footer__link{font-size:.9375rem;transition:color var(--dur-fast) ease;padding:var(--sp-xs) 0}
.footer__link:hover{color:var(--c-white)}

.footer__contact-item{display:flex;align-items:flex-start;gap:var(--sp-sm);margin-bottom:var(--sp-md);font-size:.9375rem;line-height:1.6}
.footer__contact-item svg{width:16px;height:16px;flex-shrink:0;fill:rgba(255,255,255,.4);margin-top:4px}

.footer__bottom{display:flex;align-items:center;justify-content:space-between;padding:var(--sp-xl) 0;font-size:.8125rem}
.footer__bottom-links{display:flex;gap:var(--sp-lg)}
.footer__bottom-link{transition:color var(--dur-fast) ease}
.footer__bottom-link:hover{color:var(--c-white)}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes float-1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-30px,20px) scale(1.05)}}
@keyframes float-2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(20px,-25px) scale(1.03)}}
@keyframes float-3{0%,100%{transform:translate(0,0)}50%{transform:translate(-15px,15px)}}
@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.7)}}
@keyframes scroll-line{0%{opacity:0;transform:scaleY(0);transform-origin:top}30%{opacity:1;transform:scaleY(1);transform-origin:top}60%{opacity:1;transform:scaleY(1);transform-origin:bottom}100%{opacity:0;transform:scaleY(0);transform-origin:bottom}}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1024px){
  .about__grid{grid-template-columns:1fr;gap:var(--sp-2xl)}
  .services__grid{grid-template-columns:1fr}
  .pricing__grid{grid-template-columns:1fr;max-width:420px;margin:0 auto}
  .pricing-card--featured{transform:none}
  .pricing-card--featured:hover{transform:translateY(-4px)}
  .advantages__grid{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1fr 1fr;gap:var(--sp-2xl)}
}

@media(max-width:768px){
  :root{--header-h:60px}
  .container{padding:0 var(--sp-lg)}
  .section-pad{padding:var(--sp-3xl) 0}

  .main-nav{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--c-midnight);flex-direction:column;align-items:flex-start;padding:calc(var(--header-h) + var(--sp-xl)) var(--sp-xl) var(--sp-xl);gap:var(--sp-lg);transition:right var(--dur-norm) var(--ease-out);box-shadow:-8px 0 32px rgba(0,0,0,.3);z-index:999}
  .main-nav.active{right:0}
  .main-nav__link{font-size:1.0625rem;color:rgba(255,255,255,.8)}
  .nav-toggle{display:flex;z-index:1001}
  .nav-overlay{display:none;position:fixed;inset:0;background:rgba(10,22,40,.6);z-index:998;backdrop-filter:blur(4px)}
  .nav-overlay.active{display:block}

  .hero__content{padding:var(--sp-2xl) var(--sp-lg)}
  .hero__features{flex-direction:column;align-items:center;gap:var(--sp-sm)}
  .hero__actions{flex-direction:column;align-items:center}
  .btn{width:100%;max-width:280px;justify-content:center}
  .hero__divider svg{height:40px}

  .about__stats{grid-template-columns:1fr 1fr}
  .advantages__grid{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:var(--sp-2xl)}
  .footer__bottom{flex-direction:column;gap:var(--sp-md);text-align:center}

  .service-card{padding:var(--sp-xl)}
  .pricing-card{padding:var(--sp-xl)}
}

@media(max-width:480px){
  .hero__title{font-size:1.875rem}
  .about__stats{grid-template-columns:1fr}
  .pricing__grid{max-width:100%}
}

/* ============================================================
   WECHAT FLOAT & MODAL
   ============================================================ */
.wechat-float{position:fixed;right:24px;bottom:24px;z-index:900;display:flex;flex-direction:column;gap:10px}
.wechat-float__btn{width:56px;height:56px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(0,0,0,.18);transition:all var(--dur-fast) ease;position:relative}
.wechat-float__btn--wechat{background:#07c160;color:var(--c-white)}
.wechat-float__btn--wechat:hover{background:#06ad56;transform:translateY(-2px);box-shadow:0 6px 28px rgba(7,193,96,.35)}
.wechat-float__btn--phone{background:var(--c-primary);color:var(--c-white)}
.wechat-float__btn--phone:hover{background:var(--c-primary-light);transform:translateY(-2px);box-shadow:0 6px 28px rgba(185,28,28,.35)}
.wechat-float__btn svg{width:28px;height:28px;fill:var(--c-white)}
.wechat-float__label{position:absolute;right:calc(100% + 10px);top:50%;transform:translateY(-50%);white-space:nowrap;background:var(--c-slate-900);color:var(--c-white);font-size:.75rem;padding:.3rem .6rem;border-radius:var(--r-sm);opacity:0;pointer-events:none;transition:opacity var(--dur-fast) ease}
.wechat-float__btn:hover .wechat-float__label{opacity:1}

.wechat-modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:1100;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.wechat-modal-overlay.active{display:flex}
.wechat-modal{background:var(--c-white);border-radius:var(--r-lg);padding:var(--sp-2xl);text-align:center;max-width:360px;width:90%;position:relative;box-shadow:var(--shadow-xl);animation:wechat-pop .3s var(--ease-out)}
.wechat-modal__close{position:absolute;top:.75rem;right:.75rem;width:32px;height:32px;border-radius:50%;border:none;background:var(--c-cool-gray);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background var(--dur-fast) ease;font-size:1.125rem;color:var(--c-slate-500)}
.wechat-modal__close:hover{background:var(--c-slate-100);color:var(--c-slate-900)}
.wechat-modal__icon{width:48px;height:48px;border-radius:50%;background:#07c160;display:flex;align-items:center;justify-content:center;margin:0 auto var(--sp-md)}
.wechat-modal__icon svg{width:26px;height:26px;fill:var(--c-white)}
.wechat-modal__title{font-size:1.125rem;font-weight:700;color:var(--c-slate-900);margin-bottom:var(--sp-xs)}
.wechat-modal__desc{font-size:.875rem;color:var(--c-slate-500);margin-bottom:var(--sp-lg)}
.wechat-modal__qr{width:240px;height:240px;object-fit:contain;border-radius:var(--r-md);border:1px solid var(--c-slate-100);margin:0 auto}
.wechat-modal__tip{font-size:.75rem;color:var(--c-slate-500);margin-top:var(--sp-md)}
@keyframes wechat-pop{from{opacity:0;transform:scale(.9) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.mm-contact-form{text-align:left;}
.mm-form-group{margin-bottom:var(--sp-md, 16px);}
.mm-form-input{
  width:100%;
  padding:.875rem 1.125rem;
  background:rgba(255,255,255,.08);
  border:1.5px solid rgba(255,255,255,.15);
  border-radius:var(--r-lg, 12px);
  color:var(--c-white, #fff);
  font-size:.95rem;
  font-family:inherit;
  outline:none;
  transition:border-color .2s,background .2s;
  box-sizing:border-box;
}
.mm-form-input::placeholder{color:rgba(255,255,255,.4);}
.mm-form-input:focus{border-color:var(--c-amber, #f59e0b);background:rgba(255,255,255,.12);}
.mm-form-textarea{resize:vertical;min-height:80px;line-height:1.6;}


/* ============================================================
   PATENT TRADE PAGE
   ============================================================ */
.patent-page{padding-top:var(--header-h,72px);background:#f5f5f5;min-height:100vh}

/* Breadcrumb */
.patent-breadcrumb{background:#fff;border-bottom:1px solid #e8e8e8;padding:10px 0;font-size:.85rem;color:#666}
.patent-breadcrumb .container{display:flex;align-items:center;gap:6px}
.patent-breadcrumb a{color:#b91c1c;text-decoration:none}
.patent-breadcrumb a:hover{text-decoration:underline}
.patent-breadcrumb__current{color:#333;font-weight:500}

/* Search */
.patent-filters{padding:20px 0 0}
.patent-search{display:flex;align-items:flex-start;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.patent-search__input-wrap{flex:1;min-width:300px;display:flex;background:#fff;border:2px solid #b91c1c;border-radius:8px;overflow:hidden;box-shadow:0 2px 8px rgba(185,28,28,.08)}
.patent-search__select{border:none;background:#fff;padding:12px 14px;font-size:.9rem;color:#333;border-right:1px solid #e8e8e8;outline:none;cursor:pointer;min-width:90px}
.patent-search__input{flex:1;border:none;padding:12px 16px;font-size:.95rem;outline:none;color:#333;min-width:0}
.patent-search__input::placeholder{color:#aaa}
.patent-search__btn{background:#b91c1c;color:#fff;border:none;padding:12px 28px;font-size:.95rem;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:6px;transition:background .2s}
.patent-search__btn:hover{background:#991b1b}
.patent-search__btn svg{fill:currentColor}
.patent-search__quick{display:flex;gap:10px;padding-top:4px}
.patent-search__quick-link{display:inline-block;padding:10px 20px;background:#b91c1c;color:#fff!important;border-radius:8px;font-size:.875rem;font-weight:500;text-decoration:none!important;transition:background .2s}
.patent-search__quick-link:hover{background:#991b1b}
.patent-search__quick-link--outline{background:#fff;color:#b91c1c!important;border:1px solid #b91c1c}
.patent-search__quick-link--outline:hover{background:#fef2f2}

/* Stats bar */
.patent-stats-bar{display:flex;align-items:center;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.patent-stats-bar__item{padding:6px 18px;border-radius:20px;font-size:.85rem;color:#fff}
.patent-stats-bar__item--primary{background:#b91c1c}
.patent-stats-bar__item--amber{background:#d97706}
.patent-stats-bar__item strong{font-size:1rem}
.patent-stats-bar__links{margin-left:auto;display:flex;gap:16px;font-size:.85rem;color:#666}
.patent-stats-bar__links strong{color:#333}

/* Filter group */
.patent-filter-group{background:#fff;border:1px solid #e8e8e8;border-radius:10px;padding:4px 20px;margin-bottom:20px}
.patent-filter-row{display:flex;align-items:flex-start;padding:11px 0;border-bottom:1px dashed #f0f0f0}
.patent-filter-row:last-child{border-bottom:none}
.patent-filter-row__label{flex-shrink:0;width:80px;font-size:.85rem;font-weight:600;color:#333;line-height:30px}
.patent-filter-row__options{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.patent-filter-row__options--wrap{flex-wrap:wrap}
.patent-filter-tag{display:inline-block;padding:4px 14px;font-size:.84rem;color:#555;background:transparent;border-radius:4px;cursor:pointer;text-decoration:none!important;transition:all .15s;border:1px solid transparent;line-height:1.6}
.patent-filter-tag:hover{color:#b91c1c;background:#fef2f2}
.patent-filter-tag.active{background:#b91c1c;color:#fff!important;border-color:#b91c1c}
.patent-filter-row__custom-price{display:inline-flex;align-items:center;gap:6px;margin-left:8px;font-size:.84rem;color:#666}
.patent-filter-row__custom-price input{width:70px;padding:4px 8px;border:1px solid #ddd;border-radius:4px;font-size:.84rem;outline:none;text-align:center}
.patent-filter-row__custom-price input:focus{border-color:#b91c1c}
.patent-filter-row__price-btn{padding:4px 14px;background:#fff;border:1px solid #b91c1c;color:#b91c1c;border-radius:4px;font-size:.84rem;cursor:pointer;transition:all .15s}
.patent-filter-row__price-btn:hover{background:#b91c1c;color:#fff}

/* Listing section */
.patent-listing{padding:0 0 40px}

/* Toolbar */
.patent-toolbar{display:flex;align-items:center;justify-content:space-between;padding:12px 0;flex-wrap:wrap;gap:10px}
.patent-toolbar__actions{display:flex;gap:8px}
.patent-toolbar__btn{display:inline-flex;align-items:center;gap:4px;padding:7px 16px;font-size:.84rem;border:1px solid #ddd;border-radius:6px;background:#fff;color:#555;cursor:pointer;transition:all .15s}
.patent-toolbar__btn:hover{border-color:#b91c1c;color:#b91c1c}
.patent-toolbar__btn--primary{background:#b91c1c;color:#fff;border-color:#b91c1c}
.patent-toolbar__btn--primary:hover{background:#991b1b}
.patent-toolbar__sort{display:flex;align-items:center;gap:8px}
.patent-toolbar__sort-label{font-size:.84rem;color:#999}
.patent-toolbar__sort-item{font-size:.84rem;color:#555;text-decoration:none!important;padding:4px 8px;border-radius:4px;display:inline-flex;align-items:center;gap:2px;transition:all .15s}
.patent-toolbar__sort-item:hover,.patent-toolbar__sort-item.active{color:#b91c1c;background:#fef2f2}
.patent-toolbar__page-info{font-size:.84rem;color:#999}
.patent-toolbar__page-info strong{color:#333}

/* Table */
.patent-table-wrap{background:#fff;border:1px solid #e8e8e8;border-radius:10px;overflow:hidden;overflow-x:auto;-webkit-overflow-scrolling:touch}
.patent-table{width:100%;border-collapse:collapse;font-size:.84rem;min-width:960px}
.patent-table thead{background:#fafafa}
.patent-table th{padding:13px 10px;text-align:left;font-weight:600;color:#333;border-bottom:2px solid #e8e8e8;white-space:nowrap;font-size:.8rem}
.patent-table__th--check{width:36px;text-align:center}
.patent-table td{padding:14px 10px;border-bottom:1px solid #f3f3f3;color:#333;vertical-align:top}
.patent-table tbody tr:hover{background:#fffbeb}
.patent-table input[type="checkbox"]{width:15px;height:15px;cursor:pointer;accent-color:#b91c1c}

/* Type badges */
.patent-type-badge{display:inline-block;padding:2px 10px;border-radius:3px;font-size:.78rem;font-weight:600;white-space:nowrap}
.patent-type-badge--invention{background:#fff0f0;color:#dc2626;border:1px solid #fca5a5}
.patent-type-badge--utility{background:#eff6ff;color:#2563eb;border:1px solid #93c5fd}
.patent-type-badge--design{background:#f0fdf4;color:#16a34a;border:1px solid #86efac}

/* Name cell */
.patent-table__name-cell{max-width:260px}
.patent-table__number{font-family:'SF Mono',Monaco,Consolas,monospace;font-size:.8rem;color:#b91c1c;font-weight:500;margin-bottom:2px}
.patent-table__name{font-size:.85rem;color:#333;line-height:1.4;font-weight:500}

/* Date cell */
.patent-table__date-cell{white-space:nowrap;color:#555}
.patent-table__date-sub{color:#999;font-size:.78rem;margin-top:2px}

/* Source cell */
.patent-table__source-cell{max-width:180px}
.patent-table__source-sub{color:#999;font-size:.78rem;margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Price */
.patent-table__price-cell{white-space:nowrap}
.patent-price{font-size:.82rem;line-height:1.5}
.patent-price--high{color:#dc2626;font-weight:600}
.patent-price--mid{color:#d97706}
.patent-price--low{color:#999}

/* Note */
.patent-table__note{font-size:.8rem;color:#888;max-width:120px;line-height:1.4}

/* Fee */
.patent-table__fee-cell{white-space:nowrap}
.patent-fee{font-size:.8rem;color:#333}
.patent-fee__amount{color:#b91c1c;font-weight:600;font-size:.85rem}
.patent-fee__date{color:#999;font-size:.78rem}

/* Action buttons */
.patent-table__actions{white-space:nowrap}
.patent-action-btn{display:inline-block;padding:5px 12px;font-size:.78rem;border-radius:4px;text-decoration:none!important;cursor:pointer;transition:all .15s;margin-bottom:4px;border:1px solid #ddd;color:#555!important;background:#fff}
.patent-action-btn:hover{border-color:#b91c1c;color:#b91c1c!important}
.patent-action-btn--primary{background:#b91c1c;color:#fff!important;border-color:#b91c1c}
.patent-action-btn--primary:hover{background:#991b1b}

/* Pagination */
.patent-pagination{display:flex;align-items:center;justify-content:space-between;padding:18px 0;flex-wrap:wrap;gap:12px}
.patent-pagination__info{font-size:.84rem;color:#999}
.patent-pagination__info strong{color:#333}
.patent-pagination__nav{display:flex;align-items:center;gap:4px}
.patent-pagination__btn,.patent-pagination__num{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:34px;padding:0 10px;background:#fff;border:1px solid #e8e8e8;border-radius:6px;color:#555;font-size:.84rem;text-decoration:none!important;cursor:pointer;transition:all .15s}
.patent-pagination__btn:hover:not(.disabled),.patent-pagination__num:hover{background:#fef2f2;border-color:#fca5a5;color:#b91c1c}
.patent-pagination__num.active{background:#b91c1c;color:#fff!important;border-color:#b91c1c}
.patent-pagination__btn.disabled{opacity:.4;cursor:not-allowed;pointer-events:none}
.patent-pagination__dots{color:#999;padding:0 4px}
.patent-pagination__size{display:flex;align-items:center;gap:6px;font-size:.84rem;color:#666}
.patent-pagination__size select{padding:4px 8px;border:1px solid #ddd;border-radius:4px;font-size:.84rem;outline:none;cursor:pointer}

/* Patent trade responsive */
@media(max-width:768px){
  .patent-search{flex-direction:column}
  .patent-search__input-wrap{min-width:0;width:100%}
  .patent-search__quick{width:100%}
  .patent-filter-row{flex-direction:column;gap:6px}
  .patent-filter-row__label{width:auto}
  .patent-stats-bar{flex-direction:column;align-items:flex-start}
  .patent-stats-bar__links{margin-left:0}
  .patent-toolbar{flex-direction:column;align-items:flex-start}
  .patent-pagination{flex-direction:column;align-items:center}
}

/* ============================================================
   PATENT TRADE — CLICKABLE NAME LINKS
   ============================================================ */
a.patent-table__number{display:block;color:var(--c-primary);cursor:pointer}
a.patent-table__name--link{display:block;color:var(--c-slate-900);transition:color var(--dur-fast) ease;cursor:pointer}
a.patent-table__number:hover{text-decoration:underline}
a.patent-table__name--link:hover{color:var(--c-primary);text-decoration:underline}

/* ============================================================
   PATENT DETAIL PAGE
   ============================================================ */
.patent-detail-page{background:var(--c-off-white);min-height:100vh}
.patent-detail{padding:var(--sp-xl) 0 var(--sp-4xl)}

/* Loading */
.patent-detail__loading{text-align:center;padding:var(--sp-5xl) 0;color:var(--c-slate-500)}
.patent-detail__spinner{width:40px;height:40px;border:3px solid var(--c-slate-100);border-top-color:var(--c-primary);border-radius:50%;margin:0 auto var(--sp-md);animation:detail-spin .8s linear infinite}
@keyframes detail-spin{to{transform:rotate(360deg)}}

/* Not found */
.patent-detail__not-found{text-align:center;padding:var(--sp-5xl) 0}
.patent-detail__not-found svg{margin-bottom:var(--sp-lg)}
.patent-detail__not-found h2{font-size:1.5rem;color:var(--c-slate-900);margin-bottom:var(--sp-sm)}
.patent-detail__not-found p{font-size:1rem;color:var(--c-slate-500);margin-bottom:var(--sp-xl)}

/* Card */
.patent-detail__card{background:var(--c-white);border-radius:var(--r-lg);padding:var(--sp-2xl);box-shadow:var(--shadow-sm);border:1px solid var(--c-slate-100);margin-bottom:var(--sp-xl)}

/* Card header */
.patent-detail__card-header{margin-bottom:var(--sp-xl);padding-bottom:var(--sp-xl);border-bottom:1px solid var(--c-slate-100)}
.patent-detail__title-area{display:flex;align-items:flex-start;gap:var(--sp-md);flex-wrap:wrap}
.patent-detail__title{font-size:clamp(1.25rem,3vw,1.75rem);color:var(--c-slate-900);line-height:1.4;flex:1;min-width:0}

/* Type badge */
.patent-detail__type-badge{display:inline-flex;padding:.375rem .875rem;border-radius:var(--r-full);font-size:.8125rem;font-weight:600;white-space:nowrap;flex-shrink:0;margin-top:.25rem}
.patent-detail__type-badge--invention{background:rgba(185,28,28,.08);color:var(--c-primary)}
.patent-detail__type-badge--utility{background:rgba(16,185,129,.08);color:#10b981}
.patent-detail__type-badge--design{background:rgba(139,92,246,.08);color:#8b5cf6}

/* Info grid */
.patent-detail__info-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:var(--sp-lg)}
.patent-detail__info-item{display:flex;flex-direction:column;gap:var(--sp-xs)}
.patent-detail__info-label{font-size:.8125rem;font-weight:500;color:var(--c-slate-500);text-transform:uppercase;letter-spacing:.04em}
.patent-detail__info-value{font-size:1rem;font-weight:600;color:var(--c-slate-900)}
.patent-detail__info-value--mono{font-family:var(--ff-mono);letter-spacing:.02em;color:var(--c-primary)}

/* Gaoqi tag */
.patent-detail__gaoqi-tag{display:inline-flex;align-items:center;gap:.375rem;padding:.25rem .75rem;border-radius:var(--r-full);font-size:.8125rem;font-weight:600}
.patent-detail__gaoqi-tag--yes{background:rgba(16,185,129,.08);color:#10b981}
.patent-detail__gaoqi-tag--no{background:rgba(100,116,139,.08);color:var(--c-slate-500)}

/* Section title */
.patent-detail__section-title{display:flex;align-items:center;gap:var(--sp-sm);font-size:1.125rem;font-weight:700;color:var(--c-slate-900);margin-bottom:var(--sp-lg)}

/* Description */
.patent-detail__desc{font-size:1rem;color:var(--c-slate-700);line-height:2}
.patent-detail__desc p{margin-bottom:var(--sp-md)}
.patent-detail__desc p:last-child{margin-bottom:0}
.patent-detail__desc strong{color:var(--c-slate-900);font-weight:600}

/* CTA card */
.patent-detail__cta-card{background:linear-gradient(145deg,var(--c-navy) 0%,var(--c-deep-blue) 100%);border-radius:var(--r-lg);padding:var(--sp-2xl);display:flex;align-items:center;justify-content:space-between;gap:var(--sp-xl);flex-wrap:wrap}
.patent-detail__cta-info h3{font-size:1.25rem;font-weight:700;color:var(--c-white);margin-bottom:var(--sp-xs)}
.patent-detail__cta-info p{font-size:.9375rem;color:rgba(255,255,255,.6)}
.patent-detail__cta-actions{display:flex;gap:var(--sp-md);flex-wrap:wrap}

/* Buttons */
.patent-detail__btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-sm);font-family:var(--ff-display);font-weight:600;border:none;cursor:pointer;border-radius:var(--r-full);transition:all var(--dur-fast) var(--ease-out);font-size:.9375rem;line-height:1;padding:.75rem 1.5rem;white-space:nowrap}
.patent-detail__btn--primary{background:var(--c-amber);color:var(--c-midnight);box-shadow:var(--shadow-amber)}
.patent-detail__btn--primary:hover{background:var(--c-amber-light);transform:translateY(-2px);box-shadow:0 12px 40px rgba(245,158,11,.35)}
.patent-detail__btn--outline{background:transparent;color:var(--c-white);border:1.5px solid rgba(255,255,255,.25);padding:calc(.75rem - 1px) calc(1.5rem - 1px)}
.patent-detail__btn--outline:hover{border-color:rgba(255,255,255,.5);background:rgba(255,255,255,.05);transform:translateY(-2px)}

/* Responsive */
@media(max-width:768px){
  .patent-detail__card{padding:var(--sp-xl)}
  .patent-detail__info-grid{grid-template-columns:1fr 1fr}
  .patent-detail__cta-card{flex-direction:column;text-align:center}
  .patent-detail__cta-actions{justify-content:center;width:100%}
  .patent-detail__btn{width:100%;max-width:280px}
}
@media(max-width:480px){
  .patent-detail__info-grid{grid-template-columns:1fr}
  .patent-detail__title-area{flex-direction:column}
}

/* ============================================================
   NEWS / 行业资讯
   ============================================================ */

/* --- Hero --- */
.news-hero{
  padding:calc(var(--header-h) + var(--sp-3xl)) 0 var(--sp-2xl);
  background:linear-gradient(135deg,var(--c-midnight) 0%,var(--c-navy) 50%,var(--c-deep-blue) 100%);
  color:#fff;text-align:center;
}
.news-hero__title{
  font-family:var(--ff-display);font-size:clamp(1.75rem,4vw,2.5rem);
  font-weight:800;margin:.5rem 0 .75rem;
}
.news-hero__desc{
  color:rgba(255,255,255,.65);font-size:1.05rem;max-width:540px;margin:0 auto;
}

/* --- Grid --- */
.news-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-xl);
}
@media(max-width:960px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.news-grid{grid-template-columns:1fr}}

/* --- Card --- */
.news-card{
  background:#fff;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;
}
.news-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-md);
}
.news-card__thumb{
  display:block;height:200px;overflow:hidden;background:var(--c-cool-gray);
  position:relative;
}
.news-card__thumb--placeholder{
  display:flex;align-items:center;justify-content:center;
}
.news-card__img{
  width:100%;height:100%;object-fit:cover;transition:transform .3s;
}
.news-card:hover .news-card__img{transform:scale(1.05)}
.news-card__body{padding:var(--sp-lg)}

.news-card__meta{
  display:flex;align-items:center;gap:var(--sp-sm);
  font-size:.8125rem;color:var(--c-slate-500);margin-bottom:var(--sp-sm);
}
.news-card__date{display:flex;align-items:center;gap:4px}
.news-card__cat{
  background:rgba(185,28,28,.08);color:var(--c-primary);
  padding:2px 8px;border-radius:var(--r-sm);font-size:.75rem;font-weight:600;
}

.news-card__title{font-size:1.05rem;font-weight:700;line-height:1.5;margin-bottom:var(--sp-sm)}
.news-card__title a{color:var(--c-slate-900);text-decoration:none;transition:color .2s}
.news-card__title a:hover{color:var(--c-primary)}

.news-card__excerpt{
  font-size:.875rem;color:var(--c-slate-500);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:var(--sp-md);
}

.news-card__readmore{
  display:inline-flex;align-items:center;gap:4px;
  font-size:.8125rem;font-weight:600;color:var(--c-primary);text-decoration:none;
  transition:gap .2s;
}
.news-card__readmore:hover{gap:8px}

/* --- Pagination --- */
.news-pagination{margin-top:var(--sp-2xl);display:flex;justify-content:center}
.news-pagination ul{
  list-style:none;display:flex;gap:var(--sp-xs);padding:0;margin:0;flex-wrap:wrap;justify-content:center;
}
.news-pagination li{display:inline-block}
.news-pagination a,.news-pagination .current{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:40px;padding:0 var(--sp-sm);
  border-radius:var(--r-md);font-size:.875rem;font-weight:600;
  text-decoration:none;transition:all .2s;
}
.news-pagination a{
  color:var(--c-slate-700);background:var(--c-cool-gray);
}
.news-pagination a:hover{
  background:var(--c-primary);color:#fff;
}
.news-pagination .current{
  background:var(--c-primary);color:#fff;
}

/* --- Empty --- */
.news-empty{
  text-align:center;padding:var(--sp-4xl) 0;
}
.news-empty h2{font-size:1.25rem;color:var(--c-slate-700);margin:.75rem 0 .5rem}
.news-empty p{color:var(--c-slate-500);margin-bottom:var(--sp-xl)}

/* --- Article Detail --- */
.article-detail{
  max-width:800px;margin:0 auto;
}
.article-detail__header{margin-bottom:var(--sp-xl)}
.article-detail__title{
  font-family:var(--ff-display);font-size:clamp(1.5rem,3.5vw,2rem);
  font-weight:800;line-height:1.4;color:var(--c-slate-900);
}
.article-detail__meta{
  display:flex;align-items:center;gap:var(--sp-md);
  margin-top:var(--sp-md);font-size:.875rem;color:var(--c-slate-500);
}
.article-detail__meta time{display:flex;align-items:center;gap:4px}
.article-detail__cat{
  background:rgba(185,28,28,.08);color:var(--c-primary);
  padding:2px 10px;border-radius:var(--r-sm);font-size:.8125rem;font-weight:600;
}
.article-detail__featured{
  margin-bottom:var(--sp-xl);border-radius:var(--r-lg);overflow:hidden;
}
.article-detail__featured-img{width:100%;height:auto;display:block}
.article-detail__content{
  font-size:1.0625rem;line-height:1.9;color:var(--c-slate-700);
}
.article-detail__content h2{font-size:1.375rem;font-weight:700;color:var(--c-slate-900);margin:var(--sp-xl) 0 var(--sp-md)}
.article-detail__content h3{font-size:1.125rem;font-weight:700;color:var(--c-slate-900);margin:var(--sp-lg) 0 var(--sp-sm)}
.article-detail__content p{margin-bottom:var(--sp-md)}
.article-detail__content img{max-width:100%;height:auto;border-radius:var(--r-md);margin:var(--sp-md) 0}
.article-detail__content blockquote{
  border-left:4px solid var(--c-primary);padding:var(--sp-md) var(--sp-lg);
  background:var(--c-cool-gray);border-radius:0 var(--r-md) var(--r-md) 0;
  margin:var(--sp-lg) 0;color:var(--c-slate-700);font-style:italic;
}
.article-detail__content ul,.article-detail__content ol{
  padding-left:var(--sp-xl);margin-bottom:var(--sp-md);
}
.article-detail__content li{margin-bottom:var(--sp-xs)}
.article-detail__footer{
  margin-top:var(--sp-2xl);padding-top:var(--sp-xl);
  border-top:1px solid var(--c-slate-100);
}